What Is a Cryptographic Hash in Blockchain and How Does It Work?

Introduction A cryptographic hash in blockchain is a fixed-length digital digest that represents the contents of information. It can act like a fingerprint: the blockchain can use the hash to identify data and help reveal whether that data has changed. NIST defines a cryptographic hash function as a function that maps input data of arbitrary … 더 읽기

What Is a Smart Contract and How Does It Work?

What Is a Smart Contract? A smart contract is a program made of code and data that is deployed to a blockchain network. It follows predefined rules when someone or another program invokes it, and the network records the resulting changes. Despite its name, a smart contract is not necessarily a legal agreement. It is … 더 읽기