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Key takeaways

• A reported flaw in Coldcard hardware wallets made seed phrases predictable.

• Blockchain-security firms tracked thefts tied to the issue.

• Galaxy Research estimated about $130 million stolen.

• Coinkite advised affected users to update devices and migrate to a new seed phrase.

• The main lesson is to validate key-generation and incident-response processes.

What TechCrunch reported

TechCrunch reported on 2026-08-04 that blockchain-security firms were tracking thefts from Coldcard hardware-wallet users. The reported attacks exploited a flaw that made seed phrases predictable. That kind of weakness can turn a security tool into a liability.

The report says Galaxy Research estimated about $130 million stolen. TechCrunch also said Elliptic's co-founder described that estimate as roughly correct. The source does not add more technical detail about the flaw.

Why the flaw matters

Hardware wallets depend on strong key generation. If seed phrases are predictable, the protection model breaks down. That creates a direct path from a product flaw to asset loss.

The case also shows how security failures can spread quickly once attackers find a repeatable weakness. The source does not identify every affected user or every theft. It does show that the issue was serious enough for multiple security firms to track it.

Coinkite's response

TechCrunch reports that Coinkite published an advisory. The advisory urged affected users to update devices and migrate to a new seed phrase. That is a standard kind of response when key material may be compromised.

The report does not say how many users were affected by the advisory. It also does not say whether all users needed to take action. Readers should rely on the vendor guidance for any device-specific steps.

Operational lessons for readers

The cautious reader angle is simple. Independently validate key-generation processes before trusting a wallet or similar security product. Also test incident-response steps before a real problem appears.

This is especially important when a product handles private keys or recovery material. A flaw in the generation process can undermine every later control. Good response plans should include clear update paths and a way to rotate exposed secrets.

Governance and risk considerations

The source supports a narrow governance lesson. Security teams should not assume a branded hardware wallet is safe by default. They should verify how the device creates seed phrases and how the vendor handles urgent advisories.

The report also suggests that incident response should be practical, not theoretical. If a flaw affects key generation, users may need to update devices and replace seed phrases. That makes speed and clarity important.

Morocco relevance

The source reports no Morocco-specific victims, usage, regulation, or impact. For readers anywhere, the global lesson is to verify key-generation and response procedures before relying on a wallet.

Bottom line

This report ties a Coldcard hardware-wallet flaw to large reported crypto thefts. The central issue was predictable seed phrases. The practical takeaway is to check how security tools generate secrets and how quickly vendors can guide users after a flaw appears.