With recent exploits that exist in the DeFi world, security is a necessity not a luxury. DeriW, the flagship perpetual DEX developed by CoinW，commits itself to building a next-generation perpetual contract DEX. It shall combine high performance along with top-tier security. Built on Arbitrum as an L3 public chain, DeriW lets users trade with 0 gas fee while it integrates strong security protocols across every layer, from smart contracts to cross-chain infrastructure.