Competition in the crypto currency market is constantly growing, and the developers are creating more and more new coins. However, not all of them are destined to become popular and enter the world TOP. To succeed, you need to offer a unique product that solves the actual problems of users. This is how the creators of Zcash acted - a unique crypto currency that surpasses all others in the level of anonymity of transactions. Zcash is the first crypto currency created on the basis of the unique zk-SNARK protocol. It is also called a zero-disclosure protocol, and its main feature is the absolute anonymity of all participants in the process and their transactions.