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09:31 < stevenroose> general HW question actually, but you guys are the wizards:
09:31 < stevenroose> both ledger and trezor can provide the master fingerprint, right?
09:31 < stevenroose> It's needed for PSBT, so I'm assuming yes, but I can't find it easily because #nodocs
09:32 < achow101> There is no explicit function for the master fingerprint
09:32 < achow101> instead, we fetch the xpub at m/0 and extract the fingerprint from there
09:33 < achow101> if they don't give out xpubs, we can usually fetch the master pubkey (at m) and compute the fingerprint from that
09:33 < achow101> xpubs contain the fingerprint of the parent key, see bip32
09:40 < stevenroose> yeah I know, so m/0 does it.
09:40 < stevenroose> strange that they don't have the fingerprint of the current key :D
09:41 < stevenroose> the xpub fingerprint and the xpriv fingerprint are the same, right?
09:41 < achow101> yes     
09:41 < stevenroose> rust-bitcoin's BIP32 impl has methods for both, which confuses me
09:41 < stevenroose> k     
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