Cryptoya (CRA) is a digital financial system based on open source platform. (CRA) is Based on ERC 20 technology. It is a decentralized cryptocurrency, That means that the following of the transaction parties will be impossible, transferring CRA will be possible to anywhere in the world by everyone. Using peer to peer network, the transactions are directly between the users with no interfering of other parties or sharing information with anyone else. The transactions can be followed by the transaction parties using Ethereum blockchain technology.