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Merge bitcoin/bitcoin#28373: doc: Add example of mixing private and public keys in descriptors
24b67fa9f602cdeac0e9736256f77d048f616c48 doc: Add example of mixing private and public keys in descriptors (Anton A) Pull request description: closes: #27414 ACKs for top commit: achow101: ACK 24b67fa9f602cdeac0e9736256f77d048f616c48 alfonsoromanz: Re ACK 24b67fa9f602cdeac0e9736256f77d048f616c48 Tree-SHA512: 8c063f23199ac0ff35909f786a5b0de1b4a9b15d1e93bdcdac10cb4bd2002c12e99b6fb1c2e56d16971e7622b67d910b79088429df92c48279be2d7797049911
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@ -166,7 +166,18 @@ Often it is useful to communicate a description of scripts along with the
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necessary private keys. For this reason, anywhere a public key or xpub is
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necessary private keys. For this reason, anywhere a public key or xpub is
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supported, a private key in WIF format or xprv may be provided instead.
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supported, a private key in WIF format or xprv may be provided instead.
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This is useful when private keys are necessary for hardened derivation
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This is useful when private keys are necessary for hardened derivation
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steps, or for dumping wallet descriptors including private key material.
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steps, for signing transactions, or for dumping wallet descriptors
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including private key material.
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For example, after importing the following 2-of-3 multisig descriptor
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into a wallet, one could use `signrawtransactionwithwallet`
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to sign a transaction with the first key:
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```
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sh(multi(2,xprv.../84'/0'/0'/0/0,xpub1...,xpub2...))
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```
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Note how the first key is an xprv private key with a specific derivation path,
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while the other two are public keys.
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### Compatibility with old wallets
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### Compatibility with old wallets
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