Consensys is a blockchain software and infrastructure company that develops tools, protocol software and institutional infrastructure across the onchain stack. Founded in 2014 by Ethereum co-founder Joseph Lubin, the firm employs more than 700 technologists, designers, cryptographers, product specialists and researchers, and has remained involved in the Ethereum ecosystem since the network's genesis block.
Its engineering work spans Ethereum protocol software, Layer 2 scaling, execution and consensus clients, digital asset custody and signing infrastructure, developer tooling, wallet software and managed infrastructure. Products include Linea, an Ethereum Layer 2 network; Besu and Teku, Ethereum clients; Web3Signer, signing and key-management software; Infura, developer infrastructure; and MetaMask, a wallet and onchain access product. MetaMask reaches more than 700 blockchain networks, protects $60 billion in digital assets and supports over half a trillion dollars in annual transaction volume, alongside millions of users and thousands of developers worldwide.
Beyond open-source software, the company serves institutional clients across asset management, banking, central banks, custody, central securities depositories, exchanges, financial market infrastructure and digital assets. Its work in these areas covers issuance, management and settlement systems. Engagements range from advisory and technical support to tailored platform extensions, as well as managed infrastructure, monitoring, upgrades and incident response.
Consensys operates as a global organisation, with roles typically touching cryptography, distributed systems, protocol engineering and product development.
