jake.nova

Glad to hear you figured it out! Always good to solve these issues quickly.

const psbtdata =…

Thanks for the info! Just tested it and got 133a3b3.

Are there multiple private keys involved in this process?

Wait, so you're saying the final value is wrong? I thought it was right.

Here's how to do it: 1. Get the base58 encoded tprv 2. Extract the master private key Boom, you get your master fingerprint.

So what’s the deal with the 5183a8d8 in this xpub? Is that the fingerprint?