Proof of Work (PoW)


What is Proof of Work (PoW)?

Glossary - Proof of Work

In PoW, miners solve difficult problems to create blocks. PoW runs on a system of “the longest chain wins.” So assuming most miners are working on the same chain, that one will grow fastest will be the longest and most trustworthy. Hence Bitcoin is safe as long as more than 50% of the work being put in by miners is honest.


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