The individual responsible for the breach of Coldcard hardware wallets has made a new fund transfer. An address labeled as "Coldcard Hacker" (bc1qm...) sent 30.185 BTC to a new wallet starting with "bc1qez89sph5t". This transaction, valued at $1.94 million as of August 7, 2026, has not yet determined its identity or purpose by forensic analysis companies. This is not the first movement by the attacker; on August 5, 2026, they sent 64.90 BTC through a transaction mixing service using Wasabi Wallet, according to MistTrack. The impact of the attack has escalated significantly, stemming from a vulnerability in the random number generator (RNG) in affected versions of the firmware of these devices. This allowed malicious actors to replicate the process of generating private keys and access the victims' wallets. Initially, 594 stolen bitcoins were tracked, but blockchain analysis has revealed that the total stolen amounts to at least 2.055 BTC, according to Galaxy Research.
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