Carbon AdX is an opt-in only feature for users and is not mandatory.
For Advertisers or Ad Networks:
Advertisers can purchase display ads on publishers who have opted-in to monetize their traffic/content.
For Publishers or Media Networks:
Publishers can sell display ads to advertisers who have opted-in to target traffic and new customers.
No exchange of user data takes place for users who opt-in. Carbon will never sell users personal information and we protect your privacy at every step.