Notary

Implements TUF's hierarchical key roles so loss of any single key (except root) isn't fatal, as detailed in the Goals section, ensuring long-term security even with key issues.

Uses timestamping to prevent replay attacks, ensuring consumers receive the most up-to-date content, which is critical for software updates where old versions could be vulnerable.

Allows setting multiple signature requirements for critical content, preventing single compromised keys from publishing malicious content, as explained in the security advantages.

Supports verifiable delegation of signing authority through signed metadata, enabling flexible multi-maintainer workflows without sacrificing trust.