DAEC, also known as Digital Advertising Exchange Chain in Chinese, is a project jointly initiated by elites in the digital advertising industry, media industry, and cloud technology experts from Yuanhua. Through blockchain technology and community autonomy, DAEC aims to create a new generation of digital advertising trading platform that connects advertisers, media owners, and developers, reducing false advertising traffic and fraud losses, Reduce the cost of traffic acquisition for advertisers, improve the settlement efficiency of the digital advertising industry, maximize the interests of all parties involved in digital advertising, and enable all parties involved in advertising to operate their business under a truly open and transparent mechanism....