The Czech Republic Koruna (CZK) is the official currency of the Czech Republic and is used for investing and financial markets. The CZK is a freely exchanged currency, meaning that it can be traded on open financial markets. It is used for trade and investment activities within the Czech Republic and can be exchanged for other currencies. The CZK is also used to purchase goods and services in the Czech Republic. It is an important part of the Czech Republic's financial system and can be used to diversify investment portfolios. Additionally, the CZK is a safe haven currency, meaning it is a stable currency and has a high reputation in the international markets.