aspg-3-719-1791417717 20261008000157 American Scientific Publishing Group admin@americaspg.com American Scientific Publishing Group Fusion: Practice and Applications FPA 2770-0070 2692-4048 2021 4 1 Vanita Jain Bharati Vidyapeeth's College of Engineering, INDIA Rishab Bansal Bharati Vidyapeeth's College of Engineering, INDIA Mahima Swmai Bharati Vidyapeeth's College of Engineering, INDIA Achin Jain Bharati Vidyapeeth's College of Engineering, INDIA In this paper, the authors analyze RFID technology, different types of Tags, Readers, and various protocols associated with RFID. We read, write and dump the raw bytes from the MIFARE Classic Card using RC5220 and Arduino Mega. Delhi Metro Card uses MIFARE DESFire. MIFARE DESFire uses 3(DES) for encryption. In this paper, we also read the data structure of the Delhi Metro Card. Additionally, we also compare MIFARE Classic Card and MIFARE DESFire Card. 2021 22 31 719 https://creativecommons.org/licenses/by/4.0/ 10.54216/FPA.040103 https://www.americaspg.com/journal/3/article/719 https://www.americaspg.com/storage/8297.pdf