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QR codes are widely used in China for example for quick transactions: https://a16z.com/2017/08/11/qr-codes-in-china/ https://a16z.com/2017/08/11/qr-codes-in-chi
by Leace 8y ago
QR codes are widely used in China for example for quick transactions: https://a16z.com/2017/08/11/qr-codes-in-china/ https://a16z.com/2017/08/11/qr-codes-in-china/