Bought one of them. Waiting for a confirmation of the bitcoin network.
Well, got a confirmation but didn't get the code yet
Wait for 10-20 minutes after 1 confirmation and you will receive on e-mail this kind of text:
Hey there,
Thanks for your recent purchase on PayIvy.com.
Here are the serials you purchased:
kjk********f6:8Jc*******QA:B*******U5p7
Transaction ID: PI-1234456789101112131411516999
If you have any questions, you can contact us at support.payivy.com
Thanks,
PayIvy Team
Received it, it works. Forgot to reply here.