Performance Comparison Between RSA and Elliptic Curve Cryptography-Based QR Code Authentication In the QR Code authentication technique, smart phone has become a great tool and played an important role in the authentication process. It has been used in various fields over the internet, especially in multi-factor authentication. However, security aspects should be well taken care of. In this paper, the performance comparison between RSA and Elliptic Curve Cryptography-based QR Code Authentication is proposed. It mainly focuses on QR Code, as it is now widely used all over the world. In addition, existing and related work has leveraged the use of RSA, but no work done on Elliptic CurveCryptography. The experiment results and comparisons are shown and described in this paper.