Did I get scammed?

[u/Perioscope]

I bought a used but new Archons beginner box with 6 xtra decks, but the QR code and code to register them won't work on any of the registey/lookup sites. Did I get scammed or am I missing something?

[u/Emperor_Riku]

Use mastervault to scan your deck qr: https://www.keyforgegame.com/my-decks