Kadena is a software development company that builds blockchain-based platforms for a range of businesses. They develop purpose-built blockchain solutions for their clients by using proprietary solutions that are aimed at being both secure and scalable. Kadena offers both private and public blockchain platforms, with smart contracts written in the Pact programming language. They've also developed an innovative proof-of-work architecture called ChainWeb that could have a variety of applications.
Kadena's founders have experience working for the U.S. Securities and Exchange Commission (SEC) and JPMorgan Chase Bank. The company has raised significant funding and is well positioned to be play a big role in developing future blockchain solutions for large financial institutions.

EdenChain is developing an enterprise tokenization platform that will be based on their permissioned blockchain technology. Their goal is to enable enterprises to create customized digital assets based on their unique needs, and still maintain a high degree of control and privacy. EdenChain will use Merkle Tree and Namespace technology to solve performance issues by executing transactions in parallel; thus enabling more transactions per second, with lower transaction fees. EdenChain utilizes both a hardware and software solution to arrive at a consensus, and has a triple layer architecture that is significantly different from other tokenization platforms. Their hybrid consensus mechanism that will combine a protocol called Median Voter Thereom (MVT) with Proof-of-Elapsed-Time (PoET). PoET was designed and marketed by Intel, and is similar to PoW but requires less electricity. The company issued an Ethereum-based token called EDN.

T‍he Flow Blockchain aims to be a developer-friendly blockchain for a new generation of DApps and digital assets that power them. Flow Blockchain is based on a unique, multi-role architecture, and is designed to scale without sharding, so that it can accommodate consumer applications with more users. The project was created by Dapper Labs, which previously created Crypto Kitties, one of the most popular blockchain collectible projects. Flow is now being used by NBA Top Shot, an officially licensed NBA platform for player related, blockchan-based collectibles. The founders: Roham Gharegozlou, Dieter Shirley, and Mikhael Naayem launched Flow with the goal of simplifying the DApp development experience.
Flow uses a Proof of Stake consensus mechanism. Flow coins are intended to be used as payment for validation services, data and computation, governance, as well as for collateral for secondary tokens that may be created on the platform in the future.