I think token give you a set amount of benefits such as:
able to put 5 item in AH instead of 1
extra movement speed of 3
able to do player to player trade (in KTos it was limited to 30/month)
able to upgrade 2 attribute at the same time
20 percent more exp, can stack w/ exp book (purchase w/ TP in shop)
there might be more I forget to list