To use this solution banks and businesses must authorize the State Bank. This is very complicated, not to mention the cost is also high. Also, the plan to export gold in the stockpile of the State Bank is difficult because the approval of the Prime Minister. Not to mention in case of price risk or risk of recapture, who will be responsible. The method of cooking gold bars into blocks for inspection is higher quality risk than checking each piece, so both SJC and companies do not accept.