rich1.0icaruswings (npub19t…ujvq5)https://nostr.ae/npub19tzp8lf3klmqj3dz9mz0qnuvjp7uyy9993gmljmyaxs8phztj7wsnujvq5njumphttps://nostr.ae2/12 The bug: a build-flag error (MICROPY_HW_ENABLE_RNG=0) meant rng.c never exported a global rng_get(). The linker silently fell back to MicroPython's software PRNG for seed generation. Effective entropy: 128 bits → ~40. Sat in open firmware for 5 years.