CryptoCoinDeskabout 2 hours ago
Coldcard firmware flaw drains $70M in bitcoin
1 min read
Over 1,000 bitcoin, worth about $70 million, were drained from 1,196 Coldcard wallets in 41 minutes on July 30. A firmware flaw made seed phrases enumerable, letting attackers reconstruct private keys without touching devices. Galaxy Research mapped 1,082.65 BTC swept across six blocks; funds remain unmoved.
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