Layer 2 is the foundation for HiFive, a scalable, high-performance multi-chain DEX. It uses an order book technique called "off-chain matching, on-chain settlement" and allows both spot and perpetual contract trading. HiFive's goal is to create a trading model that looks ahead, not at the present market, but at Blockchain Layer 2's and its users' development path. It seeks to improve trading security and experience by advancing the order matching paradigm, providing an improved method of price discovery, and resolving the fundamental shortcomings of.