New Broadchain (NAC) is a decentralized advertising system based on blockchain technology. NAC will officially become a governing unit of the WBTO World Trade Organization. Xinguang Chain is a side chain developed based on the IPC public chain of the knowledge and property chain. It is based on the principle that the audience is voluntary and can obtain benefits. Advertisers directly face consumers and use blockchain technology to subvert the traditional Online advertising market. The NAC advertising system will become a widely adopted payment standard for internet advertisers, website owners, and users. Based on the huge advantages of blockchain technology, advertisers will benefit, and user privacy will be protected and profits will be obtained....