🤖 AI Dev Tools

Federated Learning's Privacy Promise: I Built a Health Tracker with Flower—Does It Hold Up?

Your Fitbit knows your heartbeat better than your doctor. But training AI on that data without shipping it to the cloud? I rolled up my sleeves with Flower's federated learning framework to find out if it's real or just another privacy fairy tale.

Diagram showing Flower server aggregating model updates from edge devices like smartwatches without sharing raw health data

⚡ Key Takeaways

  • Federated learning with Flower keeps health data on-device, using gRPC and Docker for realistic sims.
  • Simple LogisticRegression demo works, but real apps need advanced defenses like differential privacy.
  • Privacy promise is real for devs, but Big Tech will likely centralize profits long-term.
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Originally reported by dev.to

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