Blockchain is a decentralized digital ledger that allows for secure and transparent transactions without the need for a central authority, such as a bank. Here are some basic concepts to help understand how it works:Blocks: A block is a set of transactions that are verified and added to the blockchain. Each block contains a unique code called a hash that identifies it and links it to the previous block.Nodes: Nodes are computers or devices that store a copy of the blockchain and work together...
