Abstract:The main problem during the data transfer is security. In early days various data transferring techniques has been used like wired data transfer, wireless data transfer, satellite based data transfer etc. But each techniques has some drawbacks like security, data transfer rate, data loss etc. The most important problem is the security and data breaching. In order to overcome these problems, Light Fidelity (Li-Fi) is introduced in this proposed work. It is a new technique to transfer secured data using lights. For data transfer, LED (Light Emitting Diode) is used, both in transmitting as well as in the receiving end. Light from the device that can display and communicates to the color sensor on the consumer product, it then converts the light into digital information. The speed is sufficient for the humans to visibly read a file. This portable device is more powerful and can be widely used for communication
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