Neo is an open-source blockchain-based platform for the smart economy. Neo consists of a set of tools and services. (1) The consensus algorithm, which is dBFT2.0, a variation of the classic BFT algorithm. (2) A virtual machine, which claims to be lightweight, cross-platform, and scalable. (3) Smart Contract, which supports multi-languages. (4) Identity Protocol. (5) Distributed storage system, which is for the storage of on-chain data applications. (6) The voting mechanism, which mimics the real-world voting mechanism. (7) Oracle, which offers standardized external data to the Neo blockchain. You can think of it as the door to data of the outside world. (8) Token