FinTab is a cryptocurrency currency accounting system. The service helps to analyze the financial position of the portfolio, income in a particular currency and the entire portfolio. FinTab is a SaaS product with a service charge. The FinTab digital token is a cryptographically secure form of the right of the note holder to receive services and goods through the FinTab system, which only the holder of the note can purchase in the future. .Another step to achieve scale and economics is to unite several square chains. We can say that this is the last stage, now that there is another age, it is a certain stage.