POC power candy for commercial applications, creating a high value block chain. Most of the blockchain technologies remain at the technical level of consensus mechanism optimization and algorithm improvement, and the characteristics of users' concern are also more focused on anonymity, decentralization, etc., but the actual scene application is not sufficient. Lack of application scenarios. POC plays an important role in digital assets, data rights, block chain finance, social governance, payment collection and other applications.In order to meet the arrival of a broader application scenario, POC has made breakthroughs in terms of transaction capacity and transaction speed, which far exceeds the speed of five transactions per second and one confirmation processing in 10 minutes of the current mainstream currency, and will open the PC wallet to an app purse. Webpage end wallet, realize user cross-platform convenient application. POC is a practical and simple solution for online and offline payments, digital asset flows, compatible with mainstream block chain ecosystems.