RedotPay supports various digital currencies, including USDT (ERC20, TRC20, BEP20), USDC (ERC20, BEP20, Polygon), BTC, ETH (ERC20, BEP20), and USD. Follow these steps for on-chain deposits:

1. Open the App: Launch the RedotPay app and navigate to the deposit section.
2. Choose Digital Currency: Select the digital currency you wish to deposit (e.g., USDT).
3. Select Transfer Network: Choose the appropriate network (ERC20, TRC20, BEP20).
4. Get Deposit Address: The app will display the deposit address and a QR code.
5. Transfer Funds: Transfer funds from your wallet to this address (minimum deposit amount is 1 USD).
6. Processing Time: Allow a few minutes for the transfer to be processed.

These steps ensure a smooth on-chain deposit process for your RedotPay Card.