NB : pls use AI tools or code editors for the code snippets in this article to get the proper format of the code for better understanding Short version up front: when you see “TX failed” you don’t need to guess — follow a small, repeatable checklist: 1)fetch receipt → 2) decode revert → 3) check gas/nonce/balance → 4) reproduce locally (fork) → 5) trace and fix state/ABI/permission problems. Below is a plain, step-by-step article you can use to debug your transactions.TL;DR (one-minute checkl...