Lost Bitcoin Just Got an AI Lifeline — and a New Privacy Problem
What Claude actually did was more mundane — and more important. The model performed forensic triage across thousands of unstructured files on the user‘s old machine, surfaced a December 2019 wallet.dat backup, and matched it to a password the user had buried in a college notebook. Because Bitcoin private keys don’t change, decrypting the older backup gave access to the same coins controlled by the users locked Blockchain.com wallet. The cryptography held. The metadata cracked. That distinction matters for the broader pool of lost Bitcoin, which on-chain analysts estimate runs into the millions of coins. With BTC trading near $80,000, even a modest recovery rate would mean tens of billions of dollars potentially re-entering circulation. AI-assisted file forensics now sits plausibly alongside traditional services like Lionsgate Network in the recovery toolkit, though the technique only works where backups and password fragments still exist somewhere — useless for the James Howells landfill case or Stefan Thomass locked IronKey. The privacy tradeoff is the part most of the viral coverage has glossed over. To make this work, cprkrn uploaded the contents of an old personal computer — including encrypted wallet files — to a cloud AI service whose logs may retain that data. For