Medium Key compromise Source: CoinDesk

Coldcard hacker moves $7.7 million in BTC, 45% of bitcoin stolen in third attack wave

The attacker in the third wave of the Coldcard hack moved $7.7 million in Bitcoin, which represents 45% of the total stolen in that attack.

Estimated loss
$7,700,000
Protocols
Coldcard
Confidence
High
First seen
7 Sep 2026, 10:01 UTC

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