1) Log into your Orderbook account and on the Dashbaord, click on "Top-up" in the "Your Security Deposit" tab.
2) Confirm that you understand and agree that any security deposits are non-refundable. Click on "Confirm".
3) Scan the QR code or copy the wallet address to transfer USDT. Please read the instruction carefully before doing any transfers.
4) You will see the amount appear in "Your Security Deposit" when the transfer is completed.