nostr:npub17u5dneh8qjp43ecfxr6u5e9sjamsmxyuekrg2nlxrrk6nj9rsyrqywt4tp has a website with tons of info:  https://www.nostr:npub17u5dneh8qjp43ecfxr6u5e9sjamsmxyuekrg2nlxrrk6nj9rsyrqywt4tp.net/bitcoin-information.html

He's also a bad ass dev, so you should follow him if you aren't already.