What are foreign exchange purchase and foreign exchange? Are all countries regulated?

Purchase of foreign exchange: domestic residents need to exchange foreign currency for going abroad or other reasons.

Foreign exchange: The currencies of other countries except China are called foreign exchange.

Different countries have different controls.

Generally, developed countries have achieved financial freedom, and residents can buy and sell foreign exchange freely.

Our country still has foreign exchange control, and the amount of foreign exchange purchased by individuals is $50,000 per year.