Parity Technologies is an influential blockchain development company that offers a variety of open-source software solutions for creating and using decentralized technologies. Some of their solutions include Ethereum and Bitcoin clients, cross-chain technologies, smart contracts, testnets, and cryptocurrency wallets. The company was created by Gavin Wood, the co-founder of Ethereum.

Veritaseum develops blockchain-based software solutions for capital markets. Their goal is to decentralize access to these markets, with both centralized and decentralized solutions, for a range of financial institutions. The company assists their clients in building bespoke decentralized applications. Veritaseum's software solutions are built upon their platform, which allows for the creation of Veritas sub-tokens that serve the specific needs of the client.

Chain is a blockchain software company that creates blockchain-based systems for financial institutions and major companies. They've developed blockchain solutions for companies like Nasdaq, Visa, and Citigroup, as well as a variety of crytpocurrencies. Chain has been successful in incorporating distributed ledger technology in very large and influential companies. Their focus is on using the core innovations of blockchain to improve existing systems. Chain uses blockchain as a software tool that can be applied where it is important for services or product to have more trust, or to build a network without an intermediary