Exercise 3, Sect. 1, Unit 18 blockchain homework re: blockchain terminology
What is a hash? A hash is taking an arbitrary size value into a fixed-size value.
What is a digital signature? Using mathematics, it is to verify the authenticity of a digital document.
What is a crypto wallet? It is an application used to store digital assets such as crypto, NFTs, and other assets.
What is a blockchain node? It is a device that holds block of data, creating a blockchain infrastructure.
What is a miner, or block producer? Someone who uses computing power to solve complex mathematical equations, in return for a cryptocurrency reward.
Who makes all of the rules of the blockchain? Anyone who has a stake in the blockchain, whether it's a holder of the blockchain's crypto, or someone allowing their computer to run as a node.