Odaily Planet Daily News Encryption mining company BIT Mining Limited announced the launch of the latest generation of Dogecoin and Litecoin mining machines, model LD4. BTCM's independently developed LD series ASIC mining machines are specially designed for mining on DOGE and LTC blockchain with peak hash rate and energy efficiency. The LD4 has a new power efficiency record of 0.71W/MH, an increase from the 0.73W/MH of the LD3 model. By leveraging the latest technological advancements, the peak output of LD4 can reach 5GH/s, which is much higher than the 4800MH/s achieved by LD3. (prnewswire.)