Tharsis Labs is the core developer of Evmos, a blockchain that allows for cross-chain transactions between Ethereum and Cosmos

Evmos is an evolution of Ethermint, a proof of concept introduced in 2016 as a way to deploy smart contracts on Tendermint in order to use proof-of-stake (PoS) for their consensus, thus removing the need to use less ecologically-friendly solutions like proof-of-work consensus (the one Bitcoin and Ethereum currently use)

Evmos started out as the open-source Ethermint library of tools for making a Cosmos blockchain that’s fully EVM compatible. It's an environment that’s popular with developers on layer 1 blockchains because of the easy transition from Ethereum