Greetings guys ! I'm about to recieve a $400 payment regarding a service that I completed (3D Mapping for a gaming community) and I was wondering what i can do to avoid paypal disputes, if the guy decides to scam me. I'm afraid of the guy claiming it wasan't him or of he opening a dispute. What can I do ? Can I ask him something, like a document to prove it's him ? Is there a payment plataform that manages that ? Any suggestions ? Thanks !