Philippine Peso (PHP) with GCash deposit directly, without handling USDC or crypto exchanges.

User flow
- Clicks Deposit and selects Fiat → Peso (PHP).
- Choose GCash as the payment method.
- The UI displays:
- The current FX rate between PHP and USD/USDC
- Select: The PHP amount you wish to deposit
- The system will generate a QR code.

- Users can pay with GCash by scanning the QR code or clicking Open in GCash to complete the payment in the app.
- After completing the payment, click I HAVE PAID and wait for the funds to arrive.
