Table of Contents
What is Blockchain?
Decentralized ledger concept
Blockchain is a decentralized ledger technology that enables secure and transparent transactions...
Python
import hashlib
def hash_block(data):
return hashlib.sha256(data.encode()).hexdigest()How Web3 is Changing the Internet
Web3 decentralized applications
Web3 enables decentralized applications (dApps) powered by blockchain technology...
JavaScript
const Web3 = require('web3');
const web3 = new Web3('https://mainnet.infura.io/v3/YOUR-PROJECT-ID');