White hat hacker transfers 52.37 BTC from Coldcard hack into victim recovery fund

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A white hat hacker has transferred 52.37 BTC to an address linked to a newly established recovery fund, the latest fallout from the July attack on the Coldcard hardware wallet, according to Alex Thorn, head of research at Galaxy Digital. The incident began on July 30, with multiple waves of attacks in the following days causing damage estimated at more than 100 million dollars in Bitcoin. The attackers exploited a vulnerability that caused wallets to generate seed phrases using a weak software-based random number source instead of the wallet's dedicated random number generator from Coinkite. The maker of Coldcard has since updated its firmware, though funds already exposed under the original seed phrases remain at risk. The 52.37 BTC transferred this week is a consolidation of tracked funds from the second wave of attacks, along with three other transaction traces identified as AA, AU and AX, and was sent to an address with an OP_RETURN message reading claim:cryptorecoverytrust.com. The transaction was confirmed in block 967,948. Thorn said the amount represents 2.8% of the total tracked hacked funds and about 40% of the second-wave funds confirmed as white hat hacker activity. A further 3.0134 BTC with no prior tracking history also flowed into the CRT address in the same transaction, which Thorn said was likely additional Coldcard funds recovered by the white hat hacker, though he stressed this still awaits confirmation. Victims can check whether their funds are in the recovered group at cryptorecoverytrust.com by searching with their own wallet address.

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