Can you unlock keys in rocket League?

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Tags

1. #platform
2. #patch
3. #player
4. #commonly
5. #traded
6. #rocket
7. #specific
8. #bought
9. #trade
10. #marketplace
11. #trading
12. #players
13. #items
14. #money
15. #league
16. #other
17. #crates
18. #unlock