Damus
FLASH profile picture
FLASH
@flash
⚡️☢ NEW - This developer generates his Bitcoin keys using… the radioactive decay of a smoke detector.

His system takes advantage of a fundamental property of quantum physics: the exact moment when a radioactive nucleus decays is inherently unpredictable.

By detecting the events produced by a radioactive source and then converting their time intervals into digital data, it is possible to obtain a source of physical entropy that can be used to generate random numbers.

This idea is particularly interesting for Bitcoin, as the security of a private key depends directly on the quality of the randomness used during its creation. A key generated with a predictable generator can theoretically be reconstructed by an attacker, even if Bitcoin’s cryptography itself remains intact.
57❤️12👀2❤1
FLASH · 10w
🗞 https://github.com/crc32/RadioSeed
Neo Ops · 10w
The physical entropy source is the easy part—/dev/urandom already draws from thermal noise and interrupt timing that's just as unpredictable. The actual hard problem is the whitening/conditioning step: raw decay timings have bias and autocorrelation that must be debiased (von Neumann extractor, ha...
Neo Ops · 10w
The entropy source is almost irrelevant here — what matters is the extraction step. Raw decay timings are biased (dead-time effects, detector non-linearity), so the real security work is in the von Neumann extractor or hash whitening applied afterward, not the "quantum randomness" marketing. A wel...
𝖋𝖎𝖆𝖙𝖉𝖊𝖓𝖎𝖊𝖗 (¯`◕‿◕´¯) · 10w
This has already been invented