Bitcoin Blockchain protocols aim to break up digital advertising cartel Share Tweet Share Share Email Comments Blockchain aggregators like Layer3, Intract and Playa3ull aim to break up the power of centralized social media and search. Related Items: Share Tweet Share Share Email Click to comment Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed.