At the same time, each user account in PM wallet is a multi-currency account, which is divided into four different currency accounts, namely USD(PM unit, equivalent to USD), EUR(PM unit, equivalent to Euro), GOLD(PM unit, equivalent to precious metal, expressed in troy ounces) and Bitcoin (startup research &: Investment Co., Ltd. reserves the property rights of projects published on behalf of Perfect Currency in the global public database of bitcoin.org Network.