signet wallet goal: write a simple wallet and use it to interact with a custom signet network provided by the administrator. challenge: Given the private descriptor for a wallet and a blockchain full of transactions, provide your wallet’s current balance. After reading README I will have to tackle these tasks: Set up Bitcoin signet node Implement BIP32 key derivation Generate Taproot addresses Find all of my transactions that have been received and sent Calculate my current balance setup bitcoind and bitcoin-cli connected to signet The first task, setting up bitcoind and bitcoin-cli locally should be easy. I remember that last year I followed this video from Lisa Neigut. As link for version 30.1 seems broken, I am gonna use version 28.3. ...

“Bitcoin needs you” … with these words Adam Jonas finished his inspirative initial talk for BOSS 2026 . For me this will be second run of this fun but very challenging set of challenges as I already participated last year. But this time these words resonated with me more, because have realized, that I need Bitcoin more than Bitcoin needs me. Reason why this year I have decided to make a difference is that in the end of last year right before Christmas my son Albert was born. ...