Hyperledger is a company that focuses on advancing blockchain technology across various industries. The company offers enterprise-grade blockchain technologies that are used to transform the way business transactions are conducted. These technologies are primarily used in the financial sector, among others. It was founded in 2015 and is based in San Francisco, California.

R3 is a company focused on the digitization of financial services within the enterprise technology sector. It offers a private, permissioned distributed ledger technology (DLT) platform named Corda, designed to enable secure and direct digital collaboration among regulated institutions. R3's solutions cater to various sectors including banks, central banks, corporates, exchanges, central counterparties, and fintechs, providing services such as tokenization of digital assets and currencies, streamlined inter-bank transactions, and modernization of legacy workflows. It was founded in 2015 and is based in New York, New York.

Ripple focuses on providing cryptocurrency and blockchain solutions. It offers services such as cross-border payments, cryptocurrency liquidity, central bank digital currency, and more solutions. It primarily serves financial institutions, enterprises, and governments. Ripple was formerly known as OpenCoin. The company was founded in 2012 and is based in San Francisco, California.

SettleMint is a Blockchain-Platform-as-a-Service company that operates in the technology sector. The company's main service is to provide a platform that simplifies the integration of blockchain technologies into applications, offering a suite of APIs, developer tools, and frameworks. This service primarily caters to the needs of businesses across various sectors, including banking and financial services, supply chain management, insurance, and healthcare. It was founded in 2016 and is based in Leuven, Belgium.

Kadena is a company focused on blockchain technology and smart contract development. The company offers a scalable layer 1 Proof of Work blockchain and a secure smart contract language called Pact, which is designed to automatically detect bugs and prevent exploits. Kadena primarily serves the financial services sector, providing solutions designed to meet the security and throughput demands of this industry. It is based in Brooklyn, New York.

Algorand provides a secure and decentralized digital currency and transactions platform. It offers an open-source protocol that enables even the smallest transactions, regardless of transaction volume or the number of users. It primarily serves the financial technology industry. The company was founded in 2017 and is based in Singapore.