Bullish
233,000 Bitcoin Moved for Risk Mitigation Following Coldcard Firmware Exploit
02:22
Coldcard firmware flaw led to 2,100 BTC theft; 233,000 BTC moved for security. Users advised to migrate seed phrases from affected versions.
Woofun AI reports that a vulnerability in Coldcard hardware wallet firmware was exploited, resulting in the theft of approximately 2,100 Bitcoin. On-chain data indicates that around 233,000 Bitcoin, valued at roughly $15 billion, were transferred by long-term holders in the days surrounding the incident. Casa CEO Nick Neuman stated that some funds moved to multisig wallets, with Ledger and Trezor users also taking similar actions.
Additionally, approximately 22,000 Bitcoin were transferred to exchanges. Coinkite advised users with seed phrases generated using firmware versions 4.1 to 4.1.9, covering the period from March 2021 to July 2026 to consider their wallets compromised and to immediately migrate to new seed phrases.
WOOFUN AI
Impact Assessment · Quick Read
The exploitation of a hardware wallet firmware vulnerability highlights persistent security risks in self-custody solutions, potentially accelerating adoption of multisig architectures. The significant movement of 233,000 比特币 suggests heightened caution among long-term holders, which may temporarily reduce circulating supply on exchanges. Users of affected Coldcard versions face immediate migration costs, reinforcing the importance of firmware integrity in the broader ecosystem.
Generated by WOOFUN AI · For reference only, not investment advice
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