Sei

Sei (SEI) is a high-performance Layer 1 blockchain that scales the Ethereum Virtual Machine (EVM) through parallelized execution. It aims to deliver faster transactions, low fees and seamless smart-contract deployment while remaining fully Ethereum compatible. SEI is the network's native token, used for gas, staking and governance. Sei ranks around 130th by market capitalization.

What is Sei?

Sei is a Layer 1 designed to remove the bottlenecks that slow down many blockchains. Its central idea is a parallelized EVM: instead of processing transactions one after another, Sei can execute independent transactions simultaneously, dramatically increasing throughput. Because it keeps full Ethereum compatibility, developers can deploy existing Solidity smart contracts without rewriting them, gaining speed and low fees while tapping into familiar tooling and the wider EVM developer base.

How does Sei work?

Sei is secured by a proof-of-stake consensus, where validators stake SEI to produce blocks and secure the network. Its performance edge comes from optimizing the full stack, execution, consensus and storage, so that parallel transaction processing translates into real-world speed. The team has outlined a major upgrade, called Giga, intended to deliver roughly 50x improvements in EVM throughput, pushing performance toward the responsiveness users expect from traditional web2 applications. The goal is a chain fast enough for demanding DeFi and trading use cases.

Sei tokenomics and supply

SEI has a total supply of 10,000,000,000 tokens, with roughly 6.73 billion currently circulating. The remaining tokens unlock over time, so holders should account for potential dilution as more supply enters circulation. SEI is used to pay transaction fees, to stake and secure the network, and to participate in governance. The token has traded from an all-time low near $0.045 to an all-time high around $1.14, reflecting the volatility typical of newer Layer 1 assets.

What is Sei used for?

• Paying gas fees for transactions and smart-contract execution
• Staking to secure the proof-of-stake network and earn rewards
• Voting on protocol governance and upgrades
• Powering DeFi and high-throughput applications built on the parallelized EVM

Sei's design leans toward performance-sensitive use cases, particularly decentralized finance and trading, where speed and low fees matter most.

Where to buy Sei

SEI is listed on many leading centralized exchanges and on Sei-based decentralized venues. Compare trading fees and liquidity using our best crypto exchanges ranking, and to stake SEI or hold it in self-custody, choose a compatible option from our best crypto wallets guide.

Is Sei a good investment?

Sei competes in a crowded market of Layer 1s and scaling solutions, all racing to attract developers and users. Its parallelized-EVM approach and planned Giga upgrade are promising, but success depends on real adoption and network activity. Token unlocks can add supply pressure, and newer Layer 1s tend to be volatile. This is not financial advice; weigh the competitive landscape and your risk tolerance before considering SEI.