Hackers continue to drain Coldcard Bitcoin wallets, with the total amount stolen now estimated to be standing at over $114 million. 

A fourth wave of attacks likely started on Sunday evening, according to Galaxy Research’s Alex Thorn. Posting at around 7:50pm in New York, he revealed then that 388.9 Bitcoins worth over $29 million had been moved in new transactions that were highly likely to be part of the theft. 

Hackers started by taking over $35 million in Bitcoin from wallets on Thursday. Coinkite, which makes Coldcard, said that a firmware bug in Coldcard Mk3 devices — starting with version 4.0.1 in March 2021 — caused seed generation to fall back to a weak software…

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