Steemit!!!

Steemit includes third-party applications, such as d.tube a decentralised video platform based on the InterPlanetary File System (IPFS) protocol. D.tube is similar to YouTube, but without advertisements, instead uses the built-in Steem currency ...
Users: >500,000 (as of December, 2017)
Launched: March, 2016
Registration: Free. Mandatory for editing
Available in: Mainly English. Content is available in several languages.