Users can submit reviews with a small deposit. Those reviews must follow some particular rules (ex: no profanity, no extortion or bribery offer to change the score, etc). Parties can challenge reviews and gain part of the deposit of the submitter if their challenge is successful.
Alice makes a review of a toaster insulting its creator.
Bob makes a review of a restaurant, giving 1 star and asking a payment of 0.01 ETH to change it to 5 stars.
Users can submit reviews with a small deposit. Those reviews must follow some particular rules (ex: no profanity, no extortion or bribery offer to change the score, etc). Parties can challenge reviews and gain part of the deposit of the submitter if their challenge is successful.