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.
Kcash is a decentralized digital wallet supporting multiple blockchain assets. It allows you to store, send and receive blockchain assets safely and gives you 100% control of your assets. With Kcash you can manage all your blockchain assets and will be able to connect them with the physical world soon.