Consensys is a blockchain and Web3 software company founded by Ethereum co-founder Joseph Lubin in 2014. The company has played a significant role in the development of the Ethereum ecosystem, building infrastructure, developer tools, and protocols that support applications and financial services on Ethereum and other blockchain networks. Its technology portfolio has included products such as MetaMask, Infura, Linea, Besu, Teku, and Web3Signer.

Consensys focuses on blockchain infrastructure for developers, enterprises, and financial institutions. Its technology enables organizations to interact with blockchain networks, develop decentralized applications, operate Ethereum infrastructure, and build digital market infrastructure. Products such as Infura provide blockchain APIs and developer infrastructure, while Linea provides Layer 2 infrastructure built around Ethereum.

As of September 2026, Consensys is undergoing a major corporate separation. Its former consumer business, including MetaMask, is becoming a separate company focused on consumer self-custody, while the newly formed Consensys is continuing with Ethereum protocols and institutional blockchain infrastructure, including Linea, Besu, and Teku.

Best for: Ethereum infrastructure, blockchain development, institutional blockchain solutions, Layer 2 technology, and Web3 developer tools.