DeriW Testnet Adds Graph Node Support for EVM Chain

DeriW testnet — zero-gas decentralized perpetual exchange on Ethereum Layer 3 Rollup — integrates Graph Node for EVM chain. Run by CoinW’s 8-year fintech team. Self-hosted RPC plus archival endpoint planned. Node docs, Docker guides, and testnet snapshot provided via GitHub and Aliyuncs. Monitoring uses Prometheus, Grafana.