True randomness refers to the occurrence of events or outcomes that cannot be predicted or determined by any prior information. In a truly random process, each possible outcome has an equal chance of happening, and there is no underlying pattern or bias influencing the results. This concept is essential in fields like cryptography and statistics, where unpredictability is crucial for security and analysis. One common source of true randomness is quantum mechanics, where particles behave in ways that are inherently unpredictable. Unlike pseudo-randomness, which relies on algorithms to generate sequences that appear random, true randomness is derived from physical processes, making it fundamentally different and more reliable for applications requiring genuine unpredictability.