Steemit is a blockchain-based social media platform that incentivizes participation with micro-payments to users and publishers. It was co-founded by Dan Larmimer, who also founded EOS and BitShares. Steemit has gained a significant following and is one of the most important content curation platforms in the blockchain space. Steemit's blockchain-based rewards content and social media platform is powered by the STEEM coin. Their blockchain has a Proof-of-Stake (PoS) consensus mechanism. Steemit also has a third-party decentralized video platform called D.tube that uses STEEM tokens to reward video creators.

TTC Protocol is a blockchain based social networking protocol. They are developing a decentralized platform that will provide tokenized incentives for contributing to their ecosystem. The network is powered by the Ethereum-based TTC token.

The Hive blockchain is an open-source, community-driven blockchain that was created as a fork from the Steem blockchain platform. Hive is a social media platform that was created by a group of Steem community members, after an alleged attempt to monopolize the popular content platform by Justin Sun, the founder of the Tron network. Hive has a DPoS consensus mechanism, with very fast transaction times of under 3 seconds.