Why the QR code become ubiquitous in India - The Economic Times

Stamped on the walls of kirana shops and Covid-19 vaccination certificates, QR codes have become a part of our daily lives, with almost every product manufacturer or service provider using it to drive home a specific objective.

Here's how QR code payments are convenient for people today - The Economic Times

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4SQR-Code: A 4-state QR code generation model for increasing data storing capacity in the Digital Twin framework - ScienceDirect

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Why the QR code become ubiquitous in India - The Economic Times

How QR codes revolutionised Indian commerce

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