You can own a Bitcoin in a physical form of money, as it is an online cash which only exists on the internet.

If you want to withdraw the Bitcoin from the internet, it is necessary to convert it to other currencies which you can cash out later.

There are many Crypto-exchanges where you can exchange Bitcoins to other currencies.

For the list of Crypto-exchanges, please refer to the page here.

Bitcoin being a complete digital money, creates a number of advantages of this type of currency.