A quick response code or QR code is a barcode that contains hidden information inside it. This information can be a URL, Email, Text, Call, SMS, Whatsapp, Skype, Wifi, V-card, Paypal, Bitcoin, etc. The QR Code can be scanned using a QR code scanner. Upon scanning the QR Code the information can be seen. The use of QR codes has become an integral part of today's lifestyle. Also, a QR code is being used to receive or send money. It was first introduced and used in 1994 in Japan.