Bitcoin Dark DAOs: Vitalik Buterin explores ways to mitigate bribery threats Share Tweet Share Share Email Comments Proof of Complete Knowledge (PoCK) aims to prevent bribery attacks by ensuring real control over voting keys. Related Items: Share Tweet Share Share Email Click to comment Leave a Reply Cancel replyYour email address will not be published.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.