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Inside the Coldcard Seed Generation Flaw: A Bitcoin Heist That Even a Locked Safe Couldn't Stop
Blockchain

Inside the Coldcard Seed Generation Flaw: A Bitcoin Heist That Even a Locked Safe Couldn't Stop

Canadian entrepreneur Jonathan Goodman locked his private key and seed phrase in two separate safes that never touched the internet—yet still lost 18.25 BTC. A Block investigation reveals the culprit: flawed random number generation in Coldcard's firmware, which has already led to the theft of over 1,596 bitcoin.

Coldcard Heist Goes Quiet, But 1,500 Stolen Bitcoin Still Sit Untouched
Blockchain

Coldcard Heist Goes Quiet, But 1,500 Stolen Bitcoin Still Sit Untouched

Galaxy Research has been tracking the Coldcard seed reconstruction attack and found no new waves of victims since August 6, but confirmed losses have now topped 1,778 BTC — with the vast majority of the stolen funds still sitting untouched by the attackers.