> The same is true online. A cryptographic signature that claims “I am acting on behalf of X” means nothing unless it is tied to something real, like a verifiab

> The same is true online. A cryptographic signature that claims “I am acting on behalf of X” means nothing unless it is tied to something real, like a verifiable infrastructure or a range of IPs. Without that, I can simply hand the passport to another agent, and they can act as if they were me. The passport becomes nothing more than a token anyone can pass around. how does this person think jwt’s work?