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So what does a Bitcoin miner actually do all day?

Quick note: StarMiner sent me this one.

To add the next block, there's a puzzle to solve.

And the only way to solve it is to keep trying numbers.

Try, check, nope. Try, check, nope.

Miners everywhere do this nonstop, super fast.

While it's running, mine never stops trying.

Solo mining does not guarantee rewards.

Follow for part three: why it's called mining.