ZachXBT Declines to Investigate $88M Coldcard Bitcoin Hack
TL;DR:
- Blockchain investigator ZachXBT confirmed that he will not trace the theft of approximately $88.6 million in Bitcoin linked to Coldcard wallets.
- The security breach affected more than 4,500 addresses following an entropy flaw in the random number generator of Coinkiteโs firmware.
- The analyst justified his decision citing previous instances of non-payment and lack of bounty rewards from assisted projects and influencers.
On-chain investigator ZachXBT declined to monitor or trace the stolen funds from the Coldcard hardware wallet security breach, an incident recorded in late July 2026. With this decision, the sleuth is excluded from one of the largest reported hacks in the self-custody sector in 2026.
Sorry I have no current have no plans to monitor or trace the ColdCard incident.
My time is focused on ecosystems who value my work whereas Bitcoin maxis are not donors or supporters so I have less obligation to help.
Not really interested in spending time on complex cases forโฆ
- ZachXBT (@zachxbt) August 2, 2026
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