MKT
SEI
Layer 1 · Trading

What is Sei (SEI)?

RANK #126
$0.0597-1.93% 24h+37.36% 7d
LIVE · CoinGeckoPrice updated Sep 24, 2026, 04:38 PM

A fast layer-1 optimised for trading and high-performance applications.

Price chart · 30D

Sei market stats

Market cap
$402.13M
24h volume
$65.5M
24h high
$0.0607
24h low
$0.057
7d change
+37.36%
Circulating supply
6.73B SEI
All-time high
$1.14
All-time low
$0.0383

Sei at a glance

Ticker
SEI
Launched
2023
Category
Layer 1 · trading
Consensus
Proof of Stake
Focus
Speed & trading infrastructure
Use
Fees, staking, governance

Categories: Smart Contract Platform · Decentralized Finance (DeFi) · Layer 1 (L1) · Parallelized EVM · Coinbase Ventures Portfolio · Multicoin Capital Portfolio

How Sei works

Sei (SEI) is a layer-1 blockchain optimised for speed, with a focus on trading and other performance-sensitive applications. It targets very fast finality and high throughput through parallel transaction processing.

SEI is used for transaction fees, staking and governance. The network aims to give exchanges and DeFi apps infrastructure that feels closer to traditional trading systems.

Sei uses proof of stake and parallel execution to process many transactions at once, targeting very low latency. Its design is tuned for order-book-style trading and other latency-sensitive use cases.

Validators stake SEI to secure the network and earn rewards.

What moves the Sei price?

  • Trading and DeFi activity on the network.
  • Ecosystem growth and incentives.
  • Competition among high-performance layer-1s.
  • The broader market cycle.

What SEI is used for

  • Paying transaction fees on the network.
  • Staking to help secure the chain.
  • Governance and powering trading apps.

Sei FAQ

What is Sei?

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Sei is a layer-1 blockchain optimised for speed and trading, using parallel execution for very fast finality. SEI is its native token.

What is Sei used for?

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SEI pays transaction fees, is staked to secure the network, and is used in governance and across trading-focused apps.

Why is Sei built for trading?

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Sei is tuned for low latency and high throughput, which suits exchanges and DeFi apps that need fast, order-book-style performance.

How do I buy Sei (SEI)?

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SEI is available on most major exchanges and compatible wallets. See our ratings for vetted options.

This page is information, not financial advice. Prices come from CoinGecko; the text is written and checked by our desk. See our editorial policy.