a netty like asynchronous network I/O library based on tcp/udp/websocket; a bidirectional RPC framework based on JSON/Protobuf; a microservice framework based on zookeeper/etcd
You can run a Chronicle Challenger Bot to help secure the price messages our validators emit. A Challenger searches for opPoked events for ScribeOptimistic contract. It Verifies poke schnorr signature and challenges it, if it's invalid.