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RE: One Bitcoin Transaction Now Uses as Much Energy as Your House in a Week ... where is Bitcoin heading?
The new tech is already here and tested since 2 years. Dan Larimer created Graphene chains with BitShares and you are actually using his 2nd chain right now by posting and voting in Steemit. Just count how many seconds it takes to upvote my comment and you'll have the confirmation block time ... yes, it is the fastest decentralised chain out there !