Blockchain
A blockchain is a shared ledger copied across many computers, where records are grouped in blocks linked by cryptography so past entries cannot be quietly changed.
Why it matters
It lets strangers agree on who owns what without a central company.
Open the market dashboardRelated terms
BlockA block is a batch of transactions added to the blockchain together. Bitcoin adds one abou…Proof of workProof of work secures a blockchain by making computers solve costly puzzles to add blocks.…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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