Sei
Sei is a parallelized EVM layer-1 optimized for high-frequency trading apps.
What is Sei?
Sei is a layer-1 built around parallel transaction execution and an order-matching engine at the chain level, geared toward trading-heavy applications. Developers ship EVM contracts and tap native orderbook infrastructure, while users swap on DragonSwap, lend on Yei Finance, and explore activity through Seitrace. Block times sit around 400ms.
Web3 dapps and developer tools related to Sei
Discover blockchain applications that are frequently used with Sei.
Securitize
Ondo Finance
Orderly Network
Avalon Labs
Developer resources from Alchemy
Top rollup solutions for enterprise blockchain applications in 2026
How can rollups help your business change its unit economics?
Launching support for account abstraction on Zora and Frax
We are excited to announce Account Abstraction support for Frax and Zora, two new layer 2 blockchains built on top of Optimism’s Superchain ecosystem.
How Goldsky kept transactions flowing with zero downtime
Goldsky migrated its Compose bundler and paymaster to Alchemy and built a provider abstraction layer that makes failover a single environment variable change—no code deploy, no downtime.
Sei alternatives
Explore web3 competitors and apps like Sei.
Ethereum
Solana
Cardano
Berachain
App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.
