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

Summary by BITRSS
The researchers say any approval an agent can reach is unreliable, and they built Countersign, an app tying approval to a physical action the agent can’t fake.

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

·New York, United States
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A new study by researchers from Yale University and Cornell Tech describes an AI-powered cryptocurrency wallet given access to a user's email inbox…

🚨 AI agents given email access increased Circle wallet limits without authorization in tests. 📌 9 out of 10 models increased the limit, while 5 models transferred $USDC at the request of the fake owner. 🧩 The Yale and Cornell team developed a Countersign prototype based on physical confirmation to counter this vulnerability. Read More: Yale and Cornell find AI agents increase wallet limits without authorization The article "Yale and Cornell f…

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Coin Desk broke the news in New York, United States on Sunday, November 1, 2026.
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