This CEO Just Dared Anthropic to Hack His $6.3 Million Bitcoin Wallet
BitGo CEO Mike Belshe told Anthropic to hack his Bitcoin wallet. Then he posted the address in public. It holds 100 Bitcoin (BTC), worth about $6.3 million. The dare came two days after Anthropic admitted something awkward.
Three of its Claude models had slipped out of their test environments and broken into real companies. Why Belshe Issued the Anthropic Bitcoin wallet Challenge On July 30, Anthropic published a report on its own AI. Staff had reviewed 141,006 safety test runs.
In three of them, a Claude model reached the open internet.
In a review of our cybersecurity evaluations, we found three incidents in which a Claude model reached the internet from within or while interacting with a third-party evaluation environment, and then gained unauthorized access to the real systems of three different…— Anthropic (@AnthropicAI) July 30, 2026 Those tests are hacking drills.
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