You can use the Coins you have earned to redeem exciting cash back vouchers. To use the Coins to redeem the cash back vouchers: 

Step 1: Go to the Rewards section.

Step 2: Scroll to the Redeem Vouchers section and click the ‘Redeem’ button under the voucher you want or click on ‘See all’ for the complete list of vouchers.

Step 3: The redeemed voucher will appear in your Vouchers section.