QRCode is abbreviated as Quick Response Code and we are quite familiar with QRCodes now a days. It is used for authenticated and quick online payments. A QR code uses four standardized encoding modes (numeric, alphanumeric, byte/binary, and kanji) to store data efficiently; extensions may also be used.
A QRCode is an arrangement of black and white squares and can be read with various QRCode Scanners and is convenient today because every smartphone has a QRcode scanner app.
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