Released in October 2023, the MicroBT Whatsminer M66 ASIC miner is designed for cryptocurrency mining. In mining, MicroBT Whatsminer M66 generates approximately $13.68 per day before electricity costs. At an electricity price of $0.05 per kWh, the expected net profit is around $6.99. The most profitable coin to mine on this hardware is Quai Sha (QUAI-SHA) (SHA-256) with a hashrate of 280 Th/s at 5572 W. Other coins include Bitcoin SV (BSV) and eCash (XEC), which can also be profitable depending on network conditions.