Coding Theory is a branch of mathematics and computer science that focuses on the design of codes for data transmission and storage. It helps ensure that information can be sent accurately over noisy channels, like the internet or wireless networks. By using specific algorithms, Coding Theory can detect and correct errors that may occur during transmission, making communication more reliable. In Coding Theory, codes are created to represent data in a way that minimizes the chance of errors. For example, Hamming codes are a popular type of error-correcting code that can identify and fix single-bit errors. This makes Coding Theory essential for technologies like QR codes and data compression.