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Could you please explain what would happen without transactions? Let's say people stop s(p)ending for a while for whatever reason. What miners would do if there are no transactions? Will they just keep a copy of blockchain and have no reward for approving transactions?

marked as duplicate by abelenky, Adam Millerchip, Greg Hewgill, Community Dec 14 '17 at 9:47

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A miner can mine an otherwise completely empty block, and still collect the award of 12.5 BTC for completing a block.

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