The seller sends a link with the trade video stream to a video recognition server, where it is processed and turned into a smart contract readable information packet and stores it on the blockchain.
The smart contract pulls the data from the blockchain, identifies the trade and releases the funds 24 hours after both trade parties are satisfied, or the juries have resolved a dispute.

And GGGuard will be dealing with this data as an escrow system born from the integration of a video recognition
algorithm, a system of game API interaction and a bot that decides if the deal has been fulfilled in game.

In a few words.
Better read our short article https://medium.com/@GGRocket/video-recognition-how-we-use-it-to-make-our-escrow-better-for-games-5111ce91e9b