China's infrastructure players building bridge is not the only surprise. Another surprise is that a central bank is building a bridge for digital currency. The digital currency bridge, jointly initiated by the People's Bank of China's Digital Currency Institute, the Hong Kong Monetary Authority, the central banks of Thailand the United Arab Emirates, and the Bank for International Settlements are serving as another cross-border payment solution. Recently, the central bank of Saudi Arabia announced it had become a member of the mBridge project, and some analysts has pointed out that this project will serve as a new solution for the diversification of global oil trade settlement.