Bitcoin and all other cryptocurrencies are digital (not physical) assets, backed by a blockchain ledger. All cryptocurrencies are given value based on organic market demand, and since they are decentralized (not controlled by any government or authority); the value cannot be easily manipulated, like stocks, national currencies (USD, EUR, GBP), bonds, commodities, etc can be. If you want a LOT more detail, Wikipedia has a thorough definition here.
Converting Bitcoin and other crypto currencies to-and-from “CASH”, using it in the real-world (e.g. international debit cards), in a simple, safe, and secure way are the problems that Javvy aims to solve with its crypto exchange and beautiful, elegant, and intuitive crypto wallet. Javvy will become the ultimate crypto solution.