I would like to know if it's possible to change private key of bitcoin wallet via rpc call to bitcoind.
Thank you for your answers
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Sign up to join this communityNo, your public key are generated from your private key it cannot be changed.
Private key have one public key and each public key have one adress
Which key do you want to change? A wallet stores your private keys of your UTXOs
. You could change your private key, if you are able to find a hash collision with another (Private,Public)-Key-Pair that equals the OP_HASH160(Orig_Pub_Key) == OP_HASH160(HASHCOLLISIONPUBKEY)
.
Hopefully, this is not possible in a finite time...
If it is about your own wallet password, of course you can do that. The only information that is important is your (Pub,Priv)-Keypair. Don't forget that you need the public key too, to unlock your coins!