Hackers Transfer 64 BTC, 200 ETH From Coldcard Exploit to Mixers
TL;DR
- Hackers linked to the Coldcard exploit transferred 64 BTC ($4.17 million) and 200 ETH ($380,000) to crypto mixers.
- Most of the stolen funds remain in wallets controlled by the hackers; attempts to use mixers were limited, according to TRM Labs.
- A firmware bug from March 2021 reduced key strength from 128 to 40 bits, making them vulnerable to brute force attacks without physical access.
The hackers behind the Coldcard exploit moved a portion of the stolen funds to crypto mixers, as confirmed by blockchain security platform CertiK.
Specifically, 64 Bitcoin valued at $4.17 million were sent from address bc1q0 to the Wasabi protocol, while 200 ETH worth $380,000 were transferred to Tornado Cash. Both transactions were recorded on-chain and traced by CertiK, which published its findings on its X account.
Our alert system detected two 200 ETH transactions sent to Tornado Cash linked to the ongoing @COLDCARDwallet attack.
The funds were bridged from BTC to ETH address 0x41B7529a411EeA979a8d468bdEBd36b0ad703268 via THORChain before being sent to Tornado Cash. pic.twitter.com/JLazHWIEvo
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