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Sei is the first parallelized EVM blockchain, built for scalability and speed.

Quick start

Deploy a smart contract

Deploy EVM contracts with parallelized execution.

Build a frontend

Create dApps that use Sei’s fast finality.

Scaffold with create-sei

Set up a full-stack Sei project in seconds.

Verify contracts

Verify and publish your contract source code.

EVM compatibility

viem, ethers, ERC-20, ERC-721, pointer contracts, and differences in Sei behavior.

Essential resources

Chain info

RPC URLs and chain IDs

Faucet

Sei Testnet tokens

Block explorers

Inspect transactions

Wallets

Supported wallets

RPC providers

Infrastructure partners

Gas and fees

Pricing and optimization

Ecosystem & integrations

Sei Global Wallet

Onboard users from any chain with a single wallet.

Build with AI

sei-skill, MCP Server, and agent frameworks for AI-powered development on Sei.

Tokens

View and manage SEI, ERC-20, and ERC-721 tokens in wallets.

Indexers

Query on-chain data with Goldsky, The Graph, and other indexers.

Oracles

Chainlink, Pyth, RedStone, and API3 price feeds.

USDC and payments

Fast, low-fee payments with immediate finality.

x402 micropayments

Monetize APIs with HTTP-native payments.

In-app swaps

Embed token swaps directly in your dApp.

Migrate to Sei

Sei vs Ethereum

The main differences to know.

From other EVMs

Migrate existing EVM dApps.

From Solana

Move from Solana to Sei.

Learn

Sei Giga architecture

Next-generation design for gigagas execution bandwidth.

Twin Turbo Consensus

Sub-second finality and fast block production.

Parallelization engine

Optimistic, multi-core transaction execution.

SeiDB

State access optimized for high throughput.

Governance

Overview of proposals, voting, and staking.

Interoperability

EVM and CosmWasm cross-VM communication.

Smart contracts

Deploy and debug on Sei

Write, deploy, and debug Solidity smart contracts with your preferred toolchain. Sei is fully EVM-compatible, with 400 ms blocks and parallelized execution.

Hardhat

Foundry

Debug tracing

Best practices

Infrastructure & tools

Run a node

Participate in the Sei network.

Precompiles

Access native Sei features from Solidity contracts.

Solidity resources

Libraries, tools, and learning materials.

Ecosystem contracts

Addresses of the main contracts deployed on Sei.

Network information