In this thesis work we will try to understand what the information paradox is and what it means that information must be preserved. In particular, we will analyze the first historical escape routes to the paradox and how these did not satisfy the scientific community. Then we will focus on the solutions of professors Carlo Rovelli, Edward Wilson Ewing and coworkers in the Theory of Loop Quantum Gravity. In the end, we will try to understand which of the two could be the more acceptable solution, bringing to light the strengths and weaknesses of both
