App needed is yellow card, download, install and verify
copy usdt trc20 address from yellow card
Enter Okx app, click Asset, withdraw, withdraw crypto, search for usdt, pick on chain, paste address copied from yellow card
chose trc20 network and send, OTP will be send to email and mobile number to finalize the transaction
then go back to yellow card
click crypto ,chose usdt and sell
click withdraw withdraw
peer to peer bank transfer
the money will be sent to your nigeria bank account you add to your yellow card

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