Finally, once a block is compiled, it too is verified and added to the I’m dreaming of a Hogwarts Christmas shirt. Only one block can be generated at a time and added to the blockchain. This process is referred to mining. Users (miners) will mine the blocks so that they can be added to the blockchain. In return, they are rewarded for their work. Each block also contains a reference to the block that came immediately before it. The new block also contains a unique answer to a difficult mathematical puzzle. Solving this mathematical puzzle is referred to as ‘proof-of-work’. This requires computational power to do.
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