Definition ∞ Federated learning consensus combines federated learning, a decentralized machine learning approach, with a consensus mechanism, often found in blockchain technology. In this system, multiple participants collaboratively train a shared model without exchanging their raw data, preserving privacy. A consensus mechanism then validates and aggregates the locally trained model updates to produce a final, globally agreed-upon model. This approach aims to achieve collective intelligence while maintaining data sovereignty and security.
Context ∞ Federated learning consensus represents a cutting-edge area of research and development, particularly relevant for privacy-preserving applications in industries like healthcare and finance. News reports may discuss its potential to enable secure data collaboration and enhance artificial intelligence models without centralizing sensitive information. The ongoing challenge involves designing efficient and robust consensus mechanisms that can handle the complexities of distributed model training while resisting malicious actors.
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