Coldcard Wallet Losses May Approach $114M As Possible Fourth Sweep Emerges

Coldcard wallet users face potential losses approaching $114 million as a possible fourth sweep emerges, creating urgent security concerns across the cryptocurrency community. The pending transactions utilize replace-by-fee signaling, giving users mere minutes to spot their addresses in the mempool and pay higher fees to move funds before they're compromised. This developing situation highlights critical vulnerabilities in hardware wallet security and the importance of transaction monitoring in the Bitcoin ecosystem, as the crypto community scrambles to understand the full scope of the potential breach.
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