The ZK team focuses their research on Zero Knowledge Proofs, Interactive and Non-Interactive Proofs, STARKs, SNARKs and the cryptography behind these technologies.
The Eth team actively contributes to Eth client, Lodestar, and also researches on other parts of the roadmap towards the new era.
The MEV team researches MEV-based tools, smart contracts, bots, and products. They also collaborate with other groups working in the same space to contribute towards the ecosystem.