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.
Medishares is a Ethereum based, decentralized, open-source mutual aid marketplace. Anyone can join a mutual aid scheme through sending variable amount of MDS to a smart contract.. Anyone can become a mutual aid insurer based on the smart contract templates provided by MediShares, and can profit from it.