over 1 year
ago -
Mike_W
-
Direct link
The extremely short and super simplified version is that you can either have the ability to trade or you can get increased personal drop rates.
There is a lot more to it than that but basically if you really like to trade, pick that one. If you aren’t a big trade fan, pick the other one.
If you’d like more information on it, please consult the post linked above. It has a very comprehensive FAQ at the bottom too.