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## Issue being fixed or feature implemented HD wallets are old-existsing feature, appeared in Dash years ago, but enabling HD wallets is not trivial task that requires multiple steps and command line/rpc calls. Let's have them enabled by default. ## What was done? - HD wallets are enabled by default. Currently behavior `dashd`, `dash-qt` are similar to run with option `-usehd=1` - the rpc `upgradewallet` do not let to upgrade from non-HD wallet to HD wallet to don't encourage user use non-crypted wallets (postponed till v21) - the initialization of ScriptPubKey is updated to be sure that encypted HD seed is never written on disk (if passphrase is provided) - enabled and dashified a script `wallet_upgradewallet.py` which test compatibility between different versions of wallet ## What is not done? - wallet tool still does not support passhprase, HD seed can appear on disk - there's no dialog that show user a mnemonic phrase and encourage him to make a paper backup Before removing a command line 'usehd' (backport bitcoin#11250) need to make at least one major release for fail-over option (if someone wish to use non-HD wallets only). ## How Has This Been Tested? Run unit and functional tests. Enabled new functional test `wallet_upgradewallet.py` that has been backported long time ago but waited this PR to be enabled. ## Breaking Changes HD wallets are created by default. ## Checklist: - [x] I have performed a self-review of my own code - [x] I have commented my code, particularly in hard-to-understand areas - [x] I have added or updated relevant unit/integration/functional/e2e tests - [ ] I have made corresponding changes to the documentation - [x] I have assigned this pull request to a milestone --------- Co-authored-by: UdjinM6 <UdjinM6@users.noreply.github.com>
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Notable changes
HD Wallets Enabled by Default
In this release, we are taking a significant step towards enhancing the Dash wallet's usability by enabling Hierarchical Deterministic (HD) wallets by default. This change aligns the behavior of dashd and dash-qt with the previously optional -usehd=1 flag, making HD wallets the standard for all users.
While HD wallets are now enabled by default to improve user experience, Dash Core still allows for the creation of non-HD wallets by using the -usehd=0 flag. However, users should be aware that this option is intended for legacy support and will be removed in future releases. Importantly, even with an HD wallet, users can still import non-HD private keys, ensuring flexibility in managing their funds.