SEIL1Solidity
Build on Sei with Cheetah AI
Fastest L1 blockchain optimized for trading. Write Solidity smart contracts, test locally, and deploy to Sei mainnet or testnet — all from one IDE.
20,000+
TPS
~400ms
Finality
Twin-Turbo
Consensus
SEI
Native Token
Sei Development Features
Twin-Turbo Consensus
Parallel EVM
Native Order Matching
Sub-second Finality
MEV Prevention
Optimized for DeFi
What You Can Build on Sei
Deploy Smart Contract
beginnerLearn how to compile, test, and deploy your first smart contract to mainnet
Create ERC20 Token
beginnerBuild and deploy your own fungible cryptocurrency token
Create NFT Collection
intermediateBuild and deploy an ERC721 NFT collection with metadata
Build NFT Marketplace
advancedCreate a decentralized marketplace for buying and selling NFTs
Build DeFi Protocol
advancedCreate decentralized finance applications like lending and swapping
Create AMM DEX
advancedBuild an automated market maker decentralized exchange
Build Lending Protocol
advancedCreate a decentralized lending and borrowing platform
Implement Staking
intermediateAdd staking functionality to earn rewards on locked tokens
Yield Farming Contract
advancedBuild yield farming mechanics for liquidity incentives