How does the secure middleman process work for sellers? How does it work? 1). Sellers create and post middleman buy now listings (click here) 2). Buyer clicks on buy now listing and completes payment 3). We verify and secure the buyers payment 4). We create a 3 way conversation ticket with the Buyer and Seller 5). We inform the Seller which specific account information they need to release to the Buyer 6). During this process, we will communicate and guide both the Buyer and Seller. 7). Buyer secures and verifies the account 8). Payment is then disbursed to the Seller Middleman: Sellers Guide | PlayerUp - Video Game Accounts Marketplace. Player 2 Player Secure Platform.