How can I create a currency for my application

Question

I am so frustrated, I've searched everywhere but couldn't find a thing, I am developing an application and I want to built in app currency and connect real money to it, like uc in pubg. Can anyone help me to understand this please.

Answer 1

1. Where code?
2. Which language and what framework?
3. Pseudo code will be:
x= get zakovia currency to USD from zakovia.bank.com.api
USD.balance = my balance in ZAK/x