QUANTA is the public blockchain for fast, open, and scalable digital assets exchange that provides instant liquidity many orders of magnitude faster than existing solutions. With an experienced technical team, our unique approach to liquidity leverages significant advances in system architecture - featuring a cross-chain architecture, on-chain order book matching, distributed memory ledger, and dual-ledger BFT consensus - to achieve <1 sec latency. Built on these key innovative foundations it enables any company to easily build decentralized trading platforms.
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.