It's worth bearing in mind that at some point in the hopefully not too distant future we should be having a serious discussion about reactions in regard to what is useful and perhaps how they can be used to help manage the community. That may well lead to the appearance of a negative reaction.
I would guess that, if that does come about, it would be best left anonymous so whatever happens, keep that in mind.
On the whole subject of displaying the names of those giving reactions my view is that it is unnecessary. Simply seeing evidence that your post has been appreciated should be sufficient and since we've not been able to see who has reacted, I've noticed a marked reduction of, what shall we call it, mutual giving (if I give you one, you'll give me one!). That was something that was rife throughout the community in the days of kudos and, in my opinion, we are better without it.
So, in view of all that, my choice is none of the above.
Let's keep reactions anonymous and used a genuine mark of appreciation rather than as a perceived way of gaming the system.