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by sorryforthethro 2592 days ago
Federated Learning[1] you can train across multiple customer data by sending the in-training model to every device, then exfiltrating only the backprop adjustments you get back. In-theory, user data never leaves the device. In-practice, the backprop data has the information encoded within it to an extent, it's very difficult to secure.

[1] https://medium.com/syncedreview/federated-learning-the-futur...