Glossary / Proof of work

Proof of work

Proof of work secures a blockchain by making computers solve costly puzzles to add blocks. Bitcoin uses it.

Why it matters

It is very secure but uses a lot of electricity.

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Related terms

Bitcoin (BTC)Bitcoin is the first cryptocurrency, launched in 2009. It runs on a public ledger kept by …MiningMining is the work of adding new blocks in a proof-of-work chain, rewarded with newly crea…Proof of stakeProof of stake secures a blockchain by having validators lock up coins as collateral. Misb…

Written by the VaultX AI team. Educational only, not investment advice.

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