Keys are hitting the dusty path too. They will naturally be changed over into Credits following the Blueprints Update. This will be another money in the game — 100 Rocket League Credits Credits for each Key, not a terrible exchange off.
Gamers should take note of that every single game buy will be incapacitated a day prior to the large update. 9 am PST on December third; players won't have the option to make any exchanges, including DLC's, exchange ins, and play-to-player exchanges. Designers are doing this to ensure nobody purchases any additional cases and keys, and to play out the huge transformation of things.
Finally, about this subject, players would now be able to Buy Rocket League Credits chronicle things they would prefer not to find in the stock. Association is vital!