Obviously, it goes without saying that if you're accepting PP (reversible) as a payment option for your crypto (non-reversible) transaction, then you should only deal with reputable buyers who have positive trust ratings.
I've seen too many users here get scammed by working out deals in private, as well, so try to use this thread for transparency. And lastly, don't be impatient. Always assume that someone is out to screw you.
Just want to point out both sides to how the scam can work. Sadly this was how I jumped back into crypto.
Paid for BTC via paypal (my saving grace was that I used a credit card) They did not send the BTC and I realized I had been scammed. Paypal then told me I wasn't covered under buyer protection despite using "goods and services" for buying digital currency( might not have been the wording this was almost a year ago)
My credit card company did refund me, and I'm sure the scammers were never found.