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.
Starting with a cryptocurrency wallet, Pillar will evolve into an open-source ecosystem where you control what, when, and with who you share your personal information.