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BLOCK(US:SQ) Cointelegraph·2026-07-31 06:00🚨 UPDATE: Block's Max Guise says the team traced the Coldcard wallet drains to a random-number-generation flaw affecting Mk2 through Mk5 devices.Affected users are urged to move funds to a new, unaffected wallet as soon as safely possible. https://t.co/AJScM1pVr2 ...