Definition ∞ Secure training refers to methods and protocols used to develop machine learning models while preserving the privacy and confidentiality of the training data. This involves techniques such as federated learning, homomorphic encryption, and differential privacy, which prevent sensitive information from being exposed during the model development process. The goal is to allow multiple parties to collaboratively train a model without sharing their raw data. Such practices are essential for applications dealing with sensitive personal, financial, or medical records.
Context ∞ The intersection of artificial intelligence and blockchain technology is bringing secure training methods to the forefront of discussions around data privacy and decentralized AI. A key debate involves balancing the computational overhead introduced by privacy-preserving techniques with the imperative for robust data protection. The increasing regulatory scrutiny on data handling, particularly with digital assets, highlights the need for verifiable and auditable secure training solutions. Future developments will likely concentrate on optimizing these cryptographic methods for practical, large-scale deployment.
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