Bitpayer is a decentralized trading platform that lets you trade Ethereum and Ethereum-based tokens directly with other users. It is the first digital assets decentralised exchange that shares profits with all users.
Tera is a decentralized application platform. This is akin to an operating system. Tera consists of a repository of programs and data storage integrated into the Internet. The mechanism for publishing programs and data on this platform is free from censorship. The circulatory system is the blockchain.