The Matic Network is a sidechain based scaling solution for public blockchains. Matic aims to allow developers to better scale their Ethereum DApps by using a version of Plasma, along with side chains that use a PoS consensus mechanism. Matic plans on supporting other blockchains as well in order to facilitate interoperability.

The Elrond blockchain platform is designed to be a public development infrastructure that will be more secure, efficient, and scalable than other blockchain platforms. The Elrond blockchain is aimed at DApp developers and enterprises. Elrond will have a Prof of Stake consensus mechanism, and will include an Adaptive State Sharding feature that will allow multiple validators to process transactions in parallel.

Polymath is a blockchain-based protocol that makes it easier to raise capital and create security tokens. The Polymath ST-20 standard embeds regulatory requirements into the tokens themselves, restricting trading to verified participants only. The protocol simplifies the complex technical challenges of creating a security token and aims to bring the multi-trillion dollar financial securities market to the blockchain.