This is a (Bitcoin CLI) raw transaction decoder built with Rust from scratch. This covers the main aspects of the Rust programming language like Variables, mutability, functions, primitive types, control flow, Ownership, borrowing, references, lifetimes. Defining data types and attaching behavior, Collections: Vectors, Strings, HashMaps, Error Handling: panic!, Result, Closures & Iterators, Pattern Matching etc. This is very helpful Bitcoin Open source aspiring developers that want to use Rust for open source contributions.