What is a miner?

A)  A type of blockchain
B)  Computers that validate and process blockchain transactions
C)  A person doing calculations to verify a transaction
D)  An algorithm that predicts the next part of the chain

Correct Answer :   Computers that validate and process blockchain transactions


Explanation : Miner is an actor who participates in cryptocurrency transactions, and in turn, plays a crucial role both in creating new cryptocurrencies and in verifying transactions on the blockchain. It adds new blocks to the existing chain, and ensures that these additions are accurate.