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      - **Total bits sent** refers to the total number of qubits transmitted during the key distribution process.
     
       
-     This formula is essential for determining the level of interference and security in quantum communication systems. The lower the QBER, the higher the security of the quantum key distribution process.
+     [This formula is essential for determining the level of interference and security in quantum communication systems](). The lower the QBER, the higher the security of the quantum key distribution process.
 This section can be added to your README.md for a comprehensive explanation of Gilles Brassard's work and the formula related to the BB84 protocol.
 
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