Zcash

Zcash is a unique and anonymous cryptocurrency, launched in 2016. Its network uses a protocol of zero-knowledge proof, which allows users to hide the information about transactions. Users can also choose the selective disclosure, that allows them to hide some information, but let them have a proof of the transaction. Zcash is being developed by a team led by Zooko Wilcox-O'Hearn. ZEC is a cryptocurrency with prospects, that managed to become fully anonymous, unlike Bitcoin. The total amount of tokens is limited to 21 million ZEC.