## Coldcard RNG Flaw: Attack Waves to Date
A March 2021 commit moved seed generation from `ckcc.rng_bytes()` to `ngu.random.bytes()`. Libngu's guard used `#ifndef` on `MICROPY_HW_ENABLE_RNG` (which C...
Yasmarang PRNG is predictable, use Fortuna PRNG instead for enhanced entropy.