In order to buy cryptocurrencies on the OKX exchange using GEO Pay, you need:

1. Create or log into your OKX account and complete KYC verification
2. In the top menu, click on the Buy cryptocurrency button
3. Click on the button Buy using a card or Payment of third-party services
4. Select the UAH currency and the cryptocurrency you wish to exchange
5. Enter the amount of UAH for which you want to buy cryptocurrency and click the Buy button
6. Select the GEO Pay payment service and click the Pay button
7. Confirm the transition to a third-party payment service in the window
8. In the GEO Pay payment window, enter the card details and click the Pay button (see the diagram below)