US and EU put sanctions on Russia, assumed you were the CEO of a Russian trading company. The main business is importing and exporting goods in Russia. The markets are mainly middle Asia and southeast Asia, and Europe. One of the sanctions on Russia is some Russian banks are forbidden to use SWIFT (international banking messaging system for settlement).

Q3) After a few weeks of sanction, the Russian government announced that for those rival nations, when they imported energy from Russia, they must settle the transaction by using Rubble. What kind of exchange rate risk hedging strategy did they use? Does it work? And Why?