Sei
Sei

Sei

High-performance blockchain for decentralized exchanges.

2021Active15San Francisco, United States

About

Sei is a Layer 1 blockchain designed for fast, cheap, and fair financial transactions, aiming to be the infrastructure for markets. It combines the Ethereum Virtual Machine (EVM) ecosystem with a high-speed, parallelized architecture built on Cosmos. Sei is transitioning to an EVM-only architecture, deprecating its Cosmos stack to streamline complexity and enhance performance. Teams look it up for Blockchain, Fintech, Web3.

Frequently asked

What does Sei do?

Sei is a Blockchain company that offers Platform. Teams look it up for Fintech, Web3, Crypto Exchange. It is based in San Francisco, United States and was founded in 2021. Public records show about 15 people and $35M raised. Compare it on funding, headcount, reviews and nearby alternatives rather than the marketing line alone.

How much funding has Sei raised?

Sei has raised a total of $35M in funding. The most recent round on record is Strategic.

Where is Sei headquartered?

Sei is headquartered in San Francisco, United States.

When was Sei founded?

Sei was founded in 2021.

What industry does Sei operate in?

Sei operates in Blockchain, Fintech, Web3, Crypto Exchange, DeFi.

How many employees does Sei have?

Sei has approximately 15 people on record.

Scores
Measured, not editorial
Ahrefs DR
72/100

Strength of the site’s backlink profile, on Ahrefs’ 0-100 Domain Rating scale. Licensed third-party data, not our opinion.

Agent Readiness
42/100

How well an AI agent can read and use this site: structured data, clean markup, and whether key facts are reachable without running JavaScript. We scan the live site.

Site Speed
57/100

Google PageSpeed mobile performance for the company’s own site. Measured by Google, not by us.

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