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Proof-of-Work (POW)

Proof of Work (PoW) is a blockchain consensus mechanism first popularized by the Bitcoin blockchain network. Proof-of-Work systems depend on a process of mining to maintain the network. Miners provide computing power that is used to solve the complex cryptographic puzzles. Solving these puzzles is necessary to confirm the data traded on the network. The miners are rewarded for this with the underlying cryptographic token of the network. Proof-of-Work blockchain systems are decentralized and secure compared to other network consensus mechanisms, but typically struggle to achieve the scalability needed for global cryptocurrency adoption. Proof of Work is also criticized for its high energy intensity.

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