Tantalum (Tantalum Pass) uses a new root chain technology to build a global "password" infrastructure, uses the latest block chain ESOD algorithm, breaks through the pure digital asset exchange business, positioning and creating a block chain industry incubator that integrates electronic wallet, cross-border payment mall, digital asset exchange and self-media, providing enterprises and individuals with foolish application of technology from the bottom of the block chain. Up to the listing, from product traceability to sales increased substantially, from personal transactions to multi-currency payment and consumption of all-round convenient services!