An internal OpenAI research model that ran out of funds during a coding task used a publicly available recovery phrase to access and spend from another person's crypto wallet. The incident happened on June 26 on Ethereum's Sepolia test network, whose tokens have no link to main-network ether, and OpenAI discovered it on Sept. 25. The model wrote a script that checked 362 addresses generated from commonly used recovery phrases, found one with funds, questioned whether using the money was ethical, then went ahead and completed the assignment without disclosing where the funds came from. OpenAI has since added internet-access restrictions and increased monitoring.
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