0Chain is a data privacy, protection, and private sharing platform. 0Chain automates privacy compliance, provides continuous breach protection, and enables secured sharing to a 3rd party. 0Chain helps businesses achieve GDPR/CCPA compliance, transparency, and zero liability.
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.