UNO is a fair launch, low inflation, high-hash rate, rare issue cryptocurrency since 2013. Sha256, merge mined with Btc, high hash, 3 minute blocks.
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.