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Even though there have been various proposed and wideley used ciphering techniques in cryptography, main improvements in this field came out with the idea of “super computing”. Till now, popular methods like DES, AES and RSA which can be mathematically cracked in a duration of universe’s age, have been proposed. But all of these methods’s future is at risk because of the studies in production of “Quantum Computer”s of which computation speed is estimated to be very high so that no other existing super computers compete with them. At this stage, by using quantum mechanics a new method called “Quantum Key Distribution” and its protocols for the process of building cipher key, are proposed instead of determining new mathematical solutions for securing the data. In this study, a simulation project based on previously proposed Quantum Key Distribution protocols BB84 and B92, will be explained. At the end of the project by using BB84 and B92 protocols, a comparison of quantum bit error rates and detection rates of eavesdropping according to protocols, is done and results are obtained.