The full name of DAEC is Digital Advertising Exchange Chain (Chinese full name: Digital Advertising Exchange Chain, referred to as Byte Chain). The idea of ​​technology and community autonomy creates a new generation of digital advertising trading platform, connects advertisers, media owners and developers, reduces false advertising traffic and fraud losses, reduces traffic acquisition costs for advertisers, and improves the settlement of the digital advertising industry Efficiency maximizes the interests of all parties involved in digital advertising, and allows all parties involved in advertising to conduct business operations under a truly open and transparent mechanism.