BIP32 optimization if this isn't the last derivation then the fingerprint is irrelevant so we can just spoof it! that way we don't need the public key for the fingerprint
BIP32 optimization
if this isn't the last derivation then the fingerprint is irrelevant so we can just spoof it!
that way we don't need the public key for the fingerprint

Bit-Wasp/bitcoin-lib-php,blocktrail/bitcoin-lib-php