list for profit colleges "People say 'oh, those experts', but we're seeing what we call potential risks being rolled out. This is not what the experts say, this is what the economy is showing. " To make new clients more easy to use, our focus is to simplify the complexity of the application based on the block chain, to provide a pleasant user experience, attractive design and consumers to understand the language. Everyone likes the CryptoKitties, which can be traded and fed, representing the value of cryptocurrency. In the early 20th century, famous American economist elvin fisher developed the theory of economic gain. In its book "the nature of capital and yield", first, the concept of yield is analyzed in terms of the performance of earnings, and three different types of benefits are proposed: For many, the first benefit of entering the blockchain and cryptocurrency world could be economic gain.