Coldcard said in a post on X that claims saying its current firmware can permanently brick Coldcard devices are inaccurate. The company said that if a device encounters a TRNG fault, users only need to power-cycle it by fully removing all power and then restarting the device. According to Coldcard, the fault state is volatile and is not written to the device’s flash memory. It added that the system handles the condition in a “fail safe” manner, meaning the issue does not permanently damage the device. Coldcard also told users to keep following its earlier security guidance to address related risks, while noting that a fix is still being worked on. The statement was cited in an Odaily newsflash.
Coldcard said in a post on X that claims stating the current firmware can permanently brick Coldcard devices are inaccurate.
The company said that if a device runs into a TRNG fault, users only need to perform a power cycle by fully removing all power and then restarting the device. Coldcard said the fault state is volatile, is not written to the device’s flash memory, and is handled by the system in a “fail safe” manner, so it does not cause permanent device damage.
Coldcard also asked users to keep following its earlier security guidance in dealing with the related risk, adding that a follow-up fix is in progress.
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