The overall technical architecture consists of three platforms: 1. Social media platform: this is an application layer; 2. Block-chain platform: a core block chain-based functional module is offered: (1) Contract layer: a multilingual smart contracts platform; (2) Consensus layer: a Fast Paxos-based PoS consensus algorithm. 3. P2P-based distributed storage system: a support located at the bottom: (1) Network layer: customized content-addressable P2P storage network; (2) Data layer: data storage is based on LevelDB/CouchDB.

云计算是兴起的一个名词，现在大家都在说“云”。这是一本很好的云计算参考书。