Game Mechanics Larger trading limit

Not sure if this has been suggested before but
currently, the trading limit is only 11 slots of items which is very limited in some cases with a lot of trades for mythics requiring 2 or more trades, this creates a lot of inconvenience and also gives a very big opportunity for scammers to exploit trusting people for free emeralds
An easy fix would be to make the trading menu into a double chest or adding a way to put a certain amount of emeralds as an amount rather than having to put items into the menu
I don't see any downside to this so I think it would be pretty cool if they did something about this

 

And an option to sort of “scroll down” the trade as well, assuming that the player puts in more items than the original size allows

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Probably with up and down arrows in the center column of the trade GUI that scrolls the trade by 1 row up and down