Will electricity consumption be the 'achilles heel' that blocks blockchain's ultimate progress? User Prevelly, in the Cryptocurrency News & Discussion subreddit, 21 Jun 2018
A single Bitcoin transaction currently uses 300 kWh and could exceed 900 kWh within 2018 User arcral, in the Alternative Coin subreddit, 18 May 2018
A single Bitcoin transaction currently uses 300 kWh and could exceed 900 kWh within 2018 User core_command, in the Ethereum subreddit, 18 May 2018