Metahash is a blockchain-based transaction ecosystem that works on the Blockchain 4.0 protocol. It developed the Tracechain protocol to optimize the transaction speed in the crypto space with high-speed transactions and low fees. The Metahash structure consists of four components: TraceChain, MetaApps, Metagate, and MetaHashCoin. TraceChain uses AI to increase network speed, MetaApps allows users to build DApps, Metagate is the link between TraceChain and MetaApps, and MetaHashCoin is a digital asset that can be used as a payment method within the Metahash ecosystem and can be converted to other tokens on different networks.