V interesting. Does the passport have history of what the agent has done in the past and if so, how are you able to verify that work? Specifically thinking about agents that may work across different systems.

Might be worth checking this out: https://www.8004.org/ it's more crypto specific but trying to tackle the problem of verifying an agent cross platforms.

the identity cert + execution chain combination makes sense -- the real risk with agents isnt just which agent is this but whether you can verify the agent hasnt been injected with malicious instructions between operations

the mcp trust layer is the interesting piece: are you signing each mcp tool call in the chain, or just the agent at initialization? the attack surface shifts a lot depending on when attestation happens relative to the tool call

also curious about the stripe trust gate vs x402 for payment verification -- stripe adds human account overhead; x402 lets agents pay autonomously with on-chain settlement and no human intermediary to impersonate. seems like a better fit for zero-trust agent interactions