directly monetizing the review process will only lead to more bad actors
see Amazon's problem with fake reviews, there is a financial incentive in the system already
see Amazon's problem with fake reviews, there is a financial incentive in the system already
Bringing cryptos and tokens to the problem is not going to fix this. The best and most helpful reviews are by truly happy customers who need no financial incentive.
You might also look into the sponsored "product reviews" by "content creators" and how they are, more often than not, fluff and praise for money. If you give an honest review for a bad product, you hurt you ability to get future sponsorships.