diff --git a/src/bench/coin_selection.cpp b/src/bench/coin_selection.cpp
index ec6e7a2c1..0e86568e5 100644
--- a/src/bench/coin_selection.cpp
+++ b/src/bench/coin_selection.cpp
@@ -39,7 +39,7 @@ static void CoinSelection(benchmark::State& state)
 
     while (state.KeepRunning()) {
         // Empty wallet.
-        BOOST_FOREACH (COutput output, vCoins)
+        for (COutput output : vCoins)
             delete output.tx;
         vCoins.clear();
 
diff --git a/src/bloom.cpp b/src/bloom.cpp
index 3f7a49c9f..1a58b8714 100644
--- a/src/bloom.cpp
+++ b/src/bloom.cpp
@@ -272,7 +272,7 @@ bool CBloomFilter::IsRelevantAndUpdate(const CTransaction& tx)
     if (fFound)
         return true;
 
-    BOOST_FOREACH(const CTxIn& txin, tx.vin)
+    for (const CTxIn& txin : tx.vin)
     {
         // Match if the filter contains an outpoint tx spends
         if (contains(txin.prevout))
diff --git a/src/checkqueue.h b/src/checkqueue.h
index 08017ff79..d7b7b836d 100644
--- a/src/checkqueue.h
+++ b/src/checkqueue.h
@@ -120,7 +120,7 @@ private:
                 fOk = fAllOk;
             }
             // execute work
-            BOOST_FOREACH (T& check, vChecks)
+            for (T& check : vChecks)
                 if (fOk)
                     fOk = check();
             vChecks.clear();
@@ -150,7 +150,7 @@ public:
     void Add(std::vector<T>& vChecks)
     {
         boost::unique_lock<boost::mutex> lock(mutex);
-        BOOST_FOREACH (T& check, vChecks) {
+        for (T& check : vChecks) {
             queue.push_back(T());
             check.swap(queue.back());
         }
diff --git a/src/core_write.cpp b/src/core_write.cpp
index 702f9b413..edb60b55d 100644
--- a/src/core_write.cpp
+++ b/src/core_write.cpp
@@ -146,7 +146,7 @@ void ScriptPubKeyToUniv(const CScript& scriptPubKey,
     out.pushKV("type", GetTxnOutputType(type));
 
     UniValue a(UniValue::VARR);
-    BOOST_FOREACH(const CTxDestination& addr, addresses)
+    for (const CTxDestination& addr : addresses)
         a.push_back(CBitcoinAddress(addr).ToString());
     out.pushKV("addresses", a);
 }
@@ -160,7 +160,7 @@ void TxToUniv(const CTransaction& tx, const uint256& hashBlock, UniValue& entry,
     entry.pushKV("locktime", (int64_t)tx.nLockTime);
 
     UniValue vin(UniValue::VARR);
-    BOOST_FOREACH(const CTxIn& txin, tx.vin) {
+    for (const CTxIn& txin : tx.vin) {
         UniValue in(UniValue::VOBJ);
         if (tx.IsCoinBase())
             in.pushKV("coinbase", HexStr(txin.scriptSig.begin(), txin.scriptSig.end()));
diff --git a/src/dash-tx.cpp b/src/dash-tx.cpp
index ee2975416..420a39a4a 100644
--- a/src/dash-tx.cpp
+++ b/src/dash-tx.cpp
@@ -585,7 +585,7 @@ static void MutateTxSign(CMutableTransaction& tx, const std::string& flagStr)
             SignSignature(keystore, prevPubKey, mergedTx, i, nHashType);
 
         // ... and merge in other signatures:
-        BOOST_FOREACH(const CTransaction& txv, txVariants) {
+        for (const CTransaction& txv : txVariants) {
             txin.scriptSig = CombineSignatures(prevPubKey, mergedTx, i, txin.scriptSig, txv.vin[i].scriptSig);
         }
         if (!VerifyScript(txin.scriptSig, prevPubKey, STANDARD_SCRIPT_VERIFY_FLAGS, MutableTransactionSignatureChecker(&mergedTx, i)))
diff --git a/src/httprpc.cpp b/src/httprpc.cpp
index 28a6d9867..e0b943045 100644
--- a/src/httprpc.cpp
+++ b/src/httprpc.cpp
@@ -94,7 +94,7 @@ static bool multiUserAuthorized(std::string strUserPass)
 
     if (gArgs.IsArgSet("-rpcauth")) {
         //Search for multi-user login/pass "rpcauth" from config
-        BOOST_FOREACH(std::string strRPCAuth, gArgs.GetArgs("-rpcauth"))
+        for (std::string strRPCAuth : gArgs.GetArgs("-rpcauth"))
         {
             std::vector<std::string> vFields;
             boost::split(vFields, strRPCAuth, boost::is_any_of(":$"));
diff --git a/src/init.cpp b/src/init.cpp
index 242be4063..f30e91b7e 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -746,7 +746,7 @@ void CleanupBlockRevFiles()
     // keeping a separate counter.  Once we hit a gap (or if 0 doesn't exist)
     // start removing block files.
     int nContigCounter = 0;
-    BOOST_FOREACH(const PAIRTYPE(std::string, fs::path)& item, mapBlockFiles) {
+    for (const PAIRTYPE(std::string, fs::path)& item : mapBlockFiles) {
         if (atoi(item.first) == nContigCounter) {
             nContigCounter++;
             continue;
@@ -799,7 +799,7 @@ void ThreadImport(std::vector<fs::path> vImportFiles)
     }
 
     // -loadblock=
-    BOOST_FOREACH(const fs::path& path, vImportFiles) {
+    for (const fs::path& path : vImportFiles) {
         FILE *file = fsbridge::fopen(path, "rb");
         if (file) {
             LogPrintf("Importing blocks file %s...\n", path.string());
@@ -1587,7 +1587,7 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler)
     }
 
     if (gArgs.IsArgSet("-uacomment")) {
-        BOOST_FOREACH(std::string cmt, gArgs.GetArgs("-uacomment"))
+        for (std::string cmt : gArgs.GetArgs("-uacomment"))
         {
             if (cmt != SanitizeString(cmt, SAFE_CHARS_UA_COMMENT))
                 return InitError(strprintf(_("User Agent comment (%s) contains unsafe characters."), cmt));
@@ -1602,7 +1602,7 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler)
 
     if (gArgs.IsArgSet("-onlynet")) {
         std::set<enum Network> nets;
-        BOOST_FOREACH(const std::string& snet, gArgs.GetArgs("-onlynet")) {
+        for (const std::string& snet : gArgs.GetArgs("-onlynet")) {
             enum Network net = ParseNetwork(snet);
             if (net == NET_UNROUTABLE)
                 return InitError(strprintf(_("Unknown network specified in -onlynet: '%s'"), snet));
@@ -1616,7 +1616,7 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler)
     }
 
     if (gArgs.IsArgSet("-whitelist")) {
-        BOOST_FOREACH(const std::string& net, gArgs.GetArgs("-whitelist")) {
+        for (const std::string& net : gArgs.GetArgs("-whitelist")) {
             CSubNet subnet;
             LookupSubNet(net.c_str(), subnet);
             if (!subnet.IsValid())
@@ -1678,7 +1678,7 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler)
     if (fListen) {
         bool fBound = false;
         if (gArgs.IsArgSet("-bind")) {
-            BOOST_FOREACH(const std::string& strBind, gArgs.GetArgs("-bind")) {
+            for (const std::string& strBind : gArgs.GetArgs("-bind")) {
                 CService addrBind;
                 if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false))
                     return InitError(ResolveErrMsg("bind", strBind));
@@ -1686,7 +1686,7 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler)
             }
         }
         if (gArgs.IsArgSet("-whitebind")) {
-            BOOST_FOREACH(const std::string& strBind, gArgs.GetArgs("-whitebind")) {
+            for (const std::string& strBind : gArgs.GetArgs("-whitebind")) {
                 CService addrBind;
                 if (!Lookup(strBind.c_str(), addrBind, 0, false))
                     return InitError(ResolveErrMsg("whitebind", strBind));
@@ -1706,7 +1706,7 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler)
     }
 
     if (gArgs.IsArgSet("-externalip")) {
-        BOOST_FOREACH(const std::string& strAddr, gArgs.GetArgs("-externalip")) {
+        for (const std::string& strAddr : gArgs.GetArgs("-externalip")) {
             CService addrLocal;
             if (Lookup(strAddr.c_str(), addrLocal, GetListenPort(), fNameLookup) && addrLocal.IsValid())
                 AddLocal(addrLocal, LOCAL_MANUAL);
@@ -2094,7 +2094,7 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler)
     std::vector<fs::path> vImportFiles;
     if (gArgs.IsArgSet("-loadblock"))
     {
-        BOOST_FOREACH(const std::string& strFile, gArgs.GetArgs("-loadblock"))
+        for (const std::string& strFile : gArgs.GetArgs("-loadblock"))
             vImportFiles.push_back(strFile);
     }
 
diff --git a/src/miner.cpp b/src/miner.cpp
index 79218bc62..261052d77 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -275,7 +275,7 @@ bool BlockAssembler::TestPackage(uint64_t packageSize, unsigned int packageSigOp
 // - safe TXs in regard to ChainLocks
 bool BlockAssembler::TestPackageTransactions(const CTxMemPool::setEntries& package)
 {
-    BOOST_FOREACH (const CTxMemPool::txiter it, package) {
+    for (const CTxMemPool::txiter it : package) {
         if (!IsFinalTx(it->GetTx(), nHeight, nLockTimeCutoff))
             return false;
         if (!llmq::chainLocksHandler->IsTxSafeForMining(it->GetTx().GetHash())) {
@@ -308,11 +308,11 @@ int BlockAssembler::UpdatePackagesForAdded(const CTxMemPool::setEntries& already
         indexed_modified_transaction_set &mapModifiedTx)
 {
     int nDescendantsUpdated = 0;
-    BOOST_FOREACH(const CTxMemPool::txiter it, alreadyAdded) {
+    for (const CTxMemPool::txiter it : alreadyAdded) {
         CTxMemPool::setEntries descendants;
         mempool.CalculateDescendants(it, descendants);
         // Insert all descendants (not yet in block) into the modified set
-        BOOST_FOREACH(CTxMemPool::txiter desc, descendants) {
+        for (CTxMemPool::txiter desc : descendants) {
             if (alreadyAdded.count(desc))
                 continue;
             ++nDescendantsUpdated;
diff --git a/src/net.cpp b/src/net.cpp
index 8a8e94a17..ee12a2686 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -305,7 +305,7 @@ bool IsReachable(const CNetAddr& addr)
 CNode* CConnman::FindNode(const CNetAddr& ip)
 {
     LOCK(cs_vNodes);
-    BOOST_FOREACH(CNode* pnode, vNodes)
+    for (CNode* pnode : vNodes)
         if ((CNetAddr)pnode->addr == ip)
             return (pnode);
     return NULL;
@@ -314,7 +314,7 @@ CNode* CConnman::FindNode(const CNetAddr& ip)
 CNode* CConnman::FindNode(const CSubNet& subNet)
 {
     LOCK(cs_vNodes);
-    BOOST_FOREACH(CNode* pnode, vNodes)
+    for (CNode* pnode : vNodes)
     if (subNet.Match((CNetAddr)pnode->addr))
         return (pnode);
     return NULL;
@@ -323,7 +323,7 @@ CNode* CConnman::FindNode(const CSubNet& subNet)
 CNode* CConnman::FindNode(const std::string& addrName)
 {
     LOCK(cs_vNodes);
-    BOOST_FOREACH(CNode* pnode, vNodes) {
+    for (CNode* pnode : vNodes) {
         if (pnode->GetAddrName() == addrName) {
             return (pnode);
         }
@@ -334,7 +334,7 @@ CNode* CConnman::FindNode(const std::string& addrName)
 CNode* CConnman::FindNode(const CService& addr)
 {
     LOCK(cs_vNodes);
-    BOOST_FOREACH(CNode* pnode, vNodes)
+    for (CNode* pnode : vNodes)
         if((CService)pnode->addr == addr)
             return (pnode);
     return NULL;
@@ -343,7 +343,7 @@ CNode* CConnman::FindNode(const CService& addr)
 bool CConnman::CheckIncomingNonce(uint64_t nonce)
 {
     LOCK(cs_vNodes);
-    BOOST_FOREACH(CNode* pnode, vNodes) {
+    for (CNode* pnode : vNodes) {
         if (!pnode->fSuccessfullyConnected && !pnode->fInbound && pnode->GetLocalNonce() == nonce)
             return false;
     }
@@ -537,7 +537,7 @@ void CConnman::Ban(const CSubNet& subNet, const BanReason &banReason, int64_t ba
         clientInterface->BannedListChanged();
     {
         LOCK(cs_vNodes);
-        BOOST_FOREACH(CNode* pnode, vNodes) {
+        for (CNode* pnode : vNodes) {
             if (subNet.Match((CNetAddr)pnode->addr))
                 pnode->fDisconnect = true;
         }
@@ -615,7 +615,7 @@ void CConnman::SetBannedSetDirty(bool dirty)
 
 bool CConnman::IsWhitelistedRange(const CNetAddr &addr) {
     LOCK(cs_vWhitelistedRange);
-    BOOST_FOREACH(const CSubNet& subnet, vWhitelistedRange) {
+    for (const CSubNet& subnet : vWhitelistedRange) {
         if (subnet.Match(addr))
             return true;
     }
@@ -986,7 +986,7 @@ bool CConnman::AttemptToEvictConnection()
     {
         LOCK(cs_vNodes);
 
-        BOOST_FOREACH(CNode *node, vNodes) {
+        for (CNode *node : vNodes) {
             if (node->fWhitelisted)
                 continue;
             if (!node->fInbound)
@@ -1066,7 +1066,7 @@ bool CConnman::AttemptToEvictConnection()
     unsigned int nMostConnections = 0;
     int64_t nMostConnectionsTime = 0;
     std::map<uint64_t, std::vector<NodeEvictionCandidate> > mapNetGroupNodes;
-    BOOST_FOREACH(const NodeEvictionCandidate &node, vEvictionCandidates) {
+    for (const NodeEvictionCandidate &node : vEvictionCandidates) {
         mapNetGroupNodes[node.nKeyedNetGroup].push_back(node);
         int64_t grouptime = mapNetGroupNodes[node.nKeyedNetGroup][0].nTimeConnected;
         size_t groupsize = mapNetGroupNodes[node.nKeyedNetGroup].size();
@@ -1111,7 +1111,7 @@ void CConnman::AcceptConnection(const ListenSocket& hListenSocket) {
     bool whitelisted = hListenSocket.whitelisted || IsWhitelistedRange(addr);
     {
         LOCK(cs_vNodes);
-        BOOST_FOREACH(CNode* pnode, vNodes) {
+        for (CNode* pnode : vNodes) {
             if (pnode->fInbound) {
                 nInbound++;
                 if (!pnode->verifiedProRegTxHash.IsNull()) {
@@ -1206,7 +1206,7 @@ void CConnman::ThreadSocketHandler()
             LOCK(cs_vNodes);
             // Disconnect unused nodes
             std::vector<CNode*> vNodesCopy = vNodes;
-            BOOST_FOREACH(CNode* pnode, vNodesCopy)
+            for (CNode* pnode : vNodesCopy)
             {
                 if (pnode->fDisconnect)
                 {
@@ -1232,7 +1232,7 @@ void CConnman::ThreadSocketHandler()
         {
             // Delete disconnected nodes
             std::list<CNode*> vNodesDisconnectedCopy = vNodesDisconnected;
-            BOOST_FOREACH(CNode* pnode, vNodesDisconnectedCopy)
+            for (CNode* pnode : vNodesDisconnectedCopy)
             {
                 // wait until threads are done using it
                 if (pnode->GetRefCount() <= 0) {
@@ -1292,7 +1292,7 @@ void CConnman::ThreadSocketHandler()
         have_fds = true;
 #endif
 
-        BOOST_FOREACH(const ListenSocket& hListenSocket, vhListenSocket) {
+        for (const ListenSocket& hListenSocket : vhListenSocket) {
             FD_SET(hListenSocket.socket, &fdsetRecv);
             hSocketMax = std::max(hSocketMax, hListenSocket.socket);
             have_fds = true;
@@ -1300,7 +1300,7 @@ void CConnman::ThreadSocketHandler()
 
         {
             LOCK(cs_vNodes);
-            BOOST_FOREACH(CNode* pnode, vNodes)
+            for (CNode* pnode : vNodes)
             {
                 // Implement the following logic:
                 // * If there is data to send, select() for sending data. As this only
@@ -1377,7 +1377,7 @@ void CConnman::ThreadSocketHandler()
         //
         // Accept new connections
         //
-        BOOST_FOREACH(const ListenSocket& hListenSocket, vhListenSocket)
+        for (const ListenSocket& hListenSocket : vhListenSocket)
         {
             if (hListenSocket.socket != INVALID_SOCKET && FD_ISSET(hListenSocket.socket, &fdsetRecv))
             {
@@ -1389,7 +1389,7 @@ void CConnman::ThreadSocketHandler()
         // Service each socket
         //
         std::vector<CNode*> vNodesCopy = CopyNodeVector();
-        BOOST_FOREACH(CNode* pnode, vNodesCopy)
+        for (CNode* pnode : vNodesCopy)
         {
             if (interruptNet)
                 return;
@@ -1703,7 +1703,7 @@ void CConnman::ThreadDNSAddressSeed()
 
     LogPrintf("Loading addresses from DNS seeds (could take a while)\n");
 
-    BOOST_FOREACH(const CDNSSeedData &seed, vSeeds) {
+    for (const CDNSSeedData &seed : vSeeds) {
         if (interruptNet) {
             return;
         }
@@ -1715,7 +1715,7 @@ void CConnman::ThreadDNSAddressSeed()
             ServiceFlags requiredServiceBits = nRelevantServices;
             if (LookupHost(GetDNSHost(seed, &requiredServiceBits).c_str(), vIPs, 0, true))
             {
-                BOOST_FOREACH(const CNetAddr& ip, vIPs)
+                for (const CNetAddr& ip : vIPs)
                 {
                     int nOneDay = 24*3600;
                     CAddress addr = CAddress(CService(ip, Params().GetDefaultPort()), requiredServiceBits);
@@ -1796,7 +1796,7 @@ void CConnman::ThreadOpenConnections()
         for (int64_t nLoop = 0;; nLoop++)
         {
             ProcessOneShot();
-            BOOST_FOREACH(const std::string& strAddr, gArgs.GetArgs("-connect"))
+            for (const std::string& strAddr : gArgs.GetArgs("-connect"))
             {
                 CAddress addr(CService(), NODE_NONE);
                 OpenNetworkConnection(addr, false, NULL, strAddr.c_str());
@@ -1852,7 +1852,7 @@ void CConnman::ThreadOpenConnections()
         std::set<std::vector<unsigned char> > setConnected;
         if (!Params().AllowMultipleAddressesFromGroup()) {
             LOCK(cs_vNodes);
-            BOOST_FOREACH(CNode* pnode, vNodes) {
+            for (CNode* pnode : vNodes) {
                 if (!pnode->fInbound && !pnode->fAddnode && !pnode->fMasternode) {
 
                     // Count the peers that have all relevant services
@@ -1978,7 +1978,7 @@ std::vector<AddedNodeInfo> CConnman::GetAddedNodeInfo()
     {
         LOCK(cs_vAddedNodes);
         ret.reserve(vAddedNodes.size());
-        BOOST_FOREACH(const std::string& strAddNode, vAddedNodes)
+        for (const std::string& strAddNode : vAddedNodes)
             lAddresses.push_back(strAddNode);
     }
 
@@ -1999,7 +1999,7 @@ std::vector<AddedNodeInfo> CConnman::GetAddedNodeInfo()
         }
     }
 
-    BOOST_FOREACH(const std::string& strAddNode, lAddresses) {
+    for (const std::string& strAddNode : lAddresses) {
         CService service(LookupNumeric(strAddNode.c_str(), Params().GetDefaultPort()));
         if (service.IsValid()) {
             // strAddNode is an IP:port
@@ -2203,7 +2203,7 @@ void CConnman::ThreadMessageHandler()
 
         bool fMoreWork = false;
 
-        BOOST_FOREACH(CNode* pnode, vNodesCopy)
+        for (CNode* pnode : vNodesCopy)
         {
             if (pnode->fDisconnect)
                 continue;
@@ -2349,7 +2349,7 @@ void Discover(boost::thread_group& threadGroup)
         std::vector<CNetAddr> vaddr;
         if (LookupHost(pszHostName, vaddr, 0, true))
         {
-            BOOST_FOREACH (const CNetAddr &addr, vaddr)
+            for (const CNetAddr &addr : vaddr)
             {
                 if (AddLocal(addr, LOCAL_IF))
                     LogPrintf("%s: %s - %s\n", __func__, pszHostName, addr.ToString());
@@ -2396,7 +2396,7 @@ void CConnman::SetNetworkActive(bool active)
 
         LOCK(cs_vNodes);
         // Close sockets to all nodes
-        BOOST_FOREACH(CNode* pnode, vNodes) {
+        for (CNode* pnode : vNodes) {
             pnode->CloseSocketDisconnect();
         }
     } else {
@@ -2642,18 +2642,18 @@ void CConnman::Stop()
     }
 
     // Close sockets
-    BOOST_FOREACH(CNode* pnode, vNodes)
+    for (CNode* pnode : vNodes)
         pnode->CloseSocketDisconnect();
-    BOOST_FOREACH(ListenSocket& hListenSocket, vhListenSocket)
+    for (ListenSocket& hListenSocket : vhListenSocket)
         if (hListenSocket.socket != INVALID_SOCKET)
             if (!CloseSocket(hListenSocket.socket))
                 LogPrintf("CloseSocket(hListenSocket) failed with error %s\n", NetworkErrorString(WSAGetLastError()));
 
     // clean up some globals (to help leak detection)
-    BOOST_FOREACH(CNode *pnode, vNodes) {
+    for (CNode *pnode : vNodes) {
         DeleteNode(pnode);
     }
-    BOOST_FOREACH(CNode *pnode, vNodesDisconnected) {
+    for (CNode *pnode : vNodesDisconnected) {
         DeleteNode(pnode);
     }
     vNodes.clear();
@@ -2894,7 +2894,7 @@ void CConnman::RelayTransaction(const CTransaction& tx)
     }
     CInv inv(nInv, hash);
     LOCK(cs_vNodes);
-    BOOST_FOREACH(CNode* pnode, vNodes)
+    for (CNode* pnode : vNodes)
     {
         pnode->PushInventory(inv);
     }
@@ -3135,7 +3135,7 @@ CNode::CNode(NodeId idIn, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn
     fPauseSend = false;
     nProcessQueueSize = 0;
 
-    BOOST_FOREACH(const std::string &msg, getAllNetMessageTypes())
+    for (const std::string &msg : getAllNetMessageTypes())
         mapRecvBytesPerMsgCmd[msg] = 0;
     mapRecvBytesPerMsgCmd[NET_MESSAGE_COMMAND_OTHER] = 0;
 
diff --git a/src/net_processing.cpp b/src/net_processing.cpp
index da1c2232c..2488178ac 100644
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -323,7 +323,7 @@ void FinalizeNode(NodeId nodeid, bool& fUpdateConnectionTime) {
         fUpdateConnectionTime = true;
     }
 
-    BOOST_FOREACH(const QueuedBlock& entry, state->vBlocksInFlight) {
+    for (const QueuedBlock& entry : state->vBlocksInFlight) {
         mapBlocksInFlight.erase(entry.hash);
     }
     EraseOrphansFor(nodeid);
@@ -558,7 +558,7 @@ void FindNextBlocksToDownload(NodeId nodeid, unsigned int count, std::vector<con
         // are not yet downloaded and not in flight to vBlocks. In the mean time, update
         // pindexLastCommonBlock as long as all ancestors are already downloaded, or if it's
         // already part of our chain (and therefore don't need it even if pruned).
-        BOOST_FOREACH(const CBlockIndex* pindex, vToFetch) {
+        for (const CBlockIndex* pindex : vToFetch) {
             if (!pindex->IsValid(BLOCK_VALID_TREE)) {
                 // We consider the chain that this peer is on invalid.
                 return;
@@ -598,7 +598,7 @@ bool GetNodeStateStats(NodeId nodeid, CNodeStateStats &stats) {
     stats.nMisbehavior = state->nMisbehavior;
     stats.nSyncHeight = state->pindexBestKnownBlock ? state->pindexBestKnownBlock->nHeight : -1;
     stats.nCommonHeight = state->pindexLastCommonBlock ? state->pindexLastCommonBlock->nHeight : -1;
-    BOOST_FOREACH(const QueuedBlock& queue, state->vBlocksInFlight) {
+    for (const QueuedBlock& queue : state->vBlocksInFlight) {
         if (queue.pindex)
             stats.vHeightInFlight.push_back(queue.pindex->nHeight);
     }
@@ -659,7 +659,7 @@ bool AddOrphanTx(const CTransactionRef& tx, NodeId peer) EXCLUSIVE_LOCKS_REQUIRE
 
     auto ret = mapOrphanTransactions.emplace(hash, COrphanTx{tx, peer, GetTime() + ORPHAN_TX_EXPIRE_TIME});
     assert(ret.second);
-    BOOST_FOREACH(const CTxIn& txin, tx->vin) {
+    for (const CTxIn& txin : tx->vin) {
         mapOrphanTransactionsByPrev[txin.prevout].insert(ret.first);
     }
 
@@ -675,7 +675,7 @@ int static EraseOrphanTx(uint256 hash) EXCLUSIVE_LOCKS_REQUIRED(g_cs_orphans)
     std::map<uint256, COrphanTx>::iterator it = mapOrphanTransactions.find(hash);
     if (it == mapOrphanTransactions.end())
         return 0;
-    BOOST_FOREACH(const CTxIn& txin, it->second.tx->vin)
+    for (const CTxIn& txin : it->second.tx->vin)
     {
         auto itPrev = mapOrphanTransactionsByPrev.find(txin.prevout);
         if (itPrev == mapOrphanTransactionsByPrev.end())
@@ -826,7 +826,7 @@ void PeerLogicValidation::BlockConnected(const std::shared_ptr<const CBlock>& pb
     // Erase orphan transactions include or precluded by this block
     if (vOrphanErase.size()) {
         int nErased = 0;
-        BOOST_FOREACH(uint256 &orphanHash, vOrphanErase) {
+        for (uint256 &orphanHash : vOrphanErase) {
             nErased += EraseOrphanTx(orphanHash);
         }
         LogPrint(BCLog::MEMPOOL, "Erased %d orphan tx included or conflicted by block\n", nErased);
@@ -1147,7 +1147,7 @@ void static ProcessGetBlockData(CNode* pfrom, const Consensus::Params& consensus
                 // Thus, the protocol spec specified allows for us to provide duplicate txn here,
                 // however we MUST always provide at least what the remote peer needs
                 typedef std::pair<unsigned int, uint256> PairType;
-                BOOST_FOREACH(PairType& pair, merkleBlock.vMatchedTxn)
+                for (PairType& pair : merkleBlock.vMatchedTxn)
                     connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::TX, *pblock->vtx[pair.first]));
             }
             // else
@@ -1708,7 +1708,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
         std::vector<CAddress> vAddrOk;
         int64_t nNow = GetAdjustedTime();
         int64_t nSince = nNow - 10 * 60;
-        BOOST_FOREACH(CAddress& addr, vAddr)
+        for (CAddress& addr : vAddr)
         {
             if (interruptMsgProc)
                 return true;
@@ -2216,20 +2216,20 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
                 }
             }
 
-            BOOST_FOREACH(uint256 hash, vEraseQueue)
+            for (uint256 hash : vEraseQueue)
                 EraseOrphanTx(hash);
         }
         else if (fMissingInputs)
         {
             bool fRejectedParents = false; // It may be the case that the orphans parents have all been rejected
-            BOOST_FOREACH(const CTxIn& txin, tx.vin) {
+            for (const CTxIn& txin : tx.vin) {
                 if (recentRejects->contains(txin.prevout.hash)) {
                     fRejectedParents = true;
                     break;
                 }
             }
             if (!fRejectedParents) {
-                BOOST_FOREACH(const CTxIn& txin, tx.vin) {
+                for (const CTxIn& txin : tx.vin) {
                     CInv _inv(MSG_TX, txin.prevout.hash);
                     pfrom->AddInventoryKnown(_inv);
                     if (!AlreadyHave(_inv)) pfrom->AskFor(_inv);
@@ -2748,7 +2748,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
         pfrom->vAddrToSend.clear();
         std::vector<CAddress> vAddr = connman.GetAddresses();
         FastRandomContext insecure_rand;
-        BOOST_FOREACH(const CAddress &addr, vAddr)
+        for (const CAddress &addr : vAddr)
             pfrom->PushAddress(addr, insecure_rand);
     }
 
@@ -2944,7 +2944,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
     else {
         bool found = false;
         const std::vector<std::string> &allMessages = getAllNetMessageTypes();
-        BOOST_FOREACH(const std::string msg, allMessages) {
+        for (const std::string msg : allMessages) {
             if(msg == strCommand) {
                 found = true;
                 break;
@@ -2984,7 +2984,7 @@ static bool SendRejectsAndCheckIfBanned(CNode* pnode, CConnman& connman)
     AssertLockHeld(cs_main);
     CNodeState &state = *State(pnode->GetId());
 
-    BOOST_FOREACH(const CBlockReject& reject, state.rejects) {
+    for (const CBlockReject& reject : state.rejects) {
         connman.PushMessage(pnode, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::REJECT, (std::string)NetMsgType::BLOCK, reject.chRejectCode, reject.strRejectReason, reject.hashBlock));
     }
     state.rejects.clear();
@@ -3205,7 +3205,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
             pto->nNextAddrSend = PoissonNextSend(nNow, AVG_ADDRESS_BROADCAST_INTERVAL);
             std::vector<CAddress> vAddr;
             vAddr.reserve(pto->vAddrToSend.size());
-            BOOST_FOREACH(const CAddress& addr, pto->vAddrToSend)
+            for (const CAddress& addr : pto->vAddrToSend)
             {
                 if (!pto->addrKnown.contains(addr.GetKey()))
                 {
@@ -3284,7 +3284,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
                 // Try to find first header that our peer doesn't have, and
                 // then send all headers past that one.  If we come across any
                 // headers that aren't on chainActive, give up.
-                BOOST_FOREACH(const uint256 &hash, pto->vBlockHashesToAnnounce) {
+                for (const uint256 &hash : pto->vBlockHashesToAnnounce) {
                     BlockMap::iterator mi = mapBlockIndex.find(hash);
                     assert(mi != mapBlockIndex.end());
                     const CBlockIndex *pindex = mi->second;
@@ -3412,7 +3412,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
             vInv.reserve(std::max<size_t>(pto->vInventoryBlockToSend.size(), INVENTORY_BROADCAST_MAX_PER_1MB_BLOCK * MaxBlockSize(true) / 1000000));
 
             // Add blocks
-            BOOST_FOREACH(const uint256& hash, pto->vInventoryBlockToSend) {
+            for (const uint256& hash : pto->vInventoryBlockToSend) {
                 vInv.push_back(CInv(MSG_BLOCK, hash));
                 if (vInv.size() == MAX_INV_SZ) {
                     connman.PushMessage(pto, msgMaker.Make(NetMsgType::INV, vInv));
@@ -3606,7 +3606,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
             std::vector<const CBlockIndex*> vToDownload;
             NodeId staller = -1;
             FindNextBlocksToDownload(pto->GetId(), MAX_BLOCKS_IN_TRANSIT_PER_PEER - state.nBlocksInFlight, vToDownload, staller, consensusParams);
-            BOOST_FOREACH(const CBlockIndex *pindex, vToDownload) {
+            for (const CBlockIndex *pindex : vToDownload) {
                 vGetData.push_back(CInv(MSG_BLOCK, pindex->GetBlockHash()));
                 MarkBlockAsInFlight(pto->GetId(), pindex->GetBlockHash(), pindex);
                 LogPrint(BCLog::NET, "Requesting block %s (%d) peer=%d\n", pindex->GetBlockHash().ToString(),
diff --git a/src/policy/policy.cpp b/src/policy/policy.cpp
index 1b1b30017..cf07968e1 100644
--- a/src/policy/policy.cpp
+++ b/src/policy/policy.cpp
@@ -92,7 +92,7 @@ bool IsStandardTx(const CTransaction& tx, std::string& reason)
         return false;
     }
 
-    BOOST_FOREACH(const CTxIn& txin, tx.vin)
+    for (const CTxIn& txin : tx.vin)
     {
         // Biggest 'standard' txin is a 15-of-15 P2SH multisig with compressed
         // keys (remember the 520 byte limit on redeemScript size). That works
@@ -113,7 +113,7 @@ bool IsStandardTx(const CTransaction& tx, std::string& reason)
 
     unsigned int nDataOut = 0;
     txnouttype whichType;
-    BOOST_FOREACH(const CTxOut& txout, tx.vout) {
+    for (const CTxOut& txout : tx.vout) {
         if (!::IsStandard(txout.scriptPubKey, whichType)) {
             reason = "scriptpubkey";
             return false;
diff --git a/src/qt/addresstablemodel.cpp b/src/qt/addresstablemodel.cpp
index 61a024ded..7f452faee 100644
--- a/src/qt/addresstablemodel.cpp
+++ b/src/qt/addresstablemodel.cpp
@@ -82,7 +82,7 @@ public:
         cachedAddressTable.clear();
         {
             LOCK(wallet->cs_wallet);
-            BOOST_FOREACH(const PAIRTYPE(CTxDestination, CAddressBookData)& item, wallet->mapAddressBook)
+            for (const PAIRTYPE(CTxDestination, CAddressBookData)& item : wallet->mapAddressBook)
             {
                 const CBitcoinAddress& address = item.first;
                 bool fMine = IsMine(*wallet, address.Get());
diff --git a/src/qt/coincontroldialog.cpp b/src/qt/coincontroldialog.cpp
index f6c47e025..e96c313c9 100644
--- a/src/qt/coincontroldialog.cpp
+++ b/src/qt/coincontroldialog.cpp
@@ -504,7 +504,7 @@ void CoinControlDialog::updateLabels(WalletModel *model, QDialog* dialog)
     coinControl->ListSelected(vCoinControl);
     model->getOutputs(vCoinControl, vOutputs);
 
-    BOOST_FOREACH(const COutput& out, vOutputs) {
+    for (const COutput& out : vOutputs) {
         // unselect already spent, very unlikely scenario, this could happen
         // when selected are spent elsewhere, like rpc or another computer
         uint256 txhash = out.tx->GetHash();
@@ -672,7 +672,7 @@ void CoinControlDialog::updateView()
     std::map<QString, std::vector<COutput> > mapCoins;
     model->listCoins(mapCoins);
 
-    BOOST_FOREACH(const PAIRTYPE(QString, std::vector<COutput>)& coins, mapCoins) {
+    for (const PAIRTYPE(QString, std::vector<COutput>)& coins : mapCoins) {
         CCoinControlWidgetItem *itemWalletAddress = new CCoinControlWidgetItem();
         itemWalletAddress->setCheckState(COLUMN_CHECKBOX, Qt::Unchecked);
         QString sWalletAddress = coins.first;
@@ -699,7 +699,7 @@ void CoinControlDialog::updateView()
 
         CAmount nSum = 0;
         int nChildren = 0;
-        BOOST_FOREACH(const COutput& out, coins.second) {
+        for (const COutput& out : coins.second) {
             nSum += out.tx->tx->vout[out.i].nValue;
             nChildren++;
 
diff --git a/src/qt/peertablemodel.cpp b/src/qt/peertablemodel.cpp
index 33b1f611f..6f4eb86a3 100644
--- a/src/qt/peertablemodel.cpp
+++ b/src/qt/peertablemodel.cpp
@@ -79,7 +79,7 @@ public:
             TRY_LOCK(cs_main, lockMain);
             if (lockMain)
             {
-                BOOST_FOREACH(CNodeCombinedStats &stats, cachedNodeStats)
+                for (CNodeCombinedStats &stats : cachedNodeStats)
                     stats.fNodeStateStatsAvailable = GetNodeStateStats(stats.nodeStats.nodeid, stats.nodeStateStats);
             }
         }
diff --git a/src/qt/recentrequeststablemodel.cpp b/src/qt/recentrequeststablemodel.cpp
index fd57b494a..e18509835 100644
--- a/src/qt/recentrequeststablemodel.cpp
+++ b/src/qt/recentrequeststablemodel.cpp
@@ -22,7 +22,7 @@ RecentRequestsTableModel::RecentRequestsTableModel(CWallet *wallet, WalletModel
     // Load entries from wallet
     std::vector<std::string> vReceiveRequests;
     parent->loadReceiveRequests(vReceiveRequests);
-    BOOST_FOREACH(const std::string& request, vReceiveRequests)
+    for (const std::string& request : vReceiveRequests)
         addNewRequest(request);
 
     /* These columns must match the indices in the ColumnIndex enumeration */
diff --git a/src/qt/transactiondesc.cpp b/src/qt/transactiondesc.cpp
index 8a495eddc..3a1f395dd 100644
--- a/src/qt/transactiondesc.cpp
+++ b/src/qt/transactiondesc.cpp
@@ -149,7 +149,7 @@ QString TransactionDesc::toHTML(CWallet *wallet, CWalletTx &wtx, TransactionReco
         // Coinbase
         //
         CAmount nUnmatured = 0;
-        BOOST_FOREACH(const CTxOut& txout, wtx.tx->vout)
+        for (const CTxOut& txout : wtx.tx->vout)
             nUnmatured += wallet->GetCredit(txout, ISMINE_ALL);
         strHTML += "<b>" + tr("Credit") + ":</b> ";
         if (wtx.IsInMainChain())
@@ -168,14 +168,14 @@ QString TransactionDesc::toHTML(CWallet *wallet, CWalletTx &wtx, TransactionReco
     else
     {
         isminetype fAllFromMe = ISMINE_SPENDABLE;
-        BOOST_FOREACH(const CTxIn& txin, wtx.tx->vin)
+        for (const CTxIn& txin : wtx.tx->vin)
         {
             isminetype mine = wallet->IsMine(txin);
             if(fAllFromMe > mine) fAllFromMe = mine;
         }
 
         isminetype fAllToMe = ISMINE_SPENDABLE;
-        BOOST_FOREACH(const CTxOut& txout, wtx.tx->vout)
+        for (const CTxOut& txout : wtx.tx->vout)
         {
             isminetype mine = wallet->IsMine(txout);
             if(fAllToMe > mine) fAllToMe = mine;
@@ -189,7 +189,7 @@ QString TransactionDesc::toHTML(CWallet *wallet, CWalletTx &wtx, TransactionReco
             //
             // Debit
             //
-            BOOST_FOREACH(const CTxOut& txout, wtx.tx->vout)
+            for (const CTxOut& txout : wtx.tx->vout)
             {
                 // Ignore change
                 isminetype toSelf = wallet->IsMine(txout);
@@ -237,10 +237,10 @@ QString TransactionDesc::toHTML(CWallet *wallet, CWalletTx &wtx, TransactionReco
             //
             // Mixed debit transaction
             //
-            BOOST_FOREACH(const CTxIn& txin, wtx.tx->vin)
+            for (const CTxIn& txin : wtx.tx->vin)
                 if (wallet->IsMine(txin))
                     strHTML += "<b>" + tr("Debit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, -wallet->GetDebit(txin, ISMINE_ALL)) + "<br>";
-            BOOST_FOREACH(const CTxOut& txout, wtx.tx->vout)
+            for (const CTxOut& txout : wtx.tx->vout)
                 if (wallet->IsMine(txout))
                     strHTML += "<b>" + tr("Credit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, wallet->GetCredit(txout, ISMINE_ALL)) + "<br>";
         }
@@ -292,10 +292,10 @@ QString TransactionDesc::toHTML(CWallet *wallet, CWalletTx &wtx, TransactionReco
     if (logCategories != BCLog::NONE)
     {
         strHTML += "<hr><br>" + tr("Debug information") + "<br><br>";
-        BOOST_FOREACH(const CTxIn& txin, wtx.tx->vin)
+        for (const CTxIn& txin : wtx.tx->vin)
             if(wallet->IsMine(txin))
                 strHTML += "<b>" + tr("Debit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, -wallet->GetDebit(txin, ISMINE_ALL)) + "<br>";
-        BOOST_FOREACH(const CTxOut& txout, wtx.tx->vout)
+        for (const CTxOut& txout : wtx.tx->vout)
             if(wallet->IsMine(txout))
                 strHTML += "<b>" + tr("Credit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, wallet->GetCredit(txout, ISMINE_ALL)) + "<br>";
 
@@ -305,7 +305,7 @@ QString TransactionDesc::toHTML(CWallet *wallet, CWalletTx &wtx, TransactionReco
         strHTML += "<br><b>" + tr("Inputs") + ":</b>";
         strHTML += "<ul>";
 
-        BOOST_FOREACH(const CTxIn& txin, wtx.tx->vin)
+        for (const CTxIn& txin : wtx.tx->vin)
         {
             COutPoint prevout = txin.prevout;
 
diff --git a/src/qt/transactionrecord.cpp b/src/qt/transactionrecord.cpp
index fb78a17f9..7fde2aa43 100644
--- a/src/qt/transactionrecord.cpp
+++ b/src/qt/transactionrecord.cpp
@@ -83,7 +83,7 @@ QList<TransactionRecord> TransactionRecord::decomposeTransaction(const CWallet *
         int nFromMe = 0;
         bool involvesWatchAddress = false;
         isminetype fAllFromMe = ISMINE_SPENDABLE;
-        BOOST_FOREACH(const CTxIn& txin, wtx.tx->vin)
+        for (const CTxIn& txin : wtx.tx->vin)
         {
             if(wallet->IsMine(txin)) {
                 fAllFromMeDenom = fAllFromMeDenom && wallet->IsDenominated(txin.prevout);
@@ -97,7 +97,7 @@ QList<TransactionRecord> TransactionRecord::decomposeTransaction(const CWallet *
         isminetype fAllToMe = ISMINE_SPENDABLE;
         bool fAllToMeDenom = true;
         int nToMe = 0;
-        BOOST_FOREACH(const CTxOut& txout, wtx.tx->vout) {
+        for (const CTxOut& txout : wtx.tx->vout) {
             if(wallet->IsMine(txout)) {
                 fAllToMeDenom = fAllToMeDenom && CPrivateSend::IsDenominatedAmount(txout.nValue);
                 nToMe++;
diff --git a/src/qt/walletmodel.cpp b/src/qt/walletmodel.cpp
index 71b3b37b2..b62120245 100644
--- a/src/qt/walletmodel.cpp
+++ b/src/qt/walletmodel.cpp
@@ -79,7 +79,7 @@ CAmount WalletModel::getBalance(const CCoinControl *coinControl) const
         CAmount nBalance = 0;
         std::vector<COutput> vCoins;
         wallet->AvailableCoins(vCoins, true, coinControl);
-        BOOST_FOREACH(const COutput& out, vCoins)
+        for (const COutput& out : vCoins)
             if(out.fSpendable)
                 nBalance += out.tx->tx->vout[out.i].nValue;
 
@@ -681,7 +681,7 @@ bool WalletModel::getPrivKey(const CKeyID &address, CKey& vchPrivKeyOut) const
 void WalletModel::getOutputs(const std::vector<COutPoint>& vOutpoints, std::vector<COutput>& vOutputs)
 {
     LOCK2(cs_main, wallet->cs_wallet);
-    BOOST_FOREACH(const COutPoint& outpoint, vOutpoints)
+    for (const COutPoint& outpoint : vOutpoints)
     {
         if (!wallet->mapWallet.count(outpoint.hash)) continue;
         int nDepth = wallet->mapWallet[outpoint.hash].GetDepthInMainChain();
@@ -708,7 +708,7 @@ void WalletModel::listCoins(std::map<QString, std::vector<COutput> >& mapCoins)
     wallet->ListLockedCoins(vLockedCoins);
 
     // add locked coins
-    BOOST_FOREACH(const COutPoint& outpoint, vLockedCoins)
+    for (const COutPoint& outpoint : vLockedCoins)
     {
         if (!wallet->mapWallet.count(outpoint.hash)) continue;
         int nDepth = wallet->mapWallet[outpoint.hash].GetDepthInMainChain();
@@ -718,7 +718,7 @@ void WalletModel::listCoins(std::map<QString, std::vector<COutput> >& mapCoins)
             vCoins.push_back(out);
     }
 
-    BOOST_FOREACH(const COutput& out, vCoins)
+    for (const COutput& out : vCoins)
     {
         COutput cout = out;
 
@@ -768,8 +768,8 @@ void WalletModel::listProTxCoins(std::vector<COutPoint>& vOutpts)
 void WalletModel::loadReceiveRequests(std::vector<std::string>& vReceiveRequests)
 {
     LOCK(wallet->cs_wallet);
-    BOOST_FOREACH(const PAIRTYPE(CTxDestination, CAddressBookData)& item, wallet->mapAddressBook)
-        BOOST_FOREACH(const PAIRTYPE(std::string, std::string)& item2, item.second.destdata)
+    for (const PAIRTYPE(CTxDestination, CAddressBookData)& item : wallet->mapAddressBook)
+        for (const PAIRTYPE(std::string, std::string)& item2 : item.second.destdata)
             if (item2.first.size() > 2 && item2.first.substr(0,2) == "rr") // receive request
                 vReceiveRequests.push_back(item2.second);
 }
diff --git a/src/rest.cpp b/src/rest.cpp
index 7bca7488e..692205792 100644
--- a/src/rest.cpp
+++ b/src/rest.cpp
@@ -158,7 +158,7 @@ static bool rest_headers(HTTPRequest* req,
     }
 
     CDataStream ssHeader(SER_NETWORK, PROTOCOL_VERSION);
-    BOOST_FOREACH(const CBlockIndex *pindex, headers) {
+    for (const CBlockIndex *pindex : headers) {
         ssHeader << pindex->GetBlockHeader();
     }
 
@@ -178,7 +178,7 @@ static bool rest_headers(HTTPRequest* req,
     }
     case RF_JSON: {
         UniValue jsonHeaders(UniValue::VARR);
-        BOOST_FOREACH(const CBlockIndex *pindex, headers) {
+        for (const CBlockIndex *pindex : headers) {
             jsonHeaders.push_back(blockheaderToJSON(pindex));
         }
         std::string strJSON = jsonHeaders.write() + "\n";
@@ -558,7 +558,7 @@ static bool rest_getutxos(HTTPRequest* req, const std::string& strURIPart)
         objGetUTXOResponse.push_back(Pair("bitmap", bitmapStringRepresentation));
 
         UniValue utxos(UniValue::VARR);
-        BOOST_FOREACH (const CCoin& coin, outs) {
+        for (const CCoin& coin : outs) {
             UniValue utxo(UniValue::VOBJ);
             utxo.push_back(Pair("height", (int32_t)coin.nHeight));
             utxo.push_back(Pair("value", ValueFromAmount(coin.out.nValue)));
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index 7806f425a..a5350626e 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -387,14 +387,14 @@ void entryToJSON(UniValue &info, const CTxMemPoolEntry &e)
     info.push_back(Pair("ancestorfees", e.GetModFeesWithAncestors()));
     const CTransaction& tx = e.GetTx();
     std::set<std::string> setDepends;
-    BOOST_FOREACH(const CTxIn& txin, tx.vin)
+    for (const CTxIn& txin : tx.vin)
     {
         if (mempool.exists(txin.prevout.hash))
             setDepends.insert(txin.prevout.hash.ToString());
     }
 
     UniValue depends(UniValue::VARR);
-    BOOST_FOREACH(const std::string& dep, setDepends)
+    for (const std::string& dep : setDepends)
     {
         depends.push_back(dep);
     }
@@ -409,7 +409,7 @@ UniValue mempoolToJSON(bool fVerbose)
     {
         LOCK(mempool.cs);
         UniValue o(UniValue::VOBJ);
-        BOOST_FOREACH(const CTxMemPoolEntry& e, mempool.mapTx)
+        for (const CTxMemPoolEntry& e : mempool.mapTx)
         {
             const uint256& hash = e.GetTx().GetHash();
             UniValue info(UniValue::VOBJ);
@@ -424,7 +424,7 @@ UniValue mempoolToJSON(bool fVerbose)
         mempool.queryHashes(vtxid);
 
         UniValue a(UniValue::VARR);
-        BOOST_FOREACH(const uint256& hash, vtxid)
+        for (const uint256& hash : vtxid)
             a.push_back(hash.ToString());
 
         return a;
@@ -509,14 +509,14 @@ UniValue getmempoolancestors(const JSONRPCRequest& request)
 
     if (!fVerbose) {
         UniValue o(UniValue::VARR);
-        BOOST_FOREACH(CTxMemPool::txiter ancestorIt, setAncestors) {
+        for (CTxMemPool::txiter ancestorIt : setAncestors) {
             o.push_back(ancestorIt->GetTx().GetHash().ToString());
         }
 
         return o;
     } else {
         UniValue o(UniValue::VOBJ);
-        BOOST_FOREACH(CTxMemPool::txiter ancestorIt, setAncestors) {
+        for (CTxMemPool::txiter ancestorIt : setAncestors) {
             const CTxMemPoolEntry &e = *ancestorIt;
             const uint256& _hash = e.GetTx().GetHash();
             UniValue info(UniValue::VOBJ);
@@ -573,14 +573,14 @@ UniValue getmempooldescendants(const JSONRPCRequest& request)
 
     if (!fVerbose) {
         UniValue o(UniValue::VARR);
-        BOOST_FOREACH(CTxMemPool::txiter descendantIt, setDescendants) {
+        for (CTxMemPool::txiter descendantIt : setDescendants) {
             o.push_back(descendantIt->GetTx().GetHash().ToString());
         }
 
         return o;
     } else {
         UniValue o(UniValue::VOBJ);
-        BOOST_FOREACH(CTxMemPool::txiter descendantIt, setDescendants) {
+        for (CTxMemPool::txiter descendantIt : setDescendants) {
             const CTxMemPoolEntry &e = *descendantIt;
             const uint256& _hash = e.GetTx().GetHash();
             UniValue info(UniValue::VOBJ);
@@ -1512,7 +1512,7 @@ UniValue getchaintips(const JSONRPCRequest& request)
     std::set<const CBlockIndex*> setOrphans;
     std::set<const CBlockIndex*> setPrevs;
 
-    BOOST_FOREACH(const PAIRTYPE(const uint256, CBlockIndex*)& item, mapBlockIndex)
+    for (const PAIRTYPE(const uint256, CBlockIndex*)& item : mapBlockIndex)
     {
         if (!chainActive.Contains(item.second)) {
             setOrphans.insert(item.second);
@@ -1541,7 +1541,7 @@ UniValue getchaintips(const JSONRPCRequest& request)
 
     /* Construct the output array.  */
     UniValue res(UniValue::VARR);
-    BOOST_FOREACH(const CBlockIndex* block, setTips)
+    for (const CBlockIndex* block : setTips)
     {
         const CBlockIndex* pindexFork = chainActive.FindFork(block);
         const int branchLen = block->nHeight - pindexFork->nHeight;
diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
index 00ae7a059..f4ef6cebd 100644
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -601,7 +601,7 @@ UniValue getblocktemplate(const JSONRPCRequest& request)
         entry.push_back(Pair("hash", txHash.GetHex()));
 
         UniValue deps(UniValue::VARR);
-        BOOST_FOREACH (const CTxIn &in, tx.vin)
+        for (const CTxIn &in : tx.vin)
         {
             if (setTxIndex.count(in.prevout.hash))
                 deps.push_back(setTxIndex[in.prevout.hash]);
diff --git a/src/rpc/misc.cpp b/src/rpc/misc.cpp
index 41fda5f9b..ef886dbc1 100644
--- a/src/rpc/misc.cpp
+++ b/src/rpc/misc.cpp
@@ -232,7 +232,7 @@ public:
             obj.push_back(Pair("script", GetTxnOutputType(whichType)));
             obj.push_back(Pair("hex", HexStr(subscript.begin(), subscript.end())));
             UniValue a(UniValue::VARR);
-            BOOST_FOREACH(const CTxDestination& addr, addresses)
+            for (const CTxDestination& addr : addresses)
                 a.push_back(CBitcoinAddress(addr).ToString());
             obj.push_back(Pair("addresses", a));
             if (whichType == TX_MULTISIG)
diff --git a/src/rpc/net.cpp b/src/rpc/net.cpp
index 3d31b52d5..4f94b2cfd 100644
--- a/src/rpc/net.cpp
+++ b/src/rpc/net.cpp
@@ -127,7 +127,7 @@ UniValue getpeerinfo(const JSONRPCRequest& request)
 
     UniValue ret(UniValue::VARR);
 
-    BOOST_FOREACH(const CNodeStats& stats, vstats) {
+    for (const CNodeStats& stats : vstats) {
         UniValue obj(UniValue::VOBJ);
         CNodeStateStats statestats;
         bool fStateStats = GetNodeStateStats(stats.nodeid, statestats);
@@ -164,7 +164,7 @@ UniValue getpeerinfo(const JSONRPCRequest& request)
             obj.push_back(Pair("synced_headers", statestats.nSyncHeight));
             obj.push_back(Pair("synced_blocks", statestats.nCommonHeight));
             UniValue heights(UniValue::VARR);
-            BOOST_FOREACH(int height, statestats.vHeightInFlight) {
+            for (int height : statestats.vHeightInFlight) {
                 heights.push_back(height);
             }
             obj.push_back(Pair("inflight", heights));
@@ -172,14 +172,14 @@ UniValue getpeerinfo(const JSONRPCRequest& request)
         obj.push_back(Pair("whitelisted", stats.fWhitelisted));
 
         UniValue sendPerMsgCmd(UniValue::VOBJ);
-        BOOST_FOREACH(const mapMsgCmdSize::value_type &i, stats.mapSendBytesPerMsgCmd) {
+        for (const mapMsgCmdSize::value_type &i : stats.mapSendBytesPerMsgCmd) {
             if (i.second > 0)
                 sendPerMsgCmd.push_back(Pair(i.first, i.second));
         }
         obj.push_back(Pair("bytessent_per_msg", sendPerMsgCmd));
 
         UniValue recvPerMsgCmd(UniValue::VOBJ);
-        BOOST_FOREACH(const mapMsgCmdSize::value_type &i, stats.mapRecvBytesPerMsgCmd) {
+        for (const mapMsgCmdSize::value_type &i : stats.mapRecvBytesPerMsgCmd) {
             if (i.second > 0)
                 recvPerMsgCmd.push_back(Pair(i.first, i.second));
         }
@@ -475,7 +475,7 @@ UniValue getnetworkinfo(const JSONRPCRequest& request)
     UniValue localAddresses(UniValue::VARR);
     {
         LOCK(cs_mapLocalHost);
-        BOOST_FOREACH(const PAIRTYPE(CNetAddr, LocalServiceInfo) &item, mapLocalHost)
+        for (const PAIRTYPE(CNetAddr, LocalServiceInfo) &item : mapLocalHost)
         {
             UniValue rec(UniValue::VOBJ);
             rec.push_back(Pair("address", item.first.ToString()));
diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index e5b7d64a0..676a9521b 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -332,7 +332,7 @@ UniValue verifytxoutproof(const JSONRPCRequest& request)
     if (!mapBlockIndex.count(merkleBlock.header.GetHash()) || !chainActive.Contains(mapBlockIndex[merkleBlock.header.GetHash()]))
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found in chain");
 
-    BOOST_FOREACH(const uint256& hash, vMatch)
+    for (const uint256& hash : vMatch)
         res.push_back(hash.GetHex());
     return res;
 }
@@ -423,7 +423,7 @@ UniValue createrawtransaction(const JSONRPCRequest& request)
 
     std::set<CBitcoinAddress> setAddress;
     std::vector<std::string> addrList = sendTo.getKeys();
-    BOOST_FOREACH(const std::string& name_, addrList) {
+    for (const std::string& name_ : addrList) {
 
         if (name_ == "data") {
             std::vector<unsigned char> data = ParseHexV(sendTo[name_].getValStr(),"Data");
@@ -682,7 +682,7 @@ UniValue signrawtransaction(const JSONRPCRequest& request)
         CCoinsViewMemPool viewMempool(&viewChain, mempool);
         view.SetBackend(viewMempool); // temporarily switch cache backend to db+mempool view
 
-        BOOST_FOREACH(const CTxIn& txin, mergedTx.vin) {
+        for (const CTxIn& txin : mergedTx.vin) {
             view.AccessCoin(txin.prevout); // Load entries from viewChain into view; can fail.
         }
 
@@ -821,7 +821,7 @@ UniValue signrawtransaction(const JSONRPCRequest& request)
             SignSignature(keystore, prevPubKey, mergedTx, i, nHashType);
 
         // ... and merge in other signatures:
-        BOOST_FOREACH(const CMutableTransaction& txv, txVariants) {
+        for (const CMutableTransaction& txv : txVariants) {
             if (txv.vin.size() > i) {
                 txin.scriptSig = CombineSignatures(prevPubKey, txConst, i, txin.scriptSig, txv.vin[i].scriptSig);
             }
diff --git a/src/rpc/server.cpp b/src/rpc/server.cpp
index 8eb15d315..5a41a12d8 100644
--- a/src/rpc/server.cpp
+++ b/src/rpc/server.cpp
@@ -64,7 +64,7 @@ void RPCTypeCheck(const UniValue& params,
                   bool fAllowNull)
 {
     unsigned int i = 0;
-    BOOST_FOREACH(UniValue::VType t, typesExpected)
+    for (UniValue::VType t : typesExpected)
     {
         if (params.size() <= i)
             break;
@@ -103,7 +103,7 @@ void RPCTypeCheckObj(const UniValue& o,
 
     if (fStrict)
     {
-        BOOST_FOREACH(const std::string& k, o.getKeys())
+        for (const std::string& k : o.getKeys())
         {
             if (typesExpected.count(k) == 0)
             {
@@ -233,7 +233,7 @@ std::string CRPCTable::help(const std::string& strCommand, const std::string& st
     jreq.fHelp = true;
     jreq.params = UniValue();
 
-    BOOST_FOREACH(const PAIRTYPE(std::string, const CRPCCommand*)& command, vCommands)
+    for (const PAIRTYPE(std::string, const CRPCCommand*)& command : vCommands)
     {
         const CRPCCommand *pcmd = command.second;
         std::string strMethod = pcmd->name;
diff --git a/src/script/ismine.cpp b/src/script/ismine.cpp
index a66e79bef..fe9215c67 100644
--- a/src/script/ismine.cpp
+++ b/src/script/ismine.cpp
@@ -18,7 +18,7 @@ typedef std::vector<unsigned char> valtype;
 unsigned int HaveKeys(const std::vector<valtype>& pubkeys, const CKeyStore& keystore)
 {
     unsigned int nResult = 0;
-    BOOST_FOREACH(const valtype& pubkey, pubkeys)
+    for (const valtype& pubkey : pubkeys)
     {
         CKeyID keyID = CPubKey(pubkey).GetID();
         if (keystore.HaveKey(keyID))
diff --git a/src/script/sign.cpp b/src/script/sign.cpp
index c945972a4..9e4424e7c 100644
--- a/src/script/sign.cpp
+++ b/src/script/sign.cpp
@@ -148,7 +148,7 @@ bool SignSignature(const CKeyStore &keystore, const CTransaction& txFrom, CMutab
 static CScript PushAll(const std::vector<valtype>& values)
 {
     CScript result;
-    BOOST_FOREACH(const valtype& v, values)
+    for (const valtype& v : values)
         result << v;
     return result;
 }
@@ -159,12 +159,12 @@ static CScript CombineMultisig(const CScript& scriptPubKey, const BaseSignatureC
 {
     // Combine all the signatures we've got:
     std::set<valtype> allsigs;
-    BOOST_FOREACH(const valtype& v, sigs1)
+    for (const valtype& v : sigs1)
     {
         if (!v.empty())
             allsigs.insert(v);
     }
-    BOOST_FOREACH(const valtype& v, sigs2)
+    for (const valtype& v : sigs2)
     {
         if (!v.empty())
             allsigs.insert(v);
@@ -175,7 +175,7 @@ static CScript CombineMultisig(const CScript& scriptPubKey, const BaseSignatureC
     unsigned int nSigsRequired = vSolutions.front()[0];
     unsigned int nPubKeys = vSolutions.size()-2;
     std::map<valtype, valtype> sigs;
-    BOOST_FOREACH(const valtype& sig, allsigs)
+    for (const valtype& sig : allsigs)
     {
         for (unsigned int i = 0; i < nPubKeys; i++)
         {
diff --git a/src/script/standard.cpp b/src/script/standard.cpp
index 616b30cca..128513f65 100644
--- a/src/script/standard.cpp
+++ b/src/script/standard.cpp
@@ -76,7 +76,7 @@ bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<std::v
 
     // Scan templates
     const CScript& script1 = scriptPubKey;
-    BOOST_FOREACH(const PAIRTYPE(txnouttype, CScript)& tplate, mTemplates)
+    for (const PAIRTYPE(txnouttype, CScript)& tplate : mTemplates)
     {
         const CScript& script2 = tplate.second;
         vSolutionsRet.clear();
@@ -275,7 +275,7 @@ CScript GetScriptForMultisig(int nRequired, const std::vector<CPubKey>& keys)
     CScript script;
 
     script << CScript::EncodeOP_N(nRequired);
-    BOOST_FOREACH(const CPubKey& key, keys)
+    for (const CPubKey& key : keys)
         script << ToByteVector(key);
     script << CScript::EncodeOP_N(keys.size()) << OP_CHECKMULTISIG;
     return script;
diff --git a/src/sync.cpp b/src/sync.cpp
index 924223630..092b8df17 100644
--- a/src/sync.cpp
+++ b/src/sync.cpp
@@ -77,7 +77,7 @@ static void potential_deadlock_detected(const std::pair<void*, void*>& mismatch,
     std::string strOutput = "";
     strOutput += "POTENTIAL DEADLOCK DETECTED\n";
     strOutput += "Previous lock order was:\n";
-    BOOST_FOREACH (const PAIRTYPE(void*, CLockLocation) & i, s2) {
+    for (const PAIRTYPE(void*, CLockLocation) & i : s2) {
         if (i.first == mismatch.first) {
             strOutput += " (1)";
         }
@@ -87,7 +87,7 @@ static void potential_deadlock_detected(const std::pair<void*, void*>& mismatch,
         strOutput += strprintf(" %s\n", i.second.ToString().c_str());
     }
     strOutput += "Current lock order is:\n";
-    BOOST_FOREACH (const PAIRTYPE(void*, CLockLocation) & i, s1) {
+    for (const PAIRTYPE(void*, CLockLocation) & i : s1) {
         if (i.first == mismatch.first) {
             strOutput += " (1)";
         }
@@ -112,7 +112,7 @@ static void push_lock(void* c, const CLockLocation& locklocation, bool fTry)
 
     (*lockstack).push_back(std::make_pair(c, locklocation));
 
-    BOOST_FOREACH (const PAIRTYPE(void*, CLockLocation) & i, (*lockstack)) {
+    for (const PAIRTYPE(void*, CLockLocation) & i : (*lockstack)) {
         if (i.first == c)
             break;
 
@@ -146,14 +146,14 @@ void LeaveCritical()
 std::string LocksHeld()
 {
     std::string result;
-    BOOST_FOREACH (const PAIRTYPE(void*, CLockLocation) & i, *lockstack)
+    for (const PAIRTYPE(void*, CLockLocation) & i : *lockstack)
         result += i.second.ToString() + std::string("\n");
     return result;
 }
 
 void AssertLockHeldInternal(const char* pszName, const char* pszFile, int nLine, void* cs)
 {
-    BOOST_FOREACH (const PAIRTYPE(void*, CLockLocation) & i, *lockstack)
+    for (const PAIRTYPE(void*, CLockLocation) & i : *lockstack)
         if (i.first == cs)
             return;
     fprintf(stderr, "Assertion failed: lock %s not held in %s:%i; locks held:\n%s", pszName, pszFile, nLine, LocksHeld().c_str());
diff --git a/src/test/bip32_tests.cpp b/src/test/bip32_tests.cpp
index 402aef27a..ab040c5cc 100644
--- a/src/test/bip32_tests.cpp
+++ b/src/test/bip32_tests.cpp
@@ -93,7 +93,7 @@ void RunTest(const TestVector &test) {
     CExtPubKey pubkey;
     key.SetMaster(&seed[0], seed.size());
     pubkey = key.Neuter();
-    BOOST_FOREACH(const TestDerivation &derive, test.vDerive) {
+    for (const TestDerivation &derive : test.vDerive) {
         unsigned char data[74];
         key.Encode(data);
         pubkey.Encode(data);
diff --git a/src/test/coins_tests.cpp b/src/test/coins_tests.cpp
index f6e8adab8..58f77731b 100644
--- a/src/test/coins_tests.cpp
+++ b/src/test/coins_tests.cpp
@@ -201,7 +201,7 @@ BOOST_AUTO_TEST_CASE(coins_cache_simulation_test)
                     found_an_entry = true;
                 }
             }
-            BOOST_FOREACH(const CCoinsViewCacheTest *test, stack) {
+            for (const CCoinsViewCacheTest *test : stack) {
                 test->SelfTest();
             }
         }
diff --git a/src/test/getarg_tests.cpp b/src/test/getarg_tests.cpp
index b9ce280d0..28bec6374 100644
--- a/src/test/getarg_tests.cpp
+++ b/src/test/getarg_tests.cpp
@@ -25,7 +25,7 @@ static void ResetArgs(const std::string& strArg)
 
     // Convert to char*:
     std::vector<const char*> vecChar;
-    BOOST_FOREACH(std::string& s, vecArg)
+    for (std::string& s : vecArg)
         vecChar.push_back(s.c_str());
 
     gArgs.ParseParameters(vecChar.size(), &vecChar[0]);
diff --git a/src/test/multisig_tests.cpp b/src/test/multisig_tests.cpp
index 2c2f76323..d1dc6ed80 100644
--- a/src/test/multisig_tests.cpp
+++ b/src/test/multisig_tests.cpp
@@ -28,7 +28,7 @@ sign_multisig(CScript scriptPubKey, std::vector<CKey> keys, CTransaction transac
 
     CScript result;
     result << OP_0; // CHECKMULTISIG bug workaround
-    BOOST_FOREACH(const CKey &key, keys)
+    for (const CKey &key : keys)
     {
         std::vector<unsigned char> vchSig;
         BOOST_CHECK(key.Sign(hash, vchSig));
diff --git a/src/test/prevector_tests.cpp b/src/test/prevector_tests.cpp
index 2c36f1238..01308cbbb 100644
--- a/src/test/prevector_tests.cpp
+++ b/src/test/prevector_tests.cpp
@@ -53,13 +53,13 @@ class prevector_tester {
         local_check(pretype(real_vector.begin(), real_vector.end()) == pre_vector);
         local_check(pretype(pre_vector.begin(), pre_vector.end()) == pre_vector);
         size_t pos = 0;
-        BOOST_FOREACH(const T& v, pre_vector) {
+        for (const T& v : pre_vector) {
              local_check(v == real_vector[pos++]);
         }
         BOOST_REVERSE_FOREACH(const T& v, pre_vector) {
              local_check(v == real_vector[--pos]);
         }
-        BOOST_FOREACH(const T& v, const_pre_vector) {
+        for (const T& v : const_pre_vector) {
              local_check(v == real_vector[pos++]);
         }
         BOOST_REVERSE_FOREACH(const T& v, const_pre_vector) {
diff --git a/src/test/script_tests.cpp b/src/test/script_tests.cpp
index 13a996499..623dbf0ef 100644
--- a/src/test/script_tests.cpp
+++ b/src/test/script_tests.cpp
@@ -676,7 +676,7 @@ BOOST_AUTO_TEST_CASE(script_build)
 
     std::string strGen;
 
-    BOOST_FOREACH(TestBuilder& test, tests) {
+    for (TestBuilder& test : tests) {
         test.Test();
         std::string str = JSONPrettyPrint(test.GetJSON());
 #ifndef UPDATE_JSON_TESTS
@@ -769,7 +769,7 @@ sign_multisig(CScript scriptPubKey, std::vector<CKey> keys, CTransaction transac
     // and vice-versa)
     //
     result << OP_0;
-    BOOST_FOREACH(const CKey &key, keys)
+    for (const CKey &key : keys)
     {
         std::vector<unsigned char> vchSig;
         BOOST_CHECK(key.Sign(hash, vchSig));
diff --git a/src/test/test_dash.cpp b/src/test/test_dash.cpp
index a99b6ac49..12fab1446 100644
--- a/src/test/test_dash.cpp
+++ b/src/test/test_dash.cpp
@@ -159,7 +159,7 @@ CBlock TestChainSetup::CreateBlock(const std::vector<CMutableTransaction>& txns,
     block.vtx.resize(1);
     // Re-add quorum commitments
     block.vtx.insert(block.vtx.end(), llmqCommitments.begin(), llmqCommitments.end());
-    BOOST_FOREACH(const CMutableTransaction& tx, txns)
+    for (const CMutableTransaction& tx : txns)
         block.vtx.push_back(MakeTransactionRef(tx));
 
     // Manually update CbTx as we modified the block here
diff --git a/src/test/transaction_tests.cpp b/src/test/transaction_tests.cpp
index 968111182..dddeacf2d 100644
--- a/src/test/transaction_tests.cpp
+++ b/src/test/transaction_tests.cpp
@@ -55,7 +55,7 @@ unsigned int ParseScriptFlags(std::string strFlags)
     std::vector<std::string> words;
     boost::algorithm::split(words, strFlags, boost::algorithm::is_any_of(","));
 
-    BOOST_FOREACH(std::string word, words)
+    for (std::string word : words)
     {
         if (!mapFlagNames.count(word))
             BOOST_ERROR("Bad test: unknown verification flag '" << word << "'");
diff --git a/src/timedata.cpp b/src/timedata.cpp
index e5cdd5497..6549ecd53 100644
--- a/src/timedata.cpp
+++ b/src/timedata.cpp
@@ -95,7 +95,7 @@ void AddTimeData(const CNetAddr& ip, int64_t nOffsetSample)
             {
                 // If nobody has a time different than ours but within 5 minutes of ours, give a warning
                 bool fMatch = false;
-                BOOST_FOREACH(int64_t nOffset, vSorted)
+                for (int64_t nOffset : vSorted)
                     if (nOffset != 0 && abs64(nOffset) < 5 * 60)
                         fMatch = true;
 
@@ -110,7 +110,7 @@ void AddTimeData(const CNetAddr& ip, int64_t nOffsetSample)
         }
 
         if (LogAcceptCategory(BCLog::NET)) {
-            BOOST_FOREACH(int64_t n, vSorted) {
+            for (int64_t n : vSorted) {
                 LogPrint(BCLog::NET, "%+d  ", n);
             }
             LogPrint(BCLog::NET, "|  ");
diff --git a/src/torcontrol.cpp b/src/torcontrol.cpp
index e2ba2209b..944b4e6f4 100644
--- a/src/torcontrol.cpp
+++ b/src/torcontrol.cpp
@@ -486,7 +486,7 @@ void TorController::add_onion_cb(TorControlConnection& _conn, const TorControlRe
 {
     if (reply.code == 250) {
         LogPrint(BCLog::TOR, "tor: ADD_ONION successful\n");
-        BOOST_FOREACH(const std::string &s, reply.lines) {
+        for (const std::string &s : reply.lines) {
             std::map<std::string,std::string> m = ParseTorReplyMapping(s);
             std::map<std::string,std::string>::iterator i;
             if ((i = m.find("ServiceID")) != m.end())
@@ -616,7 +616,7 @@ void TorController::protocolinfo_cb(TorControlConnection& _conn, const TorContro
          * 250-AUTH METHODS=NULL
          * 250-AUTH METHODS=HASHEDPASSWORD
          */
-        BOOST_FOREACH(const std::string &s, reply.lines) {
+        for (const std::string &s : reply.lines) {
             std::pair<std::string,std::string> l = SplitTorReplyLine(s);
             if (l.first == "AUTH") {
                 std::map<std::string,std::string> m = ParseTorReplyMapping(l.second);
@@ -633,7 +633,7 @@ void TorController::protocolinfo_cb(TorControlConnection& _conn, const TorContro
                 }
             }
         }
-        BOOST_FOREACH(const std::string &s, methods) {
+        for (const std::string &s : methods) {
             LogPrint(BCLog::TOR, "tor: Supported authentication method: %s\n", s);
         }
         // Prefer NULL, otherwise SAFECOOKIE. If a password is provided, use HASHEDPASSWORD
diff --git a/src/txmempool.cpp b/src/txmempool.cpp
index 2542091c5..e5c8c5664 100644
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -74,12 +74,12 @@ void CTxMemPool::UpdateForDescendants(txiter updateIt, cacheMap &cachedDescendan
         setAllDescendants.insert(cit);
         stageEntries.erase(cit);
         const setEntries &setChildren = GetMemPoolChildren(cit);
-        BOOST_FOREACH(const txiter childEntry, setChildren) {
+        for (const txiter childEntry : setChildren) {
             cacheMap::iterator cacheIt = cachedDescendants.find(childEntry);
             if (cacheIt != cachedDescendants.end()) {
                 // We've already calculated this one, just add the entries for this set
                 // but don't traverse again.
-                BOOST_FOREACH(const txiter cacheEntry, cacheIt->second) {
+                for (const txiter cacheEntry : cacheIt->second) {
                     setAllDescendants.insert(cacheEntry);
                 }
             } else if (!setAllDescendants.count(childEntry)) {
@@ -93,7 +93,7 @@ void CTxMemPool::UpdateForDescendants(txiter updateIt, cacheMap &cachedDescendan
     int64_t modifySize = 0;
     CAmount modifyFee = 0;
     int64_t modifyCount = 0;
-    BOOST_FOREACH(txiter cit, setAllDescendants) {
+    for (txiter cit : setAllDescendants) {
         if (!setExclude.count(cit->GetTx().GetHash())) {
             modifySize += cit->GetTxSize();
             modifyFee += cit->GetModifiedFee();
@@ -203,7 +203,7 @@ bool CTxMemPool::CalculateMemPoolAncestors(const CTxMemPoolEntry &entry, setEntr
         }
 
         const setEntries & setMemPoolParents = GetMemPoolParents(stageit);
-        BOOST_FOREACH(const txiter &phash, setMemPoolParents) {
+        for (const txiter &phash : setMemPoolParents) {
             // If this is a new ancestor, add it.
             if (setAncestors.count(phash) == 0) {
                 parentHashes.insert(phash);
@@ -222,13 +222,13 @@ void CTxMemPool::UpdateAncestorsOf(bool add, txiter it, setEntries &setAncestors
 {
     setEntries parentIters = GetMemPoolParents(it);
     // add or remove this tx as a child of each parent
-    BOOST_FOREACH(txiter piter, parentIters) {
+    for (txiter piter : parentIters) {
         UpdateChild(piter, it, add);
     }
     const int64_t updateCount = (add ? 1 : -1);
     const int64_t updateSize = updateCount * it->GetTxSize();
     const CAmount updateFee = updateCount * it->GetModifiedFee();
-    BOOST_FOREACH(txiter ancestorIt, setAncestors) {
+    for (txiter ancestorIt : setAncestors) {
         mapTx.modify(ancestorIt, update_descendant_state(updateSize, updateFee, updateCount));
     }
 }
@@ -239,7 +239,7 @@ void CTxMemPool::UpdateEntryForAncestors(txiter it, const setEntries &setAncesto
     int64_t updateSize = 0;
     CAmount updateFee = 0;
     int updateSigOps = 0;
-    BOOST_FOREACH(txiter ancestorIt, setAncestors) {
+    for (txiter ancestorIt : setAncestors) {
         updateSize += ancestorIt->GetTxSize();
         updateFee += ancestorIt->GetModifiedFee();
         updateSigOps += ancestorIt->GetSigOpCount();
@@ -250,7 +250,7 @@ void CTxMemPool::UpdateEntryForAncestors(txiter it, const setEntries &setAncesto
 void CTxMemPool::UpdateChildrenForRemoval(txiter it)
 {
     const setEntries &setMemPoolChildren = GetMemPoolChildren(it);
-    BOOST_FOREACH(txiter updateIt, setMemPoolChildren) {
+    for (txiter updateIt : setMemPoolChildren) {
         UpdateParent(updateIt, it, false);
     }
 }
@@ -267,19 +267,19 @@ void CTxMemPool::UpdateForRemoveFromMempool(const setEntries &entriesToRemove, b
         // Here we only update statistics and not data in mapLinks (which
         // we need to preserve until we're finished with all operations that
         // need to traverse the mempool).
-        BOOST_FOREACH(txiter removeIt, entriesToRemove) {
+        for (txiter removeIt : entriesToRemove) {
             setEntries setDescendants;
             CalculateDescendants(removeIt, setDescendants);
             setDescendants.erase(removeIt); // don't update state for self
             int64_t modifySize = -((int64_t)removeIt->GetTxSize());
             CAmount modifyFee = -removeIt->GetModifiedFee();
             int modifySigOps = -removeIt->GetSigOpCount();
-            BOOST_FOREACH(txiter dit, setDescendants) {
+            for (txiter dit : setDescendants) {
                 mapTx.modify(dit, update_ancestor_state(modifySize, modifyFee, -1, modifySigOps));
             }
         }
     }
-    BOOST_FOREACH(txiter removeIt, entriesToRemove) {
+    for (txiter removeIt : entriesToRemove) {
         setEntries setAncestors;
         const CTxMemPoolEntry &entry = *removeIt;
         std::string dummy;
@@ -308,7 +308,7 @@ void CTxMemPool::UpdateForRemoveFromMempool(const setEntries &entriesToRemove, b
     // After updating all the ancestor sizes, we can now sever the link between each
     // transaction being removed and any mempool children (ie, update setMemPoolParents
     // for each direct child of a transaction being removed).
-    BOOST_FOREACH(txiter removeIt, entriesToRemove) {
+    for (txiter removeIt : entriesToRemove) {
         UpdateChildrenForRemoval(removeIt);
     }
 }
@@ -402,7 +402,7 @@ bool CTxMemPool::addUnchecked(const uint256& hash, const CTxMemPoolEntry &entry,
     // to clean up the mess we're leaving here.
 
     // Update ancestors with information about this tx
-    BOOST_FOREACH (const uint256 &phash, setParentTransactions) {
+    for (const uint256 &phash : setParentTransactions) {
         txiter pit = mapTx.find(phash);
         if (pit != mapTx.end()) {
             UpdateParent(newit, pit, true);
@@ -628,7 +628,7 @@ void CTxMemPool::removeUnchecked(txiter it, MemPoolRemovalReason reason)
 {
     NotifyEntryRemoved(it->GetSharedTx(), reason);
     const uint256 hash = it->GetTx().GetHash();
-    BOOST_FOREACH(const CTxIn& txin, it->GetTx().vin)
+    for (const CTxIn& txin : it->GetTx().vin)
         mapNextTx.erase(txin.prevout);
 
     if (vTxHashes.size() > 1) {
@@ -717,7 +717,7 @@ void CTxMemPool::CalculateDescendants(txiter entryit, setEntries &setDescendants
         stage.erase(it);
 
         const setEntries &setChildren = GetMemPoolChildren(it);
-        BOOST_FOREACH(const txiter &childiter, setChildren) {
+        for (const txiter &childiter : setChildren) {
             if (!setDescendants.count(childiter)) {
                 stage.insert(childiter);
             }
@@ -749,7 +749,7 @@ void CTxMemPool::removeRecursive(const CTransaction &origTx, MemPoolRemovalReaso
             }
         }
         setEntries setAllRemoves;
-        BOOST_FOREACH(txiter it, txToRemove) {
+        for (txiter it : txToRemove) {
             CalculateDescendants(it, setAllRemoves);
         }
 
@@ -771,7 +771,7 @@ void CTxMemPool::removeForReorg(const CCoinsViewCache *pcoins, unsigned int nMem
             // So it's critical that we remove the tx and not depend on the LockPoints.
             txToRemove.insert(it);
         } else if (it->GetSpendsCoinbase()) {
-            BOOST_FOREACH(const CTxIn& txin, tx.vin) {
+            for (const CTxIn& txin : tx.vin) {
                 indexed_transaction_set::const_iterator it2 = mapTx.find(txin.prevout.hash);
                 if (it2 != mapTx.end())
                     continue;
@@ -798,7 +798,7 @@ void CTxMemPool::removeConflicts(const CTransaction &tx)
 {
     // Remove transactions which depend on inputs of tx, recursively
     LOCK(cs);
-    BOOST_FOREACH(const CTxIn &txin, tx.vin) {
+    for (const CTxIn &txin : tx.vin) {
         auto it = mapNextTx.find(txin.prevout);
         if (it != mapNextTx.end()) {
             const CTransaction &txConflict = *it->second;
@@ -1035,7 +1035,7 @@ void CTxMemPool::check(const CCoinsViewCache *pcoins) const
         setEntries setParentCheck;
         int64_t parentSizes = 0;
         unsigned int parentSigOpCount = 0;
-        BOOST_FOREACH(const CTxIn &txin, tx.vin) {
+        for (const CTxIn &txin : tx.vin) {
             // Check that every mempool transaction's inputs refer to available coins, or other mempool tx's.
             indexed_transaction_set::const_iterator it2 = mapTx.find(txin.prevout.hash);
             if (it2 != mapTx.end()) {
@@ -1067,7 +1067,7 @@ void CTxMemPool::check(const CCoinsViewCache *pcoins) const
         CAmount nFeesCheck = it->GetModifiedFee();
         unsigned int nSigOpCheck = it->GetSigOpCount();
 
-        BOOST_FOREACH(txiter ancestorIt, setAncestors) {
+        for (txiter ancestorIt : setAncestors) {
             nSizeCheck += ancestorIt->GetTxSize();
             nFeesCheck += ancestorIt->GetModifiedFee();
             nSigOpCheck += ancestorIt->GetSigOpCount();
@@ -1329,14 +1329,14 @@ void CTxMemPool::PrioritiseTransaction(const uint256& hash, const CAmount& nFeeD
             uint64_t nNoLimit = std::numeric_limits<uint64_t>::max();
             std::string dummy;
             CalculateMemPoolAncestors(*it, setAncestors, nNoLimit, nNoLimit, nNoLimit, nNoLimit, dummy, false);
-            BOOST_FOREACH(txiter ancestorIt, setAncestors) {
+            for (txiter ancestorIt : setAncestors) {
                 mapTx.modify(ancestorIt, update_descendant_state(0, nFeeDelta, 0));
             }
             // Now update all descendants' modified fees with ancestors
             setEntries setDescendants;
             CalculateDescendants(it, setDescendants);
             setDescendants.erase(it);
-            BOOST_FOREACH(txiter descendantIt, setDescendants) {
+            for (txiter descendantIt : setDescendants) {
                 mapTx.modify(descendantIt, update_ancestor_state(0, nFeeDelta, 0, 0));
             }
             ++nTransactionsUpdated;
@@ -1396,7 +1396,7 @@ size_t CTxMemPool::DynamicMemoryUsage() const {
 void CTxMemPool::RemoveStaged(setEntries &stage, bool updateDescendants, MemPoolRemovalReason reason) {
     AssertLockHeld(cs);
     UpdateForRemoveFromMempool(stage, updateDescendants);
-    BOOST_FOREACH(const txiter& it, stage) {
+    for (const txiter& it : stage) {
         removeUnchecked(it, reason);
     }
 }
@@ -1415,7 +1415,7 @@ int CTxMemPool::Expire(int64_t time) {
         it++;
     }
     setEntries stage;
-    BOOST_FOREACH(txiter removeit, toremove) {
+    for (txiter removeit : toremove) {
         CalculateDescendants(removeit, stage);
     }
     RemoveStaged(stage, false, MemPoolRemovalReason::EXPIRY);
@@ -1524,13 +1524,13 @@ void CTxMemPool::TrimToSize(size_t sizelimit, std::vector<COutPoint>* pvNoSpends
         std::vector<CTransaction> txn;
         if (pvNoSpendsRemaining) {
             txn.reserve(stage.size());
-            BOOST_FOREACH(txiter iter, stage)
+            for (txiter iter : stage)
                 txn.push_back(iter->GetTx());
         }
         RemoveStaged(stage, false, MemPoolRemovalReason::SIZELIMIT);
         if (pvNoSpendsRemaining) {
-            BOOST_FOREACH(const CTransaction& tx, txn) {
-                BOOST_FOREACH(const CTxIn& txin, tx.vin) {
+            for (const CTransaction& tx : txn) {
+                for (const CTxIn& txin : tx.vin) {
                     if (exists(txin.prevout.hash)) continue;
                     pvNoSpendsRemaining->push_back(txin.prevout);
                 }
diff --git a/src/validation.cpp b/src/validation.cpp
index 969d24211..2509da14d 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -177,7 +177,7 @@ namespace {
 CBlockIndex* FindForkInGlobalIndex(const CChain& chain, const CBlockLocator& locator)
 {
     // Find the first block the caller has in the main chain
-    BOOST_FOREACH(const uint256& hash, locator.vHave) {
+    for (const uint256& hash : locator.vHave) {
         BlockMap::iterator mi = mapBlockIndex.find(hash);
         if (mi != mapBlockIndex.end())
         {
@@ -411,7 +411,7 @@ bool CheckSequenceLocks(const CTransaction &tx, int flags, LockPoints* lp, bool
             // lock on a mempool input, so we can use the return value of
             // CheckSequenceLocks to indicate the LockPoints validity
             int maxInputHeight = 0;
-            BOOST_FOREACH(int height, prevheights) {
+            for (int height : prevheights) {
                 // Can ignore mempool inputs since we'll fail if they had non-zero locks
                 if (height != tip->nHeight+1) {
                     maxInputHeight = std::max(maxInputHeight, height);
@@ -579,7 +579,7 @@ static void LimitMempoolSize(CTxMemPool& pool, size_t limit, unsigned long age)
 
     std::vector<COutPoint> vNoSpendsRemaining;
     pool.TrimToSize(limit, &vNoSpendsRemaining);
-    BOOST_FOREACH(const COutPoint& removed, vNoSpendsRemaining)
+    for (const COutPoint& removed : vNoSpendsRemaining)
         pcoinsTip->Uncache(removed);
 }
 
@@ -709,7 +709,7 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
     // Check for conflicts with in-memory transactions
     {
     LOCK(pool.cs); // protect pool.mapNextTx
-    BOOST_FOREACH(const CTxIn &txin, tx.vin)
+    for (const CTxIn &txin : tx.vin)
     {
         auto itConflicting = pool.mapNextTx.find(txin.prevout);
         if (itConflicting != pool.mapNextTx.end())
@@ -746,7 +746,7 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
         }
 
         // do all inputs exist?
-        BOOST_FOREACH(const CTxIn txin, tx.vin) {
+        for (const CTxIn txin : tx.vin) {
             if (!pcoinsTip->HaveCoinInCache(txin.prevout)) {
                 coins_to_uncache.push_back(txin.prevout);
             }
@@ -791,7 +791,7 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
         // Keep track of transactions that spend a coinbase, which we re-scan
         // during reorgs to ensure COINBASE_MATURITY is still met.
         bool fSpendsCoinbase = false;
-        BOOST_FOREACH(const CTxIn &txin, tx.vin) {
+        for (const CTxIn &txin : tx.vin) {
             const Coin &coin = view.AccessCoin(txin.prevout);
             if (coin.IsCoinBase()) {
                 fSpendsCoinbase = true;
@@ -913,7 +913,7 @@ static bool AcceptToMemoryPoolWithTime(const CChainParams& chainparams, CTxMemPo
     bool res = AcceptToMemoryPoolWorker(chainparams, pool, state, tx, fLimitFree, pfMissingInputs, nAcceptTime, fOverrideMempoolLimit, nAbsurdFee, coins_to_uncache, fDryRun);
     if (!res || fDryRun) {
         if(!res) LogPrint(BCLog::MEMPOOL, "%s: %s %s (%s)\n", __func__, tx->GetHash().ToString(), state.GetRejectReason(), state.GetDebugMessage());
-        BOOST_FOREACH(const COutPoint& hashTx, coins_to_uncache)
+        for (const COutPoint& hashTx : coins_to_uncache)
             pcoinsTip->Uncache(hashTx);
     }
     // After we've (potentially) uncached entries, ensure our coins cache is still within its size limits
@@ -1355,7 +1355,7 @@ void UpdateCoins(const CTransaction& tx, CCoinsViewCache& inputs, CTxUndo &txund
     // mark inputs spent
     if (!tx.IsCoinBase()) {
         txundo.vprevout.reserve(tx.vin.size());
-        BOOST_FOREACH(const CTxIn &txin, tx.vin) {
+        for (const CTxIn &txin : tx.vin) {
             txundo.vprevout.emplace_back();
             bool is_spent = inputs.SpendCoin(txin.prevout, &txundo.vprevout.back());
             assert(is_spent);
@@ -3710,7 +3710,7 @@ bool TestBlockValidity(CValidationState& state, const CChainParams& chainparams,
 static uint64_t CalculateCurrentUsage()
 {
     uint64_t retval = 0;
-    BOOST_FOREACH(const CBlockFileInfo &file, vinfoBlockFile) {
+    for (const CBlockFileInfo &file : vinfoBlockFile) {
         retval += file.nSize + file.nUndoSize;
     }
     return retval;
@@ -3929,7 +3929,7 @@ bool static LoadBlockIndexDB(const CChainParams& chainparams)
     // Calculate nChainWork
     std::vector<std::pair<int, CBlockIndex*> > vSortedByHeight;
     vSortedByHeight.reserve(mapBlockIndex.size());
-    BOOST_FOREACH(const PAIRTYPE(uint256, CBlockIndex*)& item, mapBlockIndex)
+    for (const PAIRTYPE(uint256, CBlockIndex*)& item : mapBlockIndex)
     {
         CBlockIndex* pindex = item.second;
         vSortedByHeight.push_back(std::make_pair(pindex->nHeight, pindex));
@@ -3940,7 +3940,7 @@ bool static LoadBlockIndexDB(const CChainParams& chainparams)
         }
     }
     sort(vSortedByHeight.begin(), vSortedByHeight.end());
-    BOOST_FOREACH(const PAIRTYPE(int, CBlockIndex*)& item, vSortedByHeight)
+    for (const PAIRTYPE(int, CBlockIndex*)& item : vSortedByHeight)
     {
         CBlockIndex* pindex = item.second;
         pindex->nChainWork = (pindex->pprev ? pindex->pprev->nChainWork : 0) + GetBlockProof(*pindex);
@@ -3989,7 +3989,7 @@ bool static LoadBlockIndexDB(const CChainParams& chainparams)
     // Check presence of blk files
     LogPrintf("Checking all blk files are present...\n");
     std::set<int> setBlkDataFiles;
-    BOOST_FOREACH(const PAIRTYPE(uint256, CBlockIndex*)& item, mapBlockIndex)
+    for (const PAIRTYPE(uint256, CBlockIndex*)& item : mapBlockIndex)
     {
         CBlockIndex* pindex = item.second;
         if (pindex->nStatus & BLOCK_HAVE_DATA) {
@@ -4176,7 +4176,7 @@ void UnloadBlockIndex()
         warningcache[b].clear();
     }
 
-    BOOST_FOREACH(BlockMap::value_type& entry, mapBlockIndex) {
+    for (BlockMap::value_type& entry : mapBlockIndex) {
         delete entry.second;
     }
     mapBlockIndex.clear();
diff --git a/src/wallet/crypter.cpp b/src/wallet/crypter.cpp
index 3e50059e6..1f54d7430 100644
--- a/src/wallet/crypter.cpp
+++ b/src/wallet/crypter.cpp
@@ -348,7 +348,7 @@ bool CCryptoKeyStore::EncryptKeys(CKeyingMaterial& vMasterKeyIn)
             return false;
 
         fUseCrypto = true;
-        BOOST_FOREACH(KeyMap::value_type& mKey, mapKeys)
+        for (KeyMap::value_type& mKey : mapKeys)
         {
             const CKey &key = mKey.second;
             CPubKey vchPubKey = key.GetPubKey();
diff --git a/src/wallet/db.cpp b/src/wallet/db.cpp
index 67f9f223f..24f805562 100644
--- a/src/wallet/db.cpp
+++ b/src/wallet/db.cpp
@@ -204,7 +204,7 @@ bool CDB::Recover(const std::string& filename, void *callbackDataIn, bool (*reco
     }
 
     DbTxn* ptxn = bitdb.TxnBegin();
-    BOOST_FOREACH(CDBEnv::KeyValPair& row, salvagedData)
+    for (CDBEnv::KeyValPair& row : salvagedData)
     {
         if (recoverKVcallback)
         {
diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp
index 8b5ccb97c..05af581dc 100644
--- a/src/wallet/rpcdump.cpp
+++ b/src/wallet/rpcdump.cpp
@@ -48,7 +48,7 @@ int64_t static DecodeDumpTime(const std::string &str) {
 
 std::string static EncodeDumpString(const std::string &str) {
     std::stringstream ret;
-    BOOST_FOREACH(unsigned char c, str) {
+    for (unsigned char c : str) {
         if (c <= 32 || c >= 128 || c == '%') {
             ret << '%' << HexStr(&c, &c + 1);
         } else {
@@ -1311,7 +1311,7 @@ UniValue importmulti(const JSONRPCRequest& mainRequest)
 
     UniValue response(UniValue::VARR);
 
-    BOOST_FOREACH (const UniValue& data, requests.getValues()) {
+    for (const UniValue& data : requests.getValues()) {
         const int64_t timestamp = std::max(GetImportTimestamp(data, now), minimumTimestamp);
         const UniValue result = ProcessImport(pwallet, data, timestamp);
         response.push_back(result);
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 39a8267c8..0e668d726 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -86,13 +86,13 @@ void WalletTxToJSON(const CWalletTx& wtx, UniValue& entry)
     uint256 hash = wtx.GetHash();
     entry.push_back(Pair("txid", hash.GetHex()));
     UniValue conflicts(UniValue::VARR);
-    BOOST_FOREACH(const uint256& conflict, wtx.GetConflicts())
+    for (const uint256& conflict : wtx.GetConflicts())
         conflicts.push_back(conflict.GetHex());
     entry.push_back(Pair("walletconflicts", conflicts));
     entry.push_back(Pair("time", wtx.GetTxTime()));
     entry.push_back(Pair("timereceived", (int64_t)wtx.nTimeReceived));
 
-    BOOST_FOREACH(const PAIRTYPE(std::string, std::string)& item, wtx.mapValue)
+    for (const PAIRTYPE(std::string, std::string)& item : wtx.mapValue)
         entry.push_back(Pair(item.first, item.second));
 }
 
@@ -503,7 +503,7 @@ UniValue listaddressgroupings(const JSONRPCRequest& request)
     std::map<CTxDestination, CAmount> balances = pwallet->GetAddressBalances();
     for (std::set<CTxDestination> grouping : pwallet->GetAddressGroupings()) {
         UniValue jsonGrouping(UniValue::VARR);
-        BOOST_FOREACH(CTxDestination address, grouping)
+        for (CTxDestination address : grouping)
         {
             UniValue addressInfo(UniValue::VARR);
             addressInfo.push_back(CBitcoinAddress(address).ToString());
@@ -673,7 +673,7 @@ UniValue getreceivedbyaddress(const JSONRPCRequest& request)
         if (wtx.IsCoinBase() || !CheckFinalTx(*wtx.tx))
             continue;
 
-        BOOST_FOREACH(const CTxOut& txout, wtx.tx->vout)
+        for (const CTxOut& txout : wtx.tx->vout)
             if (txout.scriptPubKey == scriptPubKey)
                 if ((wtx.GetDepthInMainChain() >= nMinDepth) || (fAddLocked && wtx.IsLockedByInstantSend()))
                     nAmount += txout.nValue;
@@ -730,7 +730,7 @@ UniValue getreceivedbyaccount(const JSONRPCRequest& request)
         if (wtx.IsCoinBase() || !CheckFinalTx(*wtx.tx))
             continue;
 
-        BOOST_FOREACH(const CTxOut& txout, wtx.tx->vout)
+        for (const CTxOut& txout : wtx.tx->vout)
         {
             CTxDestination address;
             if (ExtractDestination(txout.scriptPubKey, address) && IsMine(*pwallet, address) && setAddress.count(address)) {
@@ -1004,7 +1004,7 @@ UniValue sendmany(const JSONRPCRequest& request)
 
     CAmount totalAmount = 0;
     std::vector<std::string> keys = sendTo.getKeys();
-    BOOST_FOREACH(const std::string& name_, keys)
+    for (const std::string& name_ : keys)
     {
         CBitcoinAddress address(name_);
         if (!address.IsValid())
@@ -1158,7 +1158,7 @@ UniValue ListReceived(CWallet * const pwallet, const UniValue& params, bool fByA
         if ((nDepth < nMinDepth) && !(fAddLocked && wtx.IsLockedByInstantSend()))
             continue;
 
-        BOOST_FOREACH(const CTxOut& txout, wtx.tx->vout)
+        for (const CTxOut& txout : wtx.tx->vout)
         {
             CTxDestination address;
             if (!ExtractDestination(txout.scriptPubKey, address))
@@ -1222,7 +1222,7 @@ UniValue ListReceived(CWallet * const pwallet, const UniValue& params, bool fByA
             UniValue transactions(UniValue::VARR);
             if (it != mapTally.end())
             {
-                BOOST_FOREACH(const uint256& _item, (*it).second.txids)
+                for (const uint256& _item : (*it).second.txids)
                 {
                     transactions.push_back(_item.GetHex());
                 }
@@ -1360,7 +1360,7 @@ void ListTransactions(CWallet * const pwallet, const CWalletTx& wtx, const std::
     // Sent
     if ((!listSent.empty() || nFee != 0) && (fAllAccounts || strAccount == strSentAccount))
     {
-        BOOST_FOREACH(const COutputEntry& s, listSent)
+        for (const COutputEntry& s : listSent)
         {
             UniValue entry(UniValue::VOBJ);
             if (involvesWatchonly || (::IsMine(*pwallet, s.destination) & ISMINE_WATCH_ONLY)) {
@@ -1386,7 +1386,7 @@ void ListTransactions(CWallet * const pwallet, const CWalletTx& wtx, const std::
     // Received
     if (listReceived.size() > 0 && ((wtx.GetDepthInMainChain() >= nMinDepth) || wtx.IsLockedByInstantSend()))
     {
-        BOOST_FOREACH(const COutputEntry& r, listReceived)
+        for (const COutputEntry& r : listReceived)
         {
             std::string account;
             if (pwallet->mapAddressBook.count(r.destination)) {
@@ -1634,11 +1634,11 @@ UniValue listaccounts(const JSONRPCRequest& request)
             continue;
         wtx.GetAmounts(listReceived, listSent, nFee, strSentAccount, includeWatchonly);
         mapAccountBalances[strSentAccount] -= nFee;
-        BOOST_FOREACH(const COutputEntry& s, listSent)
+        for (const COutputEntry& s : listSent)
             mapAccountBalances[strSentAccount] -= s.amount;
         if ((nDepth >= nMinDepth) || (fAddLocked && wtx.IsLockedByInstantSend()))
         {
-            BOOST_FOREACH(const COutputEntry& r, listReceived)
+            for (const COutputEntry& r : listReceived)
                 if (pwallet->mapAddressBook.count(r.destination)) {
                     mapAccountBalances[pwallet->mapAddressBook[r.destination].name] += r.amount;
                 }
@@ -1648,11 +1648,11 @@ UniValue listaccounts(const JSONRPCRequest& request)
     }
 
     const std::list<CAccountingEntry> & acentries = pwallet->laccentries;
-    BOOST_FOREACH(const CAccountingEntry& entry, acentries)
+    for (const CAccountingEntry& entry : acentries)
         mapAccountBalances[entry.strAccount] += entry.nCreditDebit;
 
     UniValue ret(UniValue::VOBJ);
-    BOOST_FOREACH(const PAIRTYPE(std::string, CAmount)& accountBalance, mapAccountBalances) {
+    for (const PAIRTYPE(std::string, CAmount)& accountBalance : mapAccountBalances) {
         ret.push_back(Pair(accountBalance.first, ValueFromAmount(accountBalance.second)));
     }
     return ret;
@@ -2327,7 +2327,7 @@ UniValue listlockunspent(const JSONRPCRequest& request)
 
     UniValue ret(UniValue::VARR);
 
-    BOOST_FOREACH(COutPoint &outpt, vOutpts) {
+    for (COutPoint &outpt : vOutpts) {
         UniValue o(UniValue::VOBJ);
 
         o.push_back(Pair("txid", outpt.hash.GetHex()));
@@ -2583,7 +2583,7 @@ UniValue resendwallettransactions(const JSONRPCRequest& request)
 
     std::vector<uint256> txids = pwallet->ResendWalletTransactionsBefore(GetTime(), g_connman.get());
     UniValue result(UniValue::VARR);
-    BOOST_FOREACH(const uint256& txid, txids)
+    for (const uint256& txid : txids)
     {
         result.push_back(txid.ToString());
     }
@@ -2709,7 +2709,7 @@ UniValue listunspent(const JSONRPCRequest& request)
     LOCK2(cs_main, pwallet->cs_wallet);
 
     pwallet->AvailableCoins(vecOutputs, !include_unsafe, NULL, nMinimumAmount, nMaximumAmount, nMinimumSumAmount, nMaximumCount, nMinDepth, nMaxDepth);
-    BOOST_FOREACH(const COutput& out, vecOutputs) {
+    for (const COutput& out : vecOutputs) {
         CTxDestination address;
         const CScript& scriptPubKey = out.tx->tx->vout[out.i].scriptPubKey;
         bool fValidAddress = ExtractDestination(scriptPubKey, address);
diff --git a/src/wallet/test/accounting_tests.cpp b/src/wallet/test/accounting_tests.cpp
index eb14d176b..927aa980c 100644
--- a/src/wallet/test/accounting_tests.cpp
+++ b/src/wallet/test/accounting_tests.cpp
@@ -23,7 +23,7 @@ GetResults(std::map<CAmount, CAccountingEntry>& results)
     results.clear();
     BOOST_CHECK(pwalletMain->ReorderTransactions() == DB_LOAD_OK);
     pwalletMain->ListAccountCreditDebit("", aes);
-    BOOST_FOREACH(CAccountingEntry& ae, aes)
+    for (CAccountingEntry& ae : aes)
     {
         results[ae.nOrderPos] = ae;
     }
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 976d55f7b..065dadf7a 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -436,7 +436,7 @@ bool CWallet::Unlock(const SecureString& strWalletPassphrase, bool fForMixingOnl
 
     {
         LOCK(cs_wallet);
-        BOOST_FOREACH(const MasterKeyMap::value_type& pMasterKey, mapMasterKeys)
+        for (const MasterKeyMap::value_type& pMasterKey : mapMasterKeys)
         {
             if (!crypter.SetKeyFromPassphrase(strWalletPassphraseFinal, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
                 return false;
@@ -481,7 +481,7 @@ bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase,
 
         CCrypter crypter;
         CKeyingMaterial _vMasterKey;
-        BOOST_FOREACH(MasterKeyMap::value_type& pMasterKey, mapMasterKeys)
+        for (MasterKeyMap::value_type& pMasterKey : mapMasterKeys)
         {
             if(!crypter.SetKeyFromPassphrase(strOldWalletPassphraseFinal, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
                 return false;
@@ -585,7 +585,7 @@ std::set<uint256> CWallet::GetConflicts(const uint256& txid) const
 
     std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
 
-    BOOST_FOREACH(const CTxIn& txin, wtx.tx->vin)
+    for (const CTxIn& txin : wtx.tx->vin)
     {
         if (mapTxSpends.count(txin.prevout) <= 1)
             continue;  // No conflict if zero or one spends
@@ -711,7 +711,7 @@ void CWallet::AddToSpends(const uint256& wtxid)
     if (thisTx.IsCoinBase()) // Coinbases don't spend anything!
         return;
 
-    BOOST_FOREACH(const CTxIn& txin, thisTx.tx->vin)
+    for (const CTxIn& txin : thisTx.tx->vin)
         AddToSpends(txin.prevout, wtxid);
 }
 
@@ -858,7 +858,7 @@ DBErrors CWallet::ReorderTransactions()
     }
     std::list<CAccountingEntry> acentries;
     walletdb.ListAccountCreditDebit("", acentries);
-    BOOST_FOREACH(CAccountingEntry& entry, acentries)
+    for (CAccountingEntry& entry : acentries)
     {
         txByTime.insert(std::make_pair(entry.nTime, TxPair((CWalletTx*)0, &entry)));
     }
@@ -888,7 +888,7 @@ DBErrors CWallet::ReorderTransactions()
         else
         {
             int64_t nOrderPosOff = 0;
-            BOOST_FOREACH(const int64_t& nOffsetStart, nOrderPosOffsets)
+            for (const int64_t& nOffsetStart : nOrderPosOffsets)
             {
                 if (nOrderPos >= nOffsetStart)
                     ++nOrderPosOff;
@@ -977,7 +977,7 @@ bool CWallet::GetAccountPubkey(CPubKey &pubKey, std::string strAccount, bool bFo
             for (std::map<uint256, CWalletTx>::iterator it = mapWallet.begin();
                  it != mapWallet.end() && account.vchPubKey.IsValid();
                  ++it)
-                BOOST_FOREACH(const CTxOut& txout, (*it).second.tx->vout)
+                for (const CTxOut& txout : (*it).second.tx->vout)
                     if (txout.scriptPubKey == scriptPubKey) {
                         bForceNew = true;
                         break;
@@ -1003,7 +1003,7 @@ void CWallet::MarkDirty()
 {
     {
         LOCK(cs_wallet);
-        BOOST_FOREACH(PAIRTYPE(const uint256, CWalletTx)& item, mapWallet)
+        for (PAIRTYPE(const uint256, CWalletTx)& item : mapWallet)
             item.second.MarkDirty();
     }
 
@@ -1108,7 +1108,7 @@ bool CWallet::LoadToWallet(const CWalletTx& wtxIn)
     wtx.BindWallet(this);
     wtxOrdered.insert(std::make_pair(wtx.nOrderPos, TxPair(&wtx, (CAccountingEntry*)0)));
     AddToSpends(hash);
-    BOOST_FOREACH(const CTxIn& txin, wtx.tx->vin) {
+    for (const CTxIn& txin : wtx.tx->vin) {
         if (mapWallet.count(txin.prevout.hash)) {
             CWalletTx& prevtx = mapWallet[txin.prevout.hash];
             if (prevtx.nIndex == -1 && !prevtx.hashUnset()) {
@@ -1140,7 +1140,7 @@ bool CWallet::AddToWalletIfInvolvingMe(const CTransactionRef& ptx, const CBlockI
         AssertLockHeld(cs_wallet);
 
         if (pIndex != NULL) {
-            BOOST_FOREACH(const CTxIn& txin, tx.vin) {
+            for (const CTxIn& txin : tx.vin) {
                 std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(txin.prevout);
                 while (range.first != range.second) {
                     if (range.first->second != tx.GetHash()) {
@@ -1214,7 +1214,7 @@ bool CWallet::AbandonTransaction(const uint256& hashTx)
             }
             // If a transaction changes 'conflicted' state, that changes the balance
             // available of the outputs it spends. So force those to be recomputed
-            BOOST_FOREACH(const CTxIn& txin, wtx.tx->vin)
+            for (const CTxIn& txin : wtx.tx->vin)
             {
                 if (mapWallet.count(txin.prevout.hash))
                     mapWallet[txin.prevout.hash].MarkDirty();
@@ -1278,7 +1278,7 @@ void CWallet::MarkConflicted(const uint256& hashBlock, const uint256& hashTx)
             }
             // If a transaction changes 'conflicted' state, that changes the balance
             // available of the outputs it spends. So force those to be recomputed
-            BOOST_FOREACH(const CTxIn& txin, wtx.tx->vin)
+            for (const CTxIn& txin : wtx.tx->vin)
             {
                 if (mapWallet.count(txin.prevout.hash))
                     mapWallet[txin.prevout.hash].MarkDirty();
@@ -1299,7 +1299,7 @@ void CWallet::SyncTransaction(const CTransactionRef& ptx, const CBlockIndex *pin
     // If a transaction changes 'conflicted' state, that changes the balance
     // available of the outputs it spends. So force those to be
     // recomputed, also:
-    BOOST_FOREACH(const CTxIn& txin, tx.vin)
+    for (const CTxIn& txin : tx.vin)
     {
         if (mapWallet.count(txin.prevout.hash))
             mapWallet[txin.prevout.hash].MarkDirty();
@@ -1649,7 +1649,7 @@ bool CWallet::IsHDEnabled() const
 
 bool CWallet::IsMine(const CTransaction& tx) const
 {
-    BOOST_FOREACH(const CTxOut& txout, tx.vout)
+    for (const CTxOut& txout : tx.vout)
         if (IsMine(txout))
             return true;
     return false;
@@ -1663,7 +1663,7 @@ bool CWallet::IsFromMe(const CTransaction& tx) const
 CAmount CWallet::GetDebit(const CTransaction& tx, const isminefilter& filter) const
 {
     CAmount nDebit = 0;
-    BOOST_FOREACH(const CTxIn& txin, tx.vin)
+    for (const CTxIn& txin : tx.vin)
     {
         nDebit += GetDebit(txin, filter);
         if (!MoneyRange(nDebit))
@@ -1676,7 +1676,7 @@ bool CWallet::IsAllFromMe(const CTransaction& tx, const isminefilter& filter) co
 {
     LOCK(cs_wallet);
 
-    BOOST_FOREACH(const CTxIn& txin, tx.vin)
+    for (const CTxIn& txin : tx.vin)
     {
         auto mi = mapWallet.find(txin.prevout.hash);
         if (mi == mapWallet.end())
@@ -1696,7 +1696,7 @@ bool CWallet::IsAllFromMe(const CTransaction& tx, const isminefilter& filter) co
 CAmount CWallet::GetCredit(const CTransaction& tx, const isminefilter& filter) const
 {
     CAmount nCredit = 0;
-    BOOST_FOREACH(const CTxOut& txout, tx.vout)
+    for (const CTxOut& txout : tx.vout)
     {
         nCredit += GetCredit(txout, filter);
         if (!MoneyRange(nCredit))
@@ -1708,7 +1708,7 @@ CAmount CWallet::GetCredit(const CTransaction& tx, const isminefilter& filter) c
 CAmount CWallet::GetChange(const CTransaction& tx) const
 {
     CAmount nChange = 0;
-    BOOST_FOREACH(const CTxOut& txout, tx.vout)
+    for (const CTxOut& txout : tx.vout)
     {
         nChange += GetChange(txout);
         if (!MoneyRange(nChange))
@@ -1885,7 +1885,7 @@ void CWallet::ReacceptWalletTransactions()
     std::map<int64_t, CWalletTx*> mapSorted;
 
     // Sort pending wallet transactions based on their initial wallet insertion order
-    BOOST_FOREACH(PAIRTYPE(const uint256, CWalletTx)& item, mapWallet)
+    for (PAIRTYPE(const uint256, CWalletTx)& item : mapWallet)
     {
         const uint256& wtxid = item.first;
         CWalletTx& wtx = item.second;
@@ -1899,7 +1899,7 @@ void CWallet::ReacceptWalletTransactions()
     }
 
     // Try to add wallet transactions to memory pool
-    BOOST_FOREACH(PAIRTYPE(const int64_t, CWalletTx*)& item, mapSorted)
+    for (PAIRTYPE(const int64_t, CWalletTx*)& item : mapSorted)
     {
         CWalletTx& wtx = *(item.second);
 
@@ -2206,7 +2206,7 @@ bool CWalletTx::IsTrusted() const
         return false;
 
     // Trusted if all inputs are from us and are in the mempool:
-    BOOST_FOREACH(const CTxIn& txin, tx->vin)
+    for (const CTxIn& txin : tx->vin)
     {
         // Transactions not sent by us: not trusted
         const CWalletTx* parent = pwallet->GetWalletTx(txin.prevout.hash);
@@ -2235,7 +2235,7 @@ std::vector<uint256> CWallet::ResendWalletTransactionsBefore(int64_t nTime, CCon
     LOCK(cs_wallet);
     // Sort them in chronological order
     std::multimap<unsigned int, CWalletTx*> mapSorted;
-    BOOST_FOREACH(PAIRTYPE(const uint256, CWalletTx)& item, mapWallet)
+    for (PAIRTYPE(const uint256, CWalletTx)& item : mapWallet)
     {
         CWalletTx& wtx = item.second;
         // Don't rebroadcast if newer than nTime:
@@ -2243,7 +2243,7 @@ std::vector<uint256> CWallet::ResendWalletTransactionsBefore(int64_t nTime, CCon
             continue;
         mapSorted.insert(std::make_pair(wtx.nTimeReceived, &wtx));
     }
-    BOOST_FOREACH(PAIRTYPE(const unsigned int, CWalletTx*)& item, mapSorted)
+    for (PAIRTYPE(const unsigned int, CWalletTx*)& item : mapSorted)
     {
         CWalletTx& wtx = *item.second;
         if (wtx.RelayWalletTransaction(connman))
@@ -2729,7 +2729,7 @@ bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const int nConfMin
         LogPrint(BCLog::SELECTCOINS, "tryDenom: %d\n", tryDenom);
         vValue.clear();
         nTotalLower = 0;
-        BOOST_FOREACH(const COutput &output, vCoins)
+        for (const COutput &output : vCoins)
         {
             if (!output.fSpendable)
                 continue;
@@ -2851,7 +2851,7 @@ bool CWallet::SelectCoins(const std::vector<COutput>& vAvailableCoins, const CAm
     // coin control -> return all selected outputs (we want all selected to go into the transaction for sure)
     if (coinControl && coinControl->HasSelected() && !coinControl->fAllowOtherInputs)
     {
-        BOOST_FOREACH(const COutput& out, vCoins)
+        for (const COutput& out : vCoins)
         {
             if(!out.fSpendable)
                 continue;
@@ -2881,7 +2881,7 @@ bool CWallet::SelectCoins(const std::vector<COutput>& vAvailableCoins, const CAm
     std::vector<COutPoint> vPresetInputs;
     if (coinControl)
         coinControl->ListSelected(vPresetInputs);
-    BOOST_FOREACH(const COutPoint& outpoint, vPresetInputs)
+    for (const COutPoint& outpoint : vPresetInputs)
     {
         std::map<uint256, CWalletTx>::const_iterator it = mapWallet.find(outpoint.hash);
         if (it != mapWallet.end())
@@ -2951,7 +2951,7 @@ bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, bool ov
     coinControl.fOverrideFeeRate = overrideEstimatedFeeRate;
     coinControl.nFeeRate = specificFeeRate;
 
-    BOOST_FOREACH(const CTxIn& txin, tx.vin)
+    for (const CTxIn& txin : tx.vin)
         coinControl.Select(txin.prevout);
 
     int nExtraPayloadSize = 0;
@@ -2971,7 +2971,7 @@ bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, bool ov
         tx.vout[idx].nValue = wtx.tx->vout[idx].nValue;
 
     // Add new txins (keeping original txin scriptSig/order)
-    BOOST_FOREACH(const CTxIn& txin, wtx.tx->vin)
+    for (const CTxIn& txin : wtx.tx->vin)
     {
         if (!coinControl.IsSelected(txin.prevout))
         {
@@ -3614,7 +3614,7 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT
                 // If there was change output added before, we must update its position now
                 if (nChangePosInOut != -1) {
                     int i = 0;
-                    BOOST_FOREACH(const CTxOut& txOut, txNew.vout)
+                    for (const CTxOut& txOut : txNew.vout)
                     {
                         if (txOut == newTxOut)
                         {
@@ -3773,7 +3773,7 @@ bool CWallet::CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey, CCon
 
             // Notify that old coins are spent
             std::set<uint256> updated_hahes;
-            BOOST_FOREACH(const CTxIn& txin, wtxNew.tx->vin)
+            for (const CTxIn& txin : wtxNew.tx->vin)
             {
                 // notify only once
                 if(updated_hahes.find(txin.prevout.hash) != updated_hahes.end()) continue;
@@ -3987,7 +3987,7 @@ bool CWallet::DelAddressBook(const CTxDestination& address)
 
         // Delete destdata tuples associated with address
         std::string strAddress = CBitcoinAddress(address).ToString();
-        BOOST_FOREACH(const PAIRTYPE(std::string, std::string) &item, mapAddressBook[address].destdata)
+        for (const PAIRTYPE(std::string, std::string) &item : mapAddressBook[address].destdata)
         {
             CWalletDB(*dbw).EraseDestData(strAddress, item.first);
         }
@@ -4032,11 +4032,11 @@ bool CWallet::NewKeyPool()
     {
         LOCK(cs_wallet);
         CWalletDB walletdb(*dbw);
-        BOOST_FOREACH(int64_t nIndex, setInternalKeyPool) {
+        for (int64_t nIndex : setInternalKeyPool) {
             walletdb.ErasePool(nIndex);
         }
         setInternalKeyPool.clear();
-        BOOST_FOREACH(int64_t nIndex, setExternalKeyPool) {
+        for (int64_t nIndex : setExternalKeyPool) {
             walletdb.ErasePool(nIndex);
         }
         setExternalKeyPool.clear();
@@ -4291,7 +4291,7 @@ std::set< std::set<CTxDestination> > CWallet::GetAddressGroupings()
         {
             bool any_mine = false;
             // group all input addresses with each other
-            BOOST_FOREACH(CTxIn txin, pcoin->tx->vin)
+            for (CTxIn txin : pcoin->tx->vin)
             {
                 CTxDestination address;
                 if(!IsMine(txin)) /* If this input isn't mine, ignore it */
@@ -4305,7 +4305,7 @@ std::set< std::set<CTxDestination> > CWallet::GetAddressGroupings()
             // group change with input addresses
             if (any_mine)
             {
-               BOOST_FOREACH(CTxOut txout, pcoin->tx->vout)
+               for (CTxOut txout : pcoin->tx->vout)
                    if (IsChange(txout))
                    {
                        CTxDestination txoutAddr;
@@ -4336,18 +4336,18 @@ std::set< std::set<CTxDestination> > CWallet::GetAddressGroupings()
 
     std::set< std::set<CTxDestination>* > uniqueGroupings; // a set of pointers to groups of addresses
     std::map< CTxDestination, std::set<CTxDestination>* > setmap;  // map addresses to the unique group containing it
-    BOOST_FOREACH(std::set<CTxDestination> _grouping, groupings)
+    for (std::set<CTxDestination> _grouping : groupings)
     {
         // make a set of all the groups hit by this new group
         std::set< std::set<CTxDestination>* > hits;
         std::map< CTxDestination, std::set<CTxDestination>* >::iterator it;
-        BOOST_FOREACH(CTxDestination address, _grouping)
+        for (CTxDestination address : _grouping)
             if ((it = setmap.find(address)) != setmap.end())
                 hits.insert((*it).second);
 
         // merge all hit groups into a new single group and delete old groups
         std::set<CTxDestination>* merged = new std::set<CTxDestination>(_grouping);
-        BOOST_FOREACH(std::set<CTxDestination>* hit, hits)
+        for (std::set<CTxDestination>* hit : hits)
         {
             merged->insert(hit->begin(), hit->end());
             uniqueGroupings.erase(hit);
@@ -4356,12 +4356,12 @@ std::set< std::set<CTxDestination> > CWallet::GetAddressGroupings()
         uniqueGroupings.insert(merged);
 
         // update setmap
-        BOOST_FOREACH(CTxDestination element, *merged)
+        for (CTxDestination element : *merged)
             setmap[element] = merged;
     }
 
     std::set< std::set<CTxDestination> > ret;
-    BOOST_FOREACH(std::set<CTxDestination>* uniqueGrouping, uniqueGroupings)
+    for (std::set<CTxDestination>* uniqueGrouping : uniqueGroupings)
     {
         ret.insert(*uniqueGrouping);
         delete uniqueGrouping;
@@ -4374,7 +4374,7 @@ std::set<CTxDestination> CWallet::GetAccountAddresses(const std::string& strAcco
 {
     LOCK(cs_wallet);
     std::set<CTxDestination> result;
-    BOOST_FOREACH(const PAIRTYPE(CTxDestination, CAddressBookData)& item, mapAddressBook)
+    for (const PAIRTYPE(CTxDestination, CAddressBookData)& item : mapAddressBook)
     {
         const CTxDestination& address = item.first;
         const std::string& strName = item.second.name;
@@ -4423,7 +4423,7 @@ void CReserveKey::ReturnKey()
 
 static void LoadReserveKeysToSet(std::set<CKeyID>& setAddress, const std::set<int64_t>& setKeyPool, CWalletDB& walletdb)
 {
-    BOOST_FOREACH(const int64_t& id, setKeyPool)
+    for (const int64_t& id : setKeyPool)
     {
         CKeyPool keypool;
         if (!walletdb.ReadPool(id, keypool))
@@ -4444,7 +4444,7 @@ void CWallet::GetAllReserveKeys(std::set<CKeyID>& setAddress) const
     LoadReserveKeysToSet(setAddress, setInternalKeyPool, walletdb);
     LoadReserveKeysToSet(setAddress, setExternalKeyPool, walletdb);
 
-    BOOST_FOREACH (const CKeyID& keyID, setAddress) {
+    for (const CKeyID& keyID : setAddress) {
         if (!HaveKey(keyID)) {
             throw std::runtime_error(std::string(__func__) + ": unknown key in key pool");
         }
@@ -4538,7 +4538,7 @@ public:
         std::vector<CTxDestination> vDest;
         int nRequired;
         if (ExtractDestinations(script, type, vDest, nRequired)) {
-            BOOST_FOREACH(const CTxDestination &dest, vDest)
+            for (const CTxDestination &dest : vDest)
                 boost::apply_visitor(*this, dest);
         }
     }
@@ -4573,7 +4573,7 @@ void CWallet::GetKeyBirthTimes(std::map<CTxDestination, int64_t> &mapKeyBirth) c
     std::map<CKeyID, CBlockIndex*> mapKeyFirstBlock;
     std::set<CKeyID> setKeys;
     GetKeys(setKeys);
-    BOOST_FOREACH(const CKeyID &keyid, setKeys) {
+    for (const CKeyID &keyid : setKeys) {
         if (mapKeyBirth.count(keyid) == 0)
             mapKeyFirstBlock[keyid] = pindexMax;
     }
@@ -4592,10 +4592,10 @@ void CWallet::GetKeyBirthTimes(std::map<CTxDestination, int64_t> &mapKeyBirth) c
         if (blit != mapBlockIndex.end() && chainActive.Contains(blit->second)) {
             // ... which are already in a block
             int nHeight = blit->second->nHeight;
-            BOOST_FOREACH(const CTxOut &txout, wtx.tx->vout) {
+            for (const CTxOut &txout : wtx.tx->vout) {
                 // iterate over all their outputs
                 CAffectedKeysVisitor(*this, vAffected).Process(txout.scriptPubKey);
-                BOOST_FOREACH(const CKeyID &keyid, vAffected) {
+                for (const CKeyID &keyid : vAffected) {
                     // ... and all their affected keys
                     std::map<CKeyID, CBlockIndex*>::iterator rit = mapKeyFirstBlock.find(keyid);
                     if (rit != mapKeyFirstBlock.end() && nHeight < rit->second->nHeight)
@@ -4934,7 +4934,7 @@ CWallet* CWallet::CreateWalletFromFile(const std::string walletFile)
         {
             CWalletDB walletdb(*walletInstance->dbw);
 
-            BOOST_FOREACH(const CWalletTx& wtxOld, vWtx)
+            for (const CWalletTx& wtxOld : vWtx)
             {
                 uint256 hash = wtxOld.GetHash();
                 std::map<uint256, CWalletTx>::iterator mi = walletInstance->mapWallet.find(hash);
diff --git a/src/wallet/walletdb.cpp b/src/wallet/walletdb.cpp
index ec6871036..a2d0a2fc0 100644
--- a/src/wallet/walletdb.cpp
+++ b/src/wallet/walletdb.cpp
@@ -208,7 +208,7 @@ CAmount CWalletDB::GetAccountCreditDebit(const std::string& strAccount)
     ListAccountCreditDebit(strAccount, entries);
 
     CAmount nCreditDebit = 0;
-    BOOST_FOREACH (const CAccountingEntry& entry, entries)
+    for (const CAccountingEntry& entry : entries)
         nCreditDebit += entry.nCreditDebit;
 
     return nCreditDebit;
@@ -668,7 +668,7 @@ DBErrors CWalletDB::LoadWallet(CWallet* pwallet)
     if ((wss.nKeys + wss.nCKeys + wss.nWatchKeys) != wss.nKeyMeta)
         pwallet->UpdateTimeFirstKey(1);
 
-    BOOST_FOREACH(uint256 hash, wss.vWalletUpgrade)
+    for (uint256 hash : wss.vWalletUpgrade)
         WriteTx(pwallet->mapWallet[hash]);
 
     // Rewrite encrypted wallets of versions 0.4.0 and 0.5.0rc:
@@ -683,7 +683,7 @@ DBErrors CWalletDB::LoadWallet(CWallet* pwallet)
 
     pwallet->laccentries.clear();
     ListAccountCreditDebit("*", pwallet->laccentries);
-    BOOST_FOREACH(CAccountingEntry& entry, pwallet->laccentries) {
+    for (CAccountingEntry& entry : pwallet->laccentries) {
         pwallet->wtxOrdered.insert(make_pair(entry.nOrderPos, CWallet::TxPair((CWalletTx*)0, &entry)));
     }
 
@@ -769,7 +769,7 @@ DBErrors CWalletDB::ZapSelectTx(std::vector<uint256>& vTxHashIn, std::vector<uin
     // erase each matching wallet TX
     bool delerror = false;
     std::vector<uint256>::iterator it = vTxHashIn.begin();
-    BOOST_FOREACH (uint256 hash, vTxHash) {
+    for (uint256 hash : vTxHash) {
         while (it < vTxHashIn.end() && (*it) < hash) {
             it++;
         }
@@ -800,7 +800,7 @@ DBErrors CWalletDB::ZapWalletTx(std::vector<CWalletTx>& vWtx)
         return err;
 
     // erase each wallet TX
-    BOOST_FOREACH (uint256& hash, vTxHash) {
+    for (uint256& hash : vTxHash) {
         if (!EraseTx(hash))
             return DB_CORRUPT;
     }