- In Q3 2022, Bitcoin mining efficiency increased 23% YoY, and sustainable power mix was 59.4%, above 50% for the 6th quarter in a row. The network was 73% more secure YoY, only using 41% more energy, and is now 99% of all crypto hashing power. https://bitcoinminingcouncil.com/bitcoin-mining-council-survey-confirms-year-on-year-improvements-in-sustainable-power-mix-and-technological-efficiency-in-q3-2022/ 25 comments bitcoin