This is re-implementation of https://github.com/rgb-org/rgb according to the most recent spec RGB Protocol with better test coverage and attention to the details.
rgb-rust is written in "Rust"; "Cargo" is its build system and package manager.
Follow the instructions in Rust Install
For those who use "macOS" it is possible to install "Rust" through brew:
$ brew install rust
$ cargo build
$ cargo test --package rgb --lib tests