This article proposes an architecture for vaccination information validation and tracking with a fog cloud-based blockchain system, providing privacy-aware scalable approach interoperable effective data management. It evaluates the scalability of underlying system by means simulation.

Starting from the catering industry, using decentralized characteristics of block chain technology, to research integrated traffic sharing platform, provide a guarantee for actions improving customer loyalty, preserving and obtaining traffic. Build self-driving shared distribution system with help reduce risk credit over-issuance, establish an efficient safe benefit protection mechanism through...