TL;DR: Who is This Book For?

1. If your primary goal is to understand a modern, efficient binary serialization format that offers significant performance and size benefits over JSON, Part I provides a comprehensive guide to CBOR.
2. If your application requires absolute, verifiable consistency – for digital signatures, content hashing, consensus, or interoperable verification – Part II delves into the principles of determinism and the specifics of dCBOR, including a tutorial for the dcbor Rust crate.
3. For those building applications that require structured, verifiable, and privacy-preserving data – smart documents – Part III explores the groundbreaking capabilities of Gordian Envelope, including usage of the bc-envelope Rust crate.