Working on a tool that unravels personal transaction history across wallets. Hand it an output and it looks up its trail through known wallets, resolving the original input. Result is a JSON file with structured data and a nice diagram, which looks funny for coins with collaborative transaction history (see screenshot).

Bitcoin makes accounting sexy again. Based on Sparrow Wallet's BIP 329 export feature. h/t nostr:npub1hea99yd4xt5tjx8jmjvpfz2g5v7nurdqw7ydwst0ww6vw520prnq6fg9v2