DEMONETIZATION AND IMPROVING SECURITY IN MONEY TRANSACTIONS USING SMART CARDS AND GSM TECHNOLOGIES

Due to Demonetization of money in India recently, there is a need for public to use smart cards for transactions. In this paper we review various attacks on smart cards and methods of improving security in transactions. We propose a design of a system which provides very high level security by using smart card and GSM technologies. This system is equipped with a smart card reader and a GSM modem. The user essentially should carry the same mobile number as defined in the smart card with him to get access to the system. This eliminates the misusage of individual smart card technology based security systems. The main purpose of this paper is to design and give effect to a safety system based on RFID and GSM technology which can be put into order in bank, offices etc. In this system only true, right person can with draw his money from safety. We have designed a safety system based on RFID and GSM which can active, make certain, the user and unlock the door in true time for safety get way in. This system is chiefly of microcontroller, RFID reader, GSM modem, keyboard, and LCD, in this system the RFID reader reads the identification number from tag and sends to the microcontroller, if the identification number is accurate then microcontroller sends the SMS request to the person's mobile number, for the first form let-through secret word to open the safety, if the person send the let through secret word to the microcontroller, which will make certain of the let-through secret words entered by the key board and received from phone. If these 2 let-through secret words are matched the locker will be opened otherwise it will be kept in locked position, This system is more safe than other systems because 2 let-through secret words are needed for verification.