rich1.0_kami_gawa (npub1j4…ghe65)https://yabu.me/npub1j4442yrhl9dfnxe68gk6jefachmmmd6a4e4p4t0s7fvck997r6gqkghe65njumphttps://yabu.meMost Bitcoin devs learn SIGHASH types the wrong way — they memorize flags without understanding what each one actually commits to. Here's a thread on how SIGHASH really works under the hood. 🧵 (1/6)