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.
TNB is token represent to Miao'A International Timechain (M.I.T). That is dedicated to building a precision time-valuebased transmission network.