Quick Response (QR) codes may be used to securely display 3D images on your phone, even without involving the often-untrustworthy internet, scientists say. "We have developed a method of using QR ...
Two-dimensional (2D) barcodes, more prominently recognized as QR codes, are back in fashion—with much demand for just about 'contactless' everything these days. Coinbase didn't waste time in seizing ...
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