The acronym QR code stands for Quick Response code. It is a two-dimensional barcode that can be scanned using mobile devices to access various types of information quickly. QR codes are widely utilized in marketing, ticketing, and payments due to their ability to store URL links, contact information, and other data efficiently. The technology behind QR codes allows for fast scanning and decoding, enabling users to connect with digital content seamlessly. Their popularity has surged, especially during events like the COVID-19 pandemic, which incentivized contactless interactions.