DataOK is a decentralized data economy service chain based on Ethereum technology. It is committed to building a data economy service chain integrating data uplink, data storage, data computing and data exchange, linking global users and weaving a global data network. The vision of DataOK is to provide common, co governing, transparent, and secure underlying services for the future billion level data economy market of humanity, and to become a public facility in the era of digitalization for all....