[S] Hybrid giveaways / Special invite link

I think it might be nice to have more options when creating giveaways.
Particularly a way to have an invite-only/whitelist option, where people from your white list can enter regularly, but people outside it can only enter through the invite link.

Alternatively, it might be great to have a special link which you can give which ignores these restrictions. It could be as simple as having a second random "key" after the game title or the first "key".

(ended giveaway, sorry) Example:
www.steamgifts.com/giveaway/To3cO/3ghk4/

This could help avoid those temporary whitelist threads and the 5 entries problem, though it might be more exploitable. It can also let people who make puzzles have their giveaways available for their whitelist and their solvers, or give them a head start if it's a contest.

Thanks for reading