So simply separate numbers from each others at profile and specially at trade and cs window.
Instead of current 1000000 it could be 1,000,000. Its bit annoying always count zeros when trading to be sure is it 100k or million. This also could lower rate of this type scams and ppl buying accidentally for wrong amount of gold.

1000 = 1,000
10000 = 10,000
100000 = 100,000
etc etc