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Security & incidents

Coldcard Pushes Bitcoin Back to Exchanges: The Anti-Self-Custody Trade

According to reporting by crypto.news, a firmware vulnerability in Coldcard hardware wallets has led to massive estimated thefts totaling approximately 1,816 bitcoin across thousands of addresses, prompting a notable shift of funds back to centralized exchanges. This development is not officially confirmed by the manufacturer or law enforcement.

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Custody

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Coldcard hardware wallet security alert conceptual graphiccrypto.news
CVCoinkiteSecurity & incidents

Coldcard Pushes Bitcoin Back to Exchanges: The Anti-Self-Custody Trade

According to reporting by crypto.news, a firmware vulnerability in Coldcard hardware wallets has led to massive estimated thefts totaling approximately 1,816 bitcoin across thousands of addresses, prompting a notable shift of funds back to centralized exchanges. This development is not officially confirmed by the manufacturer or law enforcement.

Custody
Rating impactNo score change
134
Coldcard hardware wallet resting next to a security audit conceptual graphiccrypto.news
CVCoinkiteSecurity & incidents

Coldcard Hardware Wallet Exploit Triggers Industry-Wide Demand for Independent Entropy Audits Following Multimillion-Dollar Bitcoin Thefts

A multi-year seed-generation vulnerability in Coldcard hardware wallets has sparked urgent calls for independent firmware testing after suspected attacks drained nearly $90 million worth of Bitcoin from thousands of addresses. Kraken chief security officer Nick Percoco argued that hardware wallet manufacturers should not remain the sole parties verifying wallet secret generation. Publisher reports indicate that these allegations are not officially confirmed by comprehensive first-party forensic audits across every impacted victim wallet.

Custody
Rating impactNo score change
135
Coldcard hardware wallet security advisory illustrationcrypto.news via LBank
CVColdcardSecurity & incidents

Coldcard exploit sparks call for independent audits: Kraken CSO

According to reporting by LBank News based on crypto.news coverage, Kraken’s chief security officer has urged independent testing of hardware wallet seed generation following a security flaw in Coldcard devices. Suspected attacks have drained nearly $90 million in Bitcoin, with Galaxy Research tracking over 5,200 potential victim addresses, though these figures have not officially confirmed by law enforcement or device manufacturers.

Custody
Rating impactNo score change
136
Graphic illustrating bitcoin flows returning to centralized exchanges following reported hardware wallet exploits.CoinDesk
CVColdcard / CoinkiteSecurity & incidents

Coldcard Wallet Exploit Triggers Unprecedented Inflows Back to Centralized Exchanges as Investors Re-evaluate Self-Custody

According to reporting by CoinDesk, a major security vulnerability affecting Coldcard hardware wallets has prompted smaller bitcoin holders to move funds back onto centralized exchanges for safety. This behavioral shift contrasts sharply with the massive self-custody withdrawals seen following the FTX collapse in late 2022. These claims remain not officially confirmed by all impacted device manufacturers.

Custody
Rating impactNo score change
137
Digital representation of Coldcard hardware wallet security breach and on-chain tracking analyticsdecrypt.co via LBank
CVColdcardSecurity & incidents

Coldcard Bitcoin Exploit Balloons to $88 Million as Attackers Keep Draining Wallets

According to reporting by LBank News and Galaxy Research, a third wave of thefts targeting Coldcard Bitcoin wallets has pushed observed losses to approximately 1,367 Bitcoin across 4,585 addresses, though these figures remain not officially confirmed by regulatory authorities.

Custody
Rating impactNo score change
138
Cryptocurrency hardware wallet security and diversification concept illustrationCoinDesk
CVColdcard / CoinkiteSecurity & incidents

Binance Founder CZ Advises Wallet Diversification Following Reported $70 Million Coldcard Security Failure

Following a major security breach affecting Coldcard hardware devices that resulted in massive losses, Binance founder Changpeng Zhao has suggested that crypto holders spread their digital assets across multiple wallets to mitigate risks. This development, which remains not officially confirmed by every single independent audit authority beyond published reports, highlights persistent vulnerabilities in self-custody solutions.

Custody
Rating impactNo score change