>"Fearing further blocking by YouTube, they decided to back up content to Odysee, a website built on a blockchain protocol called LBRY, designed to give creators more control. About 975 videos have been moved so far."
I think this is them? I can't readily verify this (and also everything's written in Kazakh).
[late edit] Related HN discussions about the protocol:
https://news.ycombinator.com/item?id=12418081 "LBRY – A decentralized YouTube alternative" (2016)
https://news.ycombinator.com/item?id=13928774 "Lbry.io – decentralized digital library" (2017)