QR code (abbreviated from Quick Response Code) is the trademark for a type of matrix barcode (or two-dimensional bar code) first designed for the automotive industry in Japan. Bar codes are optical machine-readable labels attached to items that record information related to the item. It was initially patented; however, its patent holder has chosen not to exercise those rights.
All stories in QR code
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Carrefour put cheese on the blockchain and it’s going grate
Carrefour customers will soon be able to scan blockchain-enabled cheese with a smartphone to learn more about its origin. ...
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Satoshi's Treasure hacker claims first keys to $1M Bitcoin prize in minutes
The first clues to find keys to $1 million worth of Bitcoin have been released, and instead of visiting San Francisco or ...
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Android Q makes sharing your WiFi password with friends super easy
Google rolled out Android Q's first beta version for all Pixel phones last night. I've installed it on my Pixel 3 XL, and ...
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Carrefour will use blockchain to let curious mammals know where their milk came from
French supermarket giant Carrefour is pouring milk all over its blockchain, allowing its customers to see the whole thing ...
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Welcome to the weirdly wonderful world of crypto-art
A quick look into the crypto-art scene, from jewellery to street art, we give you the lowdown on how cryptocurrency is inspiring ...
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This decentralized Reddit copycat lets you buy upvotes with Bitcoin
ThunderMessage is a decentralized take on Reddit powered by the new Lightning Network - where votes are funded by Bitcoin. ...
