You must not be aware of a special feature of Paytm that let's users to scan QR code sent on WhatsApp without using any other phone. Watch this tutorial video on how to do so.

QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account information, and phone numbers.

QR codes can help small business owners, like Kim Kardashian, capture customer emails, gain social media followers, and support clients after purchases.