why should someone trade 1t+ adena by more chars or more complicated? only to get scammed? your way, there are plenty ways to bypass this adena limit. I was selling gk necklace lv1 with price over 1t, and people were asking constantly price price price? what for, it cant be traded for adena, over.
about adena overflow, decrease adena drop or increase adena consumption. first good step was vitality in grocery, now this event will also help a bit (changing adena to overenchanted staffs), but there are plenty other ways to remove adena from servers. in korea, they have alive economy, this whole video is about boosting dk class. https://www.youtube.com/watch?v=qPTn3-GG4xU
notice prices of aug stones - one augment w/o stone removes 20m adena from server (adena price of aug and R gems), watch and learn juji.