BlueWallet released version 8.0.0 on June 10, 2026, introducing a manual entropy feature that lets users generate their Bitcoin private keys through coin flips or dice rolls instead of relying on their device’s random number generator. The target is 256 bits of entropy, the standard threshold for generating a secure Bitcoin seed phrase. If manual input falls short, the app automatically fills the gap using the device’s built-in RNG. BlueWallet is open-source and available on both iOS and Android, narrowing one of the traditional arguments for hardware-only cold storage. The feature addresses longstanding skepticism in the Bitcoin community about software RNGs, a debate that has been active since at least 2020.
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