Description: A joint learning algorithm is an advanced technique that allows multiple devices or entities to collaborate in training machine learning models without the need to share sensitive data. This approach is particularly relevant in the context of federated learning, where data remains in its original location, ensuring privacy and security. The algorithm is based on the idea that each participant trains a model locally using their own data and then sends only the model parameters (such as weights and biases) to a central server. This server aggregates the parameters from all local models to create an improved global model. The main features of these algorithms include the ability to handle distributed data, preservation of data privacy, and reduction of the need to transfer large volumes of information. Additionally, these algorithms are scalable, meaning they can adapt to an increasing number of participants without compromising the efficiency of the learning process. In a world where data privacy is increasingly critical, joint learning algorithms represent an innovative solution that allows organizations to benefit from machine learning while protecting sensitive information from their users.