Show HN: Ratify Protocol – prove who authorized an AI agent, offline, in <1ms (github.com)

The Ratify Protocol has been announced as a groundbreaking cryptographic trust protocol designed to enhance interactions between humans and AI agents, as well as between AI agents themselves. This protocol enables the creation of a signed, verifiable proof regarding who authorized an AI agent to act, the scope of that authority, and its validity duration—achievable in under one millisecond without the need for a central authority. Its quantum-safe design employs a hybrid signature model combining Ed25519 and ML-DSA-65 algorithms, ensuring that signatures remain unforgeable even in the presence of advanced quantum computing threats. The significance of the Ratify Protocol lies in its potential to establish trust in AI interactions across various platforms, such as voice, video, APIs, and edge applications, without relying on centralized verification or blockchain technologies. By utilizing a JSON wire format and allowing offline verification, it is particularly well-suited for scenarios like drones and IoT devices. With successful cross-language interoperability demonstrated in multiple programming languages like Go, TypeScript, Python, and Rust, the protocol promises to facilitate secure and scalable deployments in a rapidly evolving AI landscape.