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BIP32, or Hierarchical Deterministic Wallets. HD wallets are wallets that can be shared amongst different wallet implementation with or without the ability to spend coins. https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki

6 votes
1 answer
511 views

Why do the xpubs from electrum and trezor not match when creating a multisig wallet?

For a little background, I am trying to set up a 2-of-3 multisig wallet with 2 trezors and a coldcard. I am trying to verify that my setup is correct before putting any meaningful amount of money in t …
paddy's user avatar
  • 195
4 votes
1 answer
2k views

What is an extended fingerprint (xfp) and how does it differ from an xpub?

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 c …
paddy's user avatar
  • 195