arch_token_metadata (on-chain program)

Arch Token Metadata program for Arch/Solana-like runtime.

Features:

• Deterministic PDAs for token metadata and attributes
• Create, update, and immutable flows
• Efficient attribute storage and replacement semantics

Related crates:

• arch_token_metadata_elf: packaged ELF for deployment or tooling
• arch_token_metadata_sdk: Rust client SDK with instruction builders and readers
• arch-token-metadata-cli: CLI for inspection and common flows

Documentation:

• See docs/SECURITY.md for invariants and constraints
• See SDK README for usage examples and transaction builders

License: MIT