We tested three firmware variants on a Whatsminer M50 (70 TH/s stock) over 14 days in a 25°C ambient environment.
The technical documentation from Luxor (LuxOS) provides a deep dive into "Demand Response" and "Curtailment" strategies. whatsminer custom firmware
This is the biggest immediate risk. MicroBT, like most hardware manufacturers, explicitly states that modifying the firmware voids the warranty. If a hashboard fails or a control board dies two months later, you are on the hook for the repair costs. Given the high cost of replacement parts, one hardware failure can wipe out months of efficiency savings. We tested three firmware variants on a Whatsminer
The stock firmware (uBoot + Linux-based CGminer) enforces: like most hardware manufacturers