An encrypted data vault is a device that employs a sophisticated encryption algorithm to encrypt your data and utilizes its built-in memory to store your data in an encrypted form.
You can find the tutorials here: https://www.instructables.com/Encrypted-Data-Vault-ESP32-Version/
And here: https://www.instructables.com/Encrypted-Data-Vault-Raspberry-Pi-Pico-ESP32-Versi/
Cryptographically strongest encryption algorithm utilized by the Raspberry Pi Pico + ESP32 version:
Cryptographically strongest encryption algorithm utilized by the ESP32 version:
