I believe the reason why smartphones have instantly become popular worldwide is that they were originally designed to be "tools for communication," thus satisfying a basic human desire. Moreover, if new information technologies are truly advanced ones, we should be able to utilize them also for enhancing information security and maintaining people's trust in financial transactions.
This sequence of events underscores the practical need to promote the use of regional currencies in intra-regional trade and to facilitate increased use of non-traditional reserve currencies in international trade and finance. 3. According to a recent World Trade Organisation paper on the use of currencies in international trade, almost all non-reserve currencies are viewed as underutilised, i.e.