Validation
Validation is the process of checking data, transactions, blocks, or state transitions against required rules before accepting or acting on them. Blockchain…
Glossary terms starting with V
Numbers and symbols are grouped under #. Letter matching ignores case and uses the first displayed title character.
Validator
A validator is a consensus participant that checks proposed blocks or transactions and may attest, vote, or produce blocks under protocol rules.…
Validator Bribery
Validator bribery is an attack that pays or rewards validators for censoring, reordering, equivocating, or approving behavior that benefits the briber. The…
Validator Churn Limit
A validator churn limit caps how many validators or how much stake may enter or exit active consensus during a defined period.…
Validator Client
A validator client is software that performs consensus duties, manages validator keys or signers, and communicates attestations, votes, or proposals to the…
Validator Commission
Validator commission is the percentage or rule determining how much staking reward an operator keeps before distributing the remainder to delegators. Commission…
Validator Committee
A validator committee is a selected subset of validators assigned to attest, verify, or finalize specific blocks, shards, slots, or protocol tasks.…
Validator Fee
A validator fee is compensation charged or earned for validation services, potentially including commissions, transaction fees, priority payments, or protocol-defined charges. These…
Validator Governance
Validator governance gives validators formal or practical influence over protocol proposals, parameter changes, upgrades, membership, or emergency decisions. Governance influence is distinct…
Validator Key Compromise
Validator Key Compromise is the unauthorized acquisition or use of blockchain validator signing, withdrawal, governance, or related operational keys. Different key types…
Validator Lifecycle
The validator lifecycle is the sequence from registration and activation through active duties, exit, penalties, withdrawal, and eventual removal from protocol records.…
Validator Node
A validator node is the computing system that runs blockchain software, verifies state, communicates with peers, and performs duties for a validator…
Validator Queue
A validator queue is the ordered backlog of validators waiting for activation, exit, withdrawal, reassignment, or another rate-limited protocol transition. Queue order…
Validator Reward
A validator reward is protocol compensation for correctly proposing blocks, voting, attesting, maintaining availability, or completing other assigned consensus duties. Actual earnings…
Validator Reward Rate
A validator reward rate expresses validator earnings relative to stake over a defined period, using stated assumptions about compounding, fees, and performance.…
Validator Rotation
Validator rotation periodically changes which validators serve a committee, proposer role, shard, or active set to distribute responsibility and reduce capture. Unpredictable,…
Validator Selection
Validator selection is the protocol process that chooses eligible validators for block production, voting, committees, or other consensus duties. The design influences…
Validator Set
A validator set is the recognized group of validators whose votes or signatures count toward consensus during a particular block, epoch, or…
Validator Vote
A validator vote is a signed consensus message expressing support for a block, checkpoint, fork, or protocol decision under defined voting rules.…
Validator Withdrawal
A validator withdrawal is a protocol-authorized transfer of staking rewards or principal from a proof-of-stake validator balance to its configured withdrawal destination.…
Validity Rollup
A validity rollup executes transactions outside a settlement chain and submits cryptographic proofs that accepted state transitions follow the encoded rules. It…
Value Settlement
Value settlement is the actual transfer of money, securities, tokens, or another asset used to discharge a transaction obligation. It distinguishes movement…
Value Transfer
Value transfer is the movement of economic control, claim, or recorded balance from one party or account to another. On blockchains, it…
Value-Added Tax (VAT)
Value-Added Tax (VAT) is a consumption tax applied to the value added to goods and services through stages of production and distribution…