nostr:nprofile1qqstsw3gkljwt5stm9svt7htvcjlj4ffze4chkcyt4pxxj30xkgeg5qprpmhxue69uhhwetvvdhk6efwdehhxarj9emkjmn9qyg8wumn8ghj7mn0wd68ytnhd9hx2qgcwaehxw309ac8yetdd96k6tnswf5k6ctv9ehx2aq95gptt did you ever try signing a book via nostr? This could be your first one.

If you reply Sergio's post, then Sergio can write the noteid in the back page.

BOOM, signed by the author via nostr.

It's the future 🚀