1, hedging: forward foreign exchange transactions, forex futures trading, foreign exchange options transactions, etc. ;

2. Choice of transaction currency;

3. Financial market operation: investment law and loan law;

4. Economic risks can be diversified.

The exchange rate of any country's currency is determined by the country's central bank and national economic form. There must be uncertain natural and man-made disasters, so there is no way to avoid them in the world.

However, in the history of human society, gold has always been a commodity to preserve value. It can be said that it is the only valuable thing for thousands of years (of course, the value is high and low, but it has always been a high-value commodity).