ADToken is an advertising value discovery, decentralized, permissionless, safe and transparent mobile advertising trading community that is dedicated to the tokenization of advertising impressions and realizes the circulation of advertising value through DeFi. Advertising impressions in traditional platform cannot circulate freely, and the pricing power controlled by a very small group of people, which greatly limit the value discovery of advertising. The ADToken community uses the tokenization of advertising impressions, and the tokenized advertising impressions can circulate freely in the market, which will greatly realize the value of advertising impressions. The ADToken community create the AD token, which has a one-to-one correspondence with the advertisement impression. AD token can be freely exchanged for advertising impressions on anytime and in anywhere, and advertising is the basic value of AD token. ADToken community advertising traffic providers come from millions of mobile application developers. Providing advertising spaces to traditional advertising platforms, they will give ADToken with surplus advertising inventory to maximize revenue in addition. The ADToken system guarantees that 100% of advertising impression revenue attributed to the developers. At present, thousands of mobile application developers have joined the community, and they contribute nearly 30,000,000 ad requests every day. We provide a better economic system than traditional advertising platforms, let more and more mobile application developers join the community.