Gret-39 ((top))

GRET-39: The Emerging Enigmatic Protein and Its Potential Role in Metabolic Health

• Secure boot + signed firmware images.
• Per-device asymmetric keys and attestations.
• Encrypt telemetry in transit (TLS 1.3) and optionally at rest.
• Rotate keys periodically and revoke compromised device certificates.
• Limit local data retention; apply on-device aggregation to reduce raw data exfiltration.

4. Experiments

• MCU + companion core, LTE-M/NB-IoT, 3 sensor slots, 10 W solar, 256 MB RAM.