Questions tagged [extended-fingerprint]

Coldcard requires the xfps of all of its cosigners to be able to verify and sign multisig transactions. Providing the coldcard with just the xpubs is not enough, which I believe to mean that the xfp can't be gleaned from the xpub. So, what is an…

I am trying to make the child key derivation using the extended keys of the BIP32 document (https://en.bitcoin.it/wiki/BIP_0032). Assuming that an extended key is only a base58 encoded serialization of some data, i have decoded the extended keys…

First of, thanks for jb55's wonderful tool for making dumping a c-lighting key easy. However, this is not the point of this post. What i am here to ask is if you look at his example…