I think, unfortunately that it's not allowed
judging from theymos (admin) quote
Specifically, you are not allowed to give people any incentive to post insubstantial posts in your threads. You can't offer to pay people who post their addresses, usernames, etc. You can do giveaways off-site and link to the giveaway page in a thread, but you can't give people any bonus for replying to your thread.
You're taking theymos' post out of context. It's posted in
Alternate cryptocurrencies >
Altcoin Discussion, and theymos' post literally starts with this:
Most giveaway threads are no longer allowed in the Alternate cryptocurrencies sections.
Altcoins with no value caused spam, Bitcoin giveaways have an actual cost for the person running it, and thus an incentive to use it wisely.
ask reviewers to post in this thread instead.
That would indeed be totally acceptable.