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Morning Edition · Monday, September 14, 2026Published at 1:49 AM EDT · New York
A New Device Generates Bitcoin Seed Phrases From Radioactive Decay, With No Published Validation
Entropy32 Plus produces offline keys from a physical randomness source, but its entropy output has not been independently tested or audited.
A hardware product called Entropy32 Plus turns radioactive decay into offline Bitcoin seed phrases, using the timing of decay events as its source of randomness. The physics is sound in principle: decay intervals are genuinely unpredictable…
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Implementation Bugs, Not Just Exploits, Threaten Custody
Cryptographic implementation errors in wallets and signers (biased nonces, reused randomness, faulty derivation) keep surfacing as a distinct custody risk alongside smart-contract exploits, eroding the assumption that certified hardware protects keys.
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