Reddcoin is building a digital currency platform that can be integrated with major social media networks. It will allow users to send and receive crypto as tips for sharing content. Reddcoin uses a minting process instead of mining and has a Proof of Stake Velocity (PoSV) consensus mechanism.

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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.

Howdoo is a decentralized social media network that rewards users for posting content. Their goal is to provide more direct incentives to content producers that share their content on social media networks. Howdoo's network will be governed by a system of nodes that will be required to stake tokens, and will be rewarded for their role in maintaining the networks with a percentage of the platform's revenues. Howdoo is powered by the Ethereum-based UDOO token.