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This Man Was Locked Out Of His Bitcoin Wallet For 11 Years — Claude AI Got Him Back In

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A Bitcoin holder identified on X as @cprkrn recovered roughly 5 BTC — price between $400,000 and $500,000 at present costs — on May 13, 2026, after greater than eleven years locked out of a pockets, crediting Anthropic’s Claude AI with fixing a technical drawback that had defeated each typical restoration methodology he had tried since 2015.

The story behind the restoration is as uncommon as the result. While a pupil, @cprkrn modified the password on a Bitcoin pockets whereas intoxicated and forgot the brand new credentials. He nonetheless possessed an outdated mnemonic phrase — the seed phrase used to generate the pockets — but it surely not opened the present pockets file. Years of makes an attempt adopted.

He spent roughly $250 on skilled restoration companies, exhausted brute-force software program testing an estimated 7 trillion password combos, and ultimately gave up on typical strategies fully, per his X thread. He held out till Bitcoin crossed $100,000 earlier than mounting one remaining severe try.

Bitcoin Found: How Claude Actually Did It

The restoration was not a case of AI breaking Bitcoin’s encryption. Wallet restoration consultants who reviewed the X thread that Claude’s position was forensic slightly than cryptographic — sorting by means of giant quantities of historic knowledge to determine clues tied to older pockets credentials and file variations. The distinction issues and @cprkrn’s personal account confirms it.

His strategy was simple. He uploaded all the contents of his outdated school pc — recordsdata, paperwork, notes, and backups — instantly into Claude. The AI recognized an older pockets file inside the knowledge that predated the password change, then situated the exact purpose the mnemonic not labored on the present file: a bug in btcrecover, a broadly used open-source Bitcoin pockets restoration utility, was concatenating a shared key with the password within the mistaken order.

Claude recognized the bug, corrected the decryption logic, ran the method, and extracted the personal keys in Wallet Import Format. Claude’s output, which @cprkrn screenshotted and posted to X, learn: “PRIVATE KEYS DECRYPTED! WE GOT IT!!! THE 5 BTC IS YOURS!”

Blockchain knowledge from Blockchair confirmed the pockets at deal with 14VJySbsKraEJbtwk9ivnr1fXs6QuofuE6 had proven no transaction exercise since 2015 till that day, when outbound transfers according to a restoration and pockets migration appeared.

The Thread That Went Viral

@cprkrn’s X posts generated greater than 6 million views inside hours of publication drawing responses from distinguished crypto figures together with Nic Carter, Laura Shin, and Jesse Pollak. In a follow-up put up summarizing the tactic for others in comparable conditions, he wrote: “Just mega dump your entire computer systems and notebooks into Claude.” He additionally publicly thanked Anthropic CEO Dario Amodei instantly.

The cash had been initially bought at roughly $250 per Bitcoin — a $1,250 complete funding that sat locked and inaccessible by means of two full market cycles earlier than lastly being recovered.

As of this writing, Bitcoin trades at round $79,300, which means the recovered 5 BTC now represents a return of roughly 32,500% on the unique buy worth — eleven years later.

Cover picture from Grok, BTCUSD chart from Tradingview

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