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QR payments help small vendors
VIETNAM, August 15 - By Minh Hương HÀ NỘI — Despite having no small cash in his pocket, Hoàng Dương can still pay for his cup of tea to a vendor in Quán Thánh street, Hà Nội, by scanning a QR code from his smartphone even though the cost is only VNĐ3,000 ( …