ManateeCoin is a secure, private, and untraceable cryptocurrency. It is open-source and accessible to all. With ManateeCoin, you become your own bank. Only you control and are responsible for your funds. Your accounts and transactions are kept private.
ARPA is a Secure Computation Network Compatible With Blockchains They propose a blockchain-based secure computation network of Multi-party Computation (MPC). ARPA cryptographically enables private smart contract, unprecedented data-at-use privacy protection, as well as scalable computational sharding.