What is Blockchain ?
Introduction Blockchain is a technology in today's world that everybody talks about. It could be used for powering crypto currency like Bitcoin, but its potential is far greater than that. Blockchain is being used to improve security and transparency in financial services, healthcare, the supply chain, education and more. This guide will help you come to the understanding of blockchain, how it works, and why it is significant for you if you're new to blockchain. What Is Blockchain? Blockchain is a digital ledger which is secure and organized repository of information. It's not storing data on one computer, it's several PCs in a network. The data is stored in bits called blocks. Each block contains: Details about data (transactions). A timestamp A unique identification (like a fingerprint or a data file) that helps to identify a data-set in a unique way. Hash code of the previous block.Previous block hash. These blocks are linked together in a chain and hence it is calle...