Bitcoin White is an efficient, flexible, and safe decentralized application platform designed to lower the threshold for developers. Using JavaScript as the programming language and relational database to store data, Bitcoin White is increasing the similarities between developing a DAPP and a traditional web application. Bitcoin White appeals to both developers and businesses because it offers a strong platform where prosperousness of the "ecology" has direct relation with the developer's productivity. Bitcoin White is open in design and can be customized for many uses including finance, document storage, and copyright certificates. The APIs are underlying and abstract, and they can be combined freely to achieve a variety of applications. Bitcoin White has implemented an inherited and enhanced the DPOS algorithm, greatly reducing the probability of forking and risk of double spending. Bitcoin White's side chain, i.e. the application mode, not only delays the expansion of the blockchain but also makes DAPPs more flexible and personalized. Bitcoin White is a forward-looking, low-cost and one-stop application solution.