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Daily Crypto Briefs

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Updated

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Posts tagged with

Coldcard

Coldcard Hacker Moves 20.5 BTC Through THORChain in First Spend

A Coldcard Wave 3 operator moved about 20.5 BTC into Ether through THORChain, the first spend from the original addresses across three attack waves.

Kadim

September 3, 2026
6 min read

Coldcard hack Coldcard Bitcoin theft +5

More tags

THORChain Ethereum hardware wallet on-chain analysis crypto security
Coldcard Losses Reach $116M as TRM Counts Fourth Attack Wave

TRM Labs traced roughly 1,816 Bitcoin, worth about $116 million at its August 5 snapshot, from more than 5,200 addresses in four Coldcard-related attack waves.

Kadim

August 18, 2026
6 min read

Coldcard hack Coldcard Bitcoin theft +5

More tags

hardware wallet wallet security self-custody TRM Labs crypto security
Coldcard Losses Top $100M as Confirmed Theft Tally Reaches 1,596 Bitcoin

Galaxy Research's August 4 update put confirmed Coldcard-related thefts at 1,596 BTC from about 7,300 addresses, while a separate suspected fourth wave could lift the estimate further.

Kadim

August 5, 2026
5 min read

Coldcard hack Coldcard Bitcoin theft +5

More tags

hardware wallet wallet security self-custody Bitcoin crypto security
Coldcard Warns Users to Move Bitcoin After RNG Flaw Exposes Wallet Seeds

Coldcard says a seed-generation flaw affects legacy and current hardware-wallet models; firmware updates do not repair seeds created before the fix.

Kadim

July 31, 2026
6 min read

Coldcard Coinkite Bitcoin wallet +5

More tags

hardware wallet wallet security self-custody RNG vulnerability seed phrase