A-Z Technology Index
Cryptocurrency & Blockchain Glossary
Search and browse concise, mathematically accurate definitions for blockchain, consensus, and cryptographic terminology.
Terms Starting With "P" (4)
Alphabetical Reference
Cryptography
Private Key
A secret 256-bit cryptographic number used to sign transactions and authorize transfers.
Consensus
Proof of Stake
A consensus mechanism where validators are chosen to create blocks based on their locked collateral.
Consensus
Proof of Work
A consensus algorithm requiring participants to expend computational work to prevent sybil attacks.
Cryptography
Public Key
The mathematical counterpart to a private key, used to verify signatures and derive addresses.