It's why I believe Proof of Stake and Masternodes is the future!

LONDON — The amount of energy used by computers "mining" bitcoin so far this year is greater than the annual usage of almost 160 countries, according to new research.

Research by energy tariff comparison service shows that the amount of energy expended mining bitcoin globally has already exceeded the amount used on average by Ireland and most African nations. used stats from Bitcoin and cryptocurrency data provider Digiconomist, which estimates that 29.05 TWh of electricity was used to mine bitcoin, compared to an estimated 25 TWh of electricity per year used by Ireland.