Exchange Union is the organization building XUD, the Exchange Union Daemon. It is the reference implementation powering OpenDEX, a decentralized exchange built on top of the Lightning and Connext networks. It aims to solve the ever-lasting problem of liquidity isolation by bringing individual traders, market makers and exchanges onto the same network to form a single global liquidity pool. Exchange Union are building xud, the software for a decentralized exchange network called OpenDEX. It aims to bring market makers, exchanges and individual traders worldwide onto a single trading network and liquidity pool. OpenDEX is designed to address the lack of liquidity in decentralized exchanges. XUC is an ERC20 Ethereum-based token.