Although international trade has been tried electronically many times, it has not been shared with people involved in international trade because of its wide range of objectives and difficulty. The innovative trade settlement method (TSU/BPO) described below is centered on international civil society organizations that are joined and organized by national banks. Bank settlement is the mainstay and settlement rules are set by ICC. Therefore, the digitization of international trade settlement is of great significance. So far, trade settlement mainly relies on letter of credit payment and remittance settlement. TSU/BPO has the advantages of these two methods, and has attracted attention as the third trade settlement method in the world trade field.