Well, I get it. You need a good defense against scammers. There will be a rating system and a complaint system. Can you offer more options to fight against scammers and tips on functionality.
Even the top review and rating sites like Trust Pilot are hounded by fake reviews and ratings; you need manpower to handle all of the incoming reviews and ratings because ratings and reviews can be manipulated, its easy to hire people to do a positive review for your platform and negative reviews to your competitor.
If you do not know how to handle this, better not to proceed with your classified ads; there's too much work involved.
He completed the development yesterday.