Prysmatic Labs is a grassroots team of software engineers that builds technical infrastructure for the Ethereum blockchain. Their flagship project, Prysm, is a production client for Ethereum Proof-of-Stake, allowing anyone to participate in the consensus of the blockchain. They prioritize usability, security, and reliability in their work, which is free and open-source. They are strong believers in Ethereum's mission to create a more fair, open, and censorship-resistant Internet.