Coldcard Attacker Stole $30M in 10 Minutes by Targeting Big Wallets

Chainalysis found that the Coldcard attacker stole roughly $30 million within 10 minutes after prioritizing the largest wallets. The $38 million-plus sweep reached 500 wallets and exposed lasting risks for seeds created on vulnerable firmware. Attacker Prioritized Coldcard Wallets With the Largest Balances Blockchain analytics firm Chainalysis revealed on July 31 that the attacker targeted […]