Onomy Protocol is a blockchain-based platform that provides rails for the Forex market to integrate with decentralized finance (DeFi). It offers Onomy Exchange, a trading platform for digital assets, and the Onomy Network, a Layer 1 blockchain built using the CosmosSDK. The NOM Coin is used for network security, governance participation, payment of bridge fees, and collateralizing stablecoins. Onomy also aims to facilitate cross-chain trades through its Arc Bridge hub.