The Czech Republic Koruna (CZK) is the official currency of the Czech Republic and it is used for all transactions within the country. It is also available for trading on the foreign exchange markets, making it an attractive choice for investors. CZK is often used as a safe-haven currency due to its stability, and it can provide investors with a hedge against market volatility. It is also an attractive option for investors looking to diversify their portfolio, as the CZK is not correlated with other major currencies. CZK can provide investors with a low-risk investment opportunity and potential profits when trading against other major currencies.