Wechsel

Task

To implement a quick crypto currency, buy/sell system via credit card of any bank with the lowest exchange rate and commission.

Solution

For successful launch of the project, emphasis has been placed on three areas:
- Simplicity (all you need to use the system is the mobile phone number, wallets of all crypto-currencies are created automatically).
- Convenience (you only need to specify your bank card info).
- Profitability (at the same time, many crypto exchange API are connected, and the transaction takes place at the most favorable course for the user).