Uppsala Security, Formerly Sentinel Protocol. Decentralized Solutions for Cyberspace Security. Technology that makes people feel safe. Uppsala Security built the first crowdsourced Threat Intelligence Platform known as the Sentinel Protocol, which is powered by blockchain technology. Supporting the framework is a team of security analysts and researchers, who aim to deliver a safely interconnected experience with a suite of solutions that meet the crypto security needs of organizations and the compliance standards of the cybersecurity industry.