Tag: coldwallet

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Bitcoin cold-wallet losses may near $114 million as possible fourth sweep emerges

The flaw allowing the exploit traces to a March 2021 firmware build that routed seed generation to a predictable software randomizer instead of the...

Bitcoin cold-wallet attack spreads to 4,500 addresses as losses near $89 million

The attacker working through Coldcard-generated keys is now emptying wallets worth a few thousand dollars each.Galaxy Research flagged a third wave of sweeps early...