How is mining profitable
How is mining profitable
The miner that creates a block gets the reward and all the fees that are in that block.
1) What happen with other nodes that does not create a block. In their case, will not they get any reward and also any fees? How do they survive?
2) As I understand, when a block is created, all the miners start again finding the solution to create the next block. Can the miners choose which transactions validate? If it is like that, all the blocks in that time frame, are they the same?
Thanks!
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