Wendy Wang2021-06-28T23:08:30-04:00HOWELL, N.J., June 28, 2021 /PRNewswire/ -- Cardknox, a leading developer-friendly, omnichannel payment gateway, today announced its Quick Response (QR) code capability, allowing developers and their merchants to deliver a contactless payment option that reduces friction and boosts sales. With QR code technology,...