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Coldcard Wallet Vulnerability Losses Approach Nearly $114 Million; Small-Value BTC Transaction Volume Hits New High Since FTX Collapse.

2026.08.03 18:26:04

Affected by the Coldcard hardware wallet vulnerability incident, the total volume of Bitcoin transfers under 1 BTC on July 31 reached 39,600 BTC, marking the highest level since the 2022 FTX collapse; the number of active addresses that day also surged from around 645,000 to nearly 1 million. CryptoQuant stated that some holders are moving their assets to other wallets or trading platforms to seek safer custody, rather than engaging in mass sell-offs. Galaxy Research reported that the first three confirmed rounds of attacks stole a total of approximately 1,367 BTC, and a suspected fourth organized attack involving around 448.73 BTC is currently underway. If confirmed, the total stolen amount from the Coldcard vulnerability will rise to roughly 1,816 BTC, equivalent to about $114 million at current prices. In response, Kraken Chief Security Officer Nick Percoco said the incident should act as a "wake-up call" for the entire hardware wallet industry, calling for the establishment of an independent verification system for random number generation mechanisms.

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