ChainCatcher report, according to Bitcoin News monitoring, the Coldcard thief is prioritizing the largest portion of the third wave of vaults. Galaxy Research stated that 97.09 BTC, valued at approximately $7.7 million, have been moved from these wallets—accounting for about 45% of the assets in this batch. The attacker created 293 self-managed 2/2 vaults, transferred some tokens via THORChain on September 2, and subsequently moved them through multiple rounds of CoinJoin over the weekend. The vulnerability stems from a firmware flaw in 2021 that reduced seed entropy to as low as 40 bits. Approximately 82% of the stolen tokens from this exploit have not yet been moved.
Coldcard Theft: 97.09 BTC, Worth $7.7M, Moved from Third Vault
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Summary
Today’s BTC news reveals that the Coldcard theft is accelerating, with 97.09 BTC—valued at approximately $7.7 million—moved from the third vault, representing roughly 45% of the stolen batch. The attacker created 293 2/2 vaults, transferred the tokens via THORChain on September 2, and subsequently executed multiple CoinJoin transactions over the weekend. The vulnerability stems from a 2021 firmware issue that reduced seed entropy to a minimum of 40 bits. Approximately 82% of the stolen BTC remains unspent.
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