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What is PoW (Proof of Work)?
Crypto Glossary Definition
A piece of data that is computationally difficult to produce but easy for others to verify. It is the primary thing that miners do to discover new blocks and contribute to the integrity of the network.
Why PoW (Proof of Work) Matters
Proof of Work secures a blockchain by requiring miners to spend real computing power (and electricity) to add each block, making it expensive to attack or rewrite history. Bitcoin is the largest and longest-running Proof-of-Work network.
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