Every implementation chapter ships working code. Browse it in the interactive viewer, or download the files and run them yourself.
A complete delivery-versus-payment settlement engine: accounts, instructions, atomic transfers and fails — the mechanics of Chapter 14, executable.
The on-chain counterpart: an atomic DVP contract where securities and cash legs either both complete or both revert.
FIPS 204 lattice signatures in practice — key generation, signing and verification for settlement instructions.
FIPS 203 key encapsulation demonstrated end to end — the quantum-safe replacement for ECDH channels.
The migration bridge: classical + post-quantum key exchange combined, deployable unilaterally today.
A minimal quantum-safe settlement ledger built from scratch — the capstone of Volume II, in one readable file.
The interactive viewer presents every file with syntax highlighting and chapter context.