For example, in September 2021, the 900 platforms listed on our <a target="_blank" rel="noopener noreferrer" href="https://instances.joinpeertube.org/instances">public index</a> host only ~1% videos tagged as containing sensitive content.
It's based on <a target="_blank" rel="noopener noreferrer" href="https://en.wikipedia.org/wiki/WebRTC">WebRTC</a>, a free and open-source project for web browsers.