ОписаниеDRV blockchain is oriented to various industries and provides industrial blockchain operating products ●The current cross-border e-commerce industry has many problems, including high cost, trust crisis, hard traceability, consumption restriction, potential safety hazard, poor effect and so on. ● Lack of a new smart contract platform. For a lack of combination with the real world, Bitcoin ecology and Ethereum ecology fails to become widely used. ● The existing blockchain systems are highly closed. At present, most of the smart contracts only accept data on the chain as the triggering condition, and lack the interaction with the real world. ● The consensus mechanism itself is not flexible enough. The requirement on consensus mechanism varies with participant.