Amazon.com: iMatrix Sentry-1 Wireless Magnetic Door & Window Sensor Data Logging/Alerts - Includes Magnet and Tamper Switch. It Runs on Battery, Reports Open/Close Status, and Counts Entries : Tools & Home Improvement
Future Internet | Free Full-Text | EngraveChain: A Blockchain-Based Tamper- Proof Distributed Log System
How Does Server General Create Tamper-Resistant Logs? – Server General
GitHub - taustin/hardenedLogger: A logging framework using a proof-of-work blockchain to provide tamper resistance.