Sei Labs has revealed a bold new proposal that could reshape the Sei blockchain by focusing exclusively on Ethereum Virtual Machine (EVM) compatibility and dropping support for Cosmos transactions and CosmWasm contracts. The proposal, known as Sei Improvement Proposal-3 (SIP-3), marks a significant shift in the project’s strategy and aims to simplify the blockchain’s infrastructure, making it easier for developers and users to build on.
Under the new proposal, Sei would transition to an EVM-only chain, eliminating dual support for both EVM and Cosmos accounts. This move comes as Sei Labs acknowledges the growing dominance of EVM usage on its network. The proposal highlights a vision for a more streamlined, EVM-first architecture that the team believes will drive the next generation of decentralized finance (DeFi), gaming, and real-world applications.
“The current dual setup has created friction for users and developers,” said Jay Jog, co-founder of Sei Labs. “By shifting to EVM, we’re simplifying the experience and making it easier for the ecosystem to grow.”
If the proposal is approved, only EVM addresses would be able to send transactions on Sei. The removal of CosmWasm contracts and Cosmos message handling would also be part of the change, while staking and governance functions would remain through EVM precompiles. As a result, infrastructure providers would need to adapt their APIs to an EVM-only framework, and users would have to transition their assets to EVM-native wallets or bridge out Cosmos-based assets. Additionally, developers of CosmWasm applications would need to port their projects to the EVM.
Sei Labs believes that this shift would reduce infrastructure overhead and strengthen Sei’s position within the broader EVM ecosystem, improving both the developer and user experience. However, no specific timeline has been provided for when the proposal might take effect.
The announcement has already had an impact on Sei’s market performance, with the SEI token rising by 6% to $0.20, accompanied by a 17.27% increase in trading volume, according to data from crypto price platforms.
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