Effective Power Management depends on Firmware Gateways Remote connections, SSH Device management Radio / Networks Long range / Low Power Source: https://makezine.com/2017/06/27/state-boards- platforms-products-purposes-current-crop-microcontrollers- vies-attention/
we use it for? – Secure Hardware-Based Key Storage up to 16 keys, certificates or data – Hardware Support for Asymmetric Sign, Verify, Key Agreement ECDSA, ECDH, NIST P256 Elliptic Curve Support – Internal high-quality FIPS Random Number Generator (RNG)
Arduino IoT Cloud is encrypted using Transport Layer Security (TLS) – Device authentication using X.509 certificates – Initial support for JSON Web Tokens (ECDSA P-256 SHA-256) in ArduinoECCX08 library – AES-128 (for LoRaWAN™), AES-CMAC for messages exchange, which includes encryption and integrity.