Coldcard Exploit Drives Bitcoin Onchain Activity to 2026 High as Wallet Flaw Spreads Fear
Coldcard’s wallet flaw is sending Bitcoin onchain activity to 2026 highs, with nearly 890,000 BTC moving in a week as users rush to secure funds. At least 1,596 BTC has been confirmed stolen so far, and the fallout is reigniting hard questions about self-custody, multisig, and exchange risk.
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