new COLDCARD firmware is available: 5.6.1 for Mk4/Mk5 and 1.5.1Q for Q.

following this update, every newly generated seed now requires one source of user entropy:

- at least 65 key presses with unpredictable timing,
- 50 physical dice rolls, or
- 128 physical coin flips.

this input is combined with fresh entropy from the STM32 TRNG, SE1, and SE2