A cryptocurrency is a digital currency that exists in the virtual domain and is secured by cryptography. It is because of this security feature, cryptocurrencies are difficult to counterfeit. Moreover it is a decentralized system, where there is no presence of any central authority. They are powered by the blockchain technology which is in simple terms a publicly distributed online ledger that is maintained by a network of high end computers. The distributed ledger technology removes third parties from their system and records all the transaction in the system. The first blockchain as discovered by Santoshi Nakamoto is the bitcoin...