A Quick Response code is a two-dimensional block image containing a black and white pattern representing a sequence of data. The images are scannable and are often used to encode bitcoin addresses.

A Quick Response Code, ordinarily known as a QR core, is a kind of digital code used to store or connection to information. It resembles a label that can just be read by a machine. Organizations use QR codes for everything from tracking inventory to creating links people can scan to get more information about a product.

A QR code (Quick Response code) is a two-dimensional barcode that can be scanned using a smartphone or QR code reader to quickly access information. Comprising black squares arranged on a white background, QR codes can store various types of data, such as URLs, text, or contact details. Developed in 1994 by Denso Wave, a subsidiary of Toyota, QR codes were initially used for tracking automotive parts. Today, they are widely employed in marketing, payments, ticketing, and more due to their ability to store large amounts of data and facilitate rapid information retrieval with a simple scan.