Coldcard losses rise as fourth attack wave sweeps 448 BTC Posted On August 3, 2026 A fourth suspected Coldcard attack wave moved 448.7 BTC from 709 addresses, while unconfirmed transactions may still be replaceable. Tags:Crypto, Doge, News Related Posts Upbit issues caution advisory on L1 Flow after price drops sharply amid security concerns CLARITY Act Sparks Fight Over Stablecoin Yield and Your Dollars Bitcoin price resists sell-off, but three risks threaten a drop to $60K About The Author DogeMan