Got my hands on the Building bitcoin in Rust book… https://braiins.com/books/building-bitcoin-in-rust

Can’t wait to take a look at that chapiter… 25 pages explaining how to create a note from scratch

https://image.nostr.build/9bc0410e991a81606f1e5c896654ed414872ff2ff1ca66d4c7b3c3872d446d11.png