A 2023 video warning about wallet creation on the COLDCARD Mk4 has resurfaced after the discovery of an RNG flaw tied to the device. In a post on X, Bitcoin News said hardware wallet educator @YTCryptoGuide had previously warned that the Mk4 allowed users to create a wallet after a single dice roll, a setup that could lead people to generate an extremely weak seed. He also said the interface could give users the impression that their dice input would be mixed with the device’s hardware random number generator, while that was not the case in some user flows. The clip is drawing renewed scrutiny because many advanced users choose dice-based entropy precisely because they do not fully trust hardware RNG systems. The renewed attention does not add new claims beyond the earlier warning, but it places that 2023 explanation back in focus as users revisit how entropy is handled on the device.
Bitcoin News said in a post on X that a 2023 video is getting renewed attention after the discovery of a COLDCARD RNG flaw. In that video, hardware wallet educator @YTCryptoGuide warned that the COLDCARD Mk4 allowed users to create a wallet with just a single dice roll, which could leave users with an extremely weak seed.
He also warned that the interface could lead users to think their dice result would be mixed with the device’s hardware RNG, while that was not true in some operational flows.
According to the post, many advanced users choose dice-based entropy because they do not fully trust hardware RNG. With the COLDCARD RNG issue now in view, the 2023 warning video has taken on new significance.
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