It is a decentralized cryptocurrency aimed to use cryptography to give enhanced privacy for its users that were lacking in other cryptocurrencies such as BTC. There are a lot of likeness but the main difference lies in its privacy and fungibility.
๏ปฟ
It compulsion a cryptographic tool called Zero Knowledge proof which allows two users to carry out the transaction without either of them revealing their addresses to one another. The cryptocurrency for Zcash is called ZEC. An interactive proof system where prover exchanges messages with the verifier to convince that they have knowledge of certain proof without declaring what that knowledge is.
๏ปฟ
Completeness: true statement must be verified by honest verifier when it is to be proved by the prover.
Soundness: if the statement is true, then only the prover can convince the verifier.
Zero-knowledgeness: the verifier does not have any information except the fact that the statement is true.
๏ปฟ
Because of this zero knowledge ness property of Zcash, this has been used for businesses and large organizations. ZCash has performed really well since it was created and has established itself as a top cryptocurrency.
๏ปฟ