Or Loopring, Arbitrum, Polygon, Optimism. Complete Ethereum L1s move to Proof of Stake, and use one of the above for actual transactions and you have a super fa

Or Loopring, Arbitrum, Polygon, Optimism. Complete Ethereum L1s move to Proof of Stake, and use one of the above for actual transactions and you have a super fast decentralised way of making transactions that's orders of magnitude more energy efficient than Bitcoin.