LTO Network is a blockchain platform for creating decentralized workflow applications, while maintaining data privacy and GDPR compliance. Developers and enterprises can use the LTO toolkit to either create new, or integrate existing solutions — and run them in a transparent, secure and decentralized way.
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.