Blockchain Fundamentals

Proof of Work (PoW)

Also: PoW

A consensus method where miners compete to solve a computational puzzle, and the winner adds the next block and earns a reward. The cost of the computing power is what makes cheating expensive. Bitcoin uses it.

General education, not investment, legal or tax advice. Markets and regulation change quickly: where a definition depends on current law or on a recent event, check the latest coverage before relying on it.