Money in minecraft is pointless once you get enough of it. Whoop dee doo you might have $100000000, who cares. At least with emeralds, diamonds and actual item trading, people have to think about what they need to trade (eg hmm I'm short on *some item*, so ill change all my signs to trade for *that item* instead). Money serves no real purpose when we have the trade signs in place except for measuring epeens.
Players will be able to trade items with other players, players can trade items with NPC's and then trade those items with players. I don't see the big deal in losing money, we never had it before and it wasn't an issue. So instead of selling items for money, players will have to trade for items they either want, or are in player demand instead of hording a whole boat load of money and not having to worry about anything at all ever again. Won't see players with massive sugarcane farms ect now because its not so easy.






