Validator
Quick Answer
A validator is a Proof of Stake node operator that stakes crypto and votes on block validity. More validators means greater decentralisation and more reliable payment settlement.
Full Definition
A validator is a node operator that participates in Proof of Stake consensus by staking cryptocurrency and voting on block validity. Validators earn rewards for honest participation and face slashing for malicious behaviour. More validators generally means greater decentralisation and security, which underpins the reliability of crypto payment settlement.
Related Terms
VASP (Virtual Asset Service Provider)
A VASP is any business offering virtual asset services including exchanges, custodians, and payment processors. Defined by FATF, VASPs must implement KYC, AML, and Travel Rule compliance.
Volatility
Volatility is the degree of crypto price fluctuation. Payment gateways like SpacePay mitigate it by locking exchange rates at payment time and converting immediately to stablecoins or fiat.