If winner doesnt activate the key, his account will be banned on this site. So I doubt more than 1 person thinks about re-selling keys, as you write.
And by the way, thanks for the chance :D

Thank you!

I am a great believer in luck, and I find the harder I work the more I have of it.

Can you tell me how to collect the key back?

Thx, GL

Thanks!

Thank you for the opportunity! :)

Thx for the chance