Blockchain

The world's 1st cryptographic video platform, decentralized and built using the infrastructure provided by the STEEM blockchain, along with the IPFS P2P network.

And simpler?
A video streaming video hosting service that uses blockchain technology for the database.
This makes it decentralized, like Torrent or Telegram Messenger. That is, there is no single place where it is located, and therefore it is impossible to block it.
Which means if YouTube gets blocked, you can safely use this video hosting.

The only way to block it is to disable the Internet, as Lukashenko did in Belarus. But you won't be able to block it for long. In Belarus, ATMs stopped working and had to bring back the Internet, otherwise there would be a collapse.