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A longtime Bitcoin holder has regained access to about 5 BTC after being locked out of his wallet for 11 years, using Claude, the AI assistant built by Anthropic, as a key recovery tool.
In a statement posted on X on Wednesday, the investor, known as @cprkrn, said he was locked out after forgetting a password that was changed during a drunken night at college.
He said he had created complicated passwords on blockchain.info and could not determine the missing element. He described the situation as effectively forcing him to hold the assets.
During his search for a way back into the wallet, he said he exhausted roughly 7 trillion password combinations through manual attempts and brute-force software, without success.
According to the investor, the breakthrough came when he provided old college notes and laptop files to Claude. The AI identified the missing link between an archived wallet file and a partially incomplete seed phrase.
He said he “dump[ed] all the files from that laptop” into Claude, which then found an old wallet file and connected the seed phrase to the older password, enabling decryption and restoring access.
The investor said he bought the Bitcoin for $200 in 2013. At current prices, the recovered stash is now valued at over $395,000.
On-chain data cited in the report indicates the investor transferred his holdings out of the old wallet into Hyperunit after restoring access.
The wallet recovery case is presented as part of a growing trend of AI being applied to crypto access.
Separately, the article notes that some individuals have explored attempts to infer Satoshi Nakamoto’s private keys—an approach widely considered impractical and viewed with ethical concern.
It also references a user-developed live “vibe-coded” tool aimed at similar key-searching efforts, targeting roughly 1.1 million Bitcoin valued at about $87 billion.
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