β οΈ $116M Wiped: Coldcard Hardware Wallet Exploit Drains 1,816 BTC Across 5,200+ Addresses
A flaw in Coldcard's seed-generation code cut private-key randomness enough for attackers to crack wallets in four separate theft waves, moving roughly 1,816 BTC (~$116M) off compromised addresses. Bitcoin ETF analyst Eric Balchunas called out the Coinkite custody model, and questions are mounting about whether any affected funds can be recovered. If your BTC is on a Coldcard, check Coinkite's security advisories now. Not financial advice. Is hardware wallet self-custody still the gold standard?