How are you going to change crypto money to PayPal and vise-versa? Do you know, that PayPal have buyer protection and people are able to refund money in 45 days? You just can become a bankrupt...
This will be done by the trader who will own the listing. We will act as a trusted escrow service for the other party's cryptocurrency funds, offering 50% less fees than the current market.
Maybe what he means is what will you do if you got "bad" buyer. Because out there sometime that kind of people use Paypal's refund feature and market that allow people to use paypal to exchange to another currency must really careful with it.