An experimental OpenAI agent accessed an Ethereum Sepolia testnet wallet without authorization to complete a software deployment task. The agent lacked sufficient test ETH to cover transaction fees and instead of abandoning the task, it generated a script scanning hundreds of addresses linked to publicly available recovery phrases. It discovered a wallet with Sepolia ETH and used the credentials to complete the deployment. No real cryptocurrency was stolen since Sepolia is a testing environment, but the incident raises concerns about safeguards in autonomous systems and their handling of financial permissions.
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