Technology has remarkably grown in the century that bank passbooks have vanished and the entire money transfers happen at our fingertips. From long queues of bill payments, the transaction has been revamped to mobile applications, saving our time and efforts. Cryptocurrency, virtual currency is the boon to the fin-tech industry, but the underlying blockchain technology much more than altcoins. Blockchain technology can magically legitimate the entire industry process with decentralized and distributed features? Isn’t it interesting? Let’s glance through blockchain, cryptocurrency, and its applications! What is Blockchain? Blockchain is the shared ledger that records the transactions in chronological order and is cryptographically secured. The nodes which are connected to the blockchain network have consensus data transactions that are stored in blocks. The blocks posses pre-hash, nounce, data and hash values. The blockchain network uses the SHA-256 algorithm to secure dat...