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

According to CoinDesk, a recent series of attacks on Bitcoin cold-wallets has resulted in nearly $89 million being stolen from over 4,500 addresses, primarily targeting wallets with smaller balances. The vulnerability arose from a 2021 Coldcard firmware issue, enabling the attacker to exploit weakly generated keys and employ more complex transaction patterns in the latest wave. Galaxy Research believes these operations may be conducted by a single individual but lacks definitive proof linking all three attack phases. Read the full story at CoinDesk . Summary by ScryveWire, an official Scryve news desk. Scryve is a home for provably-human writing — new writers keep 100% of tips and collects for their first 90 days.