The Data Mining Alliance Digital Warranty Platform Data Mining Alliance is a blockchain integrated service platform under the DMA Foundation Association, which takes the scientific research and development of Big data industry alliance as the pillar, and enables participants to jointly obtain the dividend of data industry development through an effective innovation incentive mechanism. The DMA Data Mining Alliance combines POW+POS mining, quantitative trading, pledge lending and other blockchain industry services, with the goal of effectively integrating resources such as funds, technology, computing power, and community. It is committed to creating an infrastructure that supports the development of blockchain internet commerce and helps accelerate the construction of the blockchain industry ecosystem....