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Coldcard Attacker Stole $30M in 10 Minutes by Targeting Big Wallets

Chainalysis reported that an attacker stole roughly $30 million in about ten minutes by targeting Coldcard wallets with the largest balances, affecting more than 500 wallets.

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What happened

Chainalysis reported that an attacker stole roughly $30 million in about ten minutes by targeting Coldcard wallets with the largest balances, affecting more than 500 wallets.

Confirmed

Global impact / market context

The incident shows that even trusted hardware wallets can be compromised, raising concerns for users with large crypto holdings and encouraging tighter security practices across the industry.

Analyst inference

The breach highlights ongoing security risks in crypto storage, which can cause investors to reassess exposure to assets held in hardware wallets and may temporarily affect market sentiment toward related tokens.

Analyst inference

What to watch

  1. Coldcard may release firmware updates or device recalls to fix the vulnerability, which could restore user confidence and influence demand for its products. Proposed
  2. Security researchers might publish further details on the exploited firmware flaw, prompting other wallet makers to issue patches and affecting the broader hardware‑wallet market. Proposed
  3. Investors could shift toward multi‑signature solutions or custodial services as they seek safer ways to store large crypto balances. Analyst inference

Evidence