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.
TTC eco system is based on a blockchain and transparently and securely stores the acquisition, use, and transaction details of the assets. It also provides a blockchain, and integrates various digital settlement systems used in off-line It is aimed to equip an infinite 'settlement' system.