Blockchain is a decentralized digital ledger that records transactions in a secure and transparent manner.
Proof-of-Authority (PoA) is a consensus algorithm used in blockchain networks that relies on a limited number of trusted validators, also known as authorities, to validate and create new blocks.
A block is a collection of transactions that are grouped together and added to the blockchain.
Proof of Stake (PoS) is a consensus algorithm used in blockchain technology to validate transactions and add new blocks to the blockchain.
A mining pool in the world of cryptocurrency is a group of miners who pool their resources together to increase their chances of finding blocks and earning rewards.