MetaMask integrates Layer 1 Sei, expanding supported blockchain list

MetaMask, the crypto wallet with over 100 million users, has added support for Sei, a Layer 1 blockchain, bringing the total number of supported blockchains to over ten.

The latest integration allows MetaMask users to access Sei-based applications, tokens, NFTs, and other assets directly from the wallet. They can now swap, bridge, and purchase Sei tokens using built-in fiat onramps such as credit cards and Apple Pay.

The integration also adds a dedicated Sei ecosystem page within MetaMask Portfolio, highlighting dapps and network activity. MetaMask said the goal is to remove friction and improve safety for users exploring new blockchains, without requiring manual setup or unfamiliar third-party tools.

“Expanding MetaMask to support emerging networks like Sei is about solving real problems for users,” said Gal Eldar, global product lead at MetaMask. “Web3 is moving toward a multi-chain reality, and users shouldn’t have to wrestle with different wallets or complex bridges to participate.”

Sei, which launched its mainnet in 2023, has gained traction since the recent launch of its Ethereum virtual machine (EVM)-compatible chain, Sei V2. The network now reports over 4.2 million transactions per day, with more than 11 million monthly active users and over $600 million in total value locked or TVL.

MetaMask has steadily expanded beyond Ethereum in recent years, supporting both EVM-compatible and non-EVM chains as part of its push to become a unified access point for all onchain activity. Currently supported blockchains include Arbitrum, Base, Solana, BNB Chain, and Linea, among others.

The SEI token is currently the 75th-largest cryptocurrency, trading at around $0.30 — up roughly 1.5% in the past 24 hours — with a market capitalization of about $1.7 billion, according to The Block’s SEI price page.

MetaMask co-founder Dan Finlay recently told The Block that the team is still considering launching a native token for the wallet. MetaMask’s parent company, Consensys, has long explored the idea of issuing tokens across its product lines, including MetaMask, as part of a broader push for “progressive decentralization.”

“If we ever do it, it’ll be advertised directly in the wallet. You’ll be able to find a link directly in the wallet,” Finlay said at the time.

© 2025 The Block. All Rights Reserved. This article is provided for informational purposes only. It is not offered or intended to be used as legal, tax, investment, financial, or other advice.

 

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