"Nothing Is 100%": CZ Warns Bitcoin Holders After $89 Million Coldcard Wallet Exploit
Update (1030ET): A third wave of thefts against Bitcoin wallets built on flawed Coldcard firmware ran through Saturday morning, lifting observed losses to roughly 1,367 BTC - close to $89 million - drained from 4,585 addresses since Thursday.
As Cyberkendra.com reports, the size is not the interesting part. The third wave is the first one designed to be hard to follow, and that shift tells self-custody holders more about what happens next than any dollar figure does.
Galaxy Research published the wave-three findings early Sunday. Between 12:23 UTC on July 31 and 06:42 UTC on August 1, across blocks 960,396 to 960,471, another 207.73 BTC left 1,912 addresses. That is roughly a tenth of a coin per victim.
Wave one, which opened at 01:10 UTC on July 30 and closed 41 minutes later, took 1,082.65 BTC from 1,195 addresses — nearly a full coin each.
Wave two, on July 31, collected just 76.16 BTC from 1,478 addresses.
Median losses tell the same story more bluntly: 0.270 BTC in wave one, 0.010 in wave two, 0.013 in wave three. The operator is now ...
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