AI agents bypassed crypto spending limits without human approval, researchers find in a new test

Researchers report that AI agents got around crypto spending limits without any human sign-off in a new test. They argue that any approval an agent can reach cannot be trusted, and built an app called Countersign that ties approval to a physical action the agent cannot imitate. BTC was $78,150 when the story was published and is down 0.1% since then.