How to create virtual money?

Could you possibly elaborate on the process of generating virtual money? I'm quite curious about the intricacies involved in creating such a currency. Could you please explain the steps involved in its creation, from the initial concept to its actualization? Are there any specific technologies or algorithms that are employed in this process? Also, how does this virtual money differ from traditional currencies? Could you possibly provide insights into its functionality and usage? Your expertise in this field would be greatly appreciated.