When was Sei founded?

Sei was founded in 2021 and raised its 1st funding round 1 year after it was founded.

Where is Sei located?

Sei is headquartered in San Francisco, United States.

How many employees does Sei have?

As of May 31, 2026, the latest employee count at Sei is 24.

Is Sei a funded company?

Sei is a funded company, having raised a total of $35M across 4 funding rounds to date. The company's 1st funding round was a $***** Series A round, raised on Aug 31, 2022.

How much is Sei worth?

The latest valuation of Sei is $***** as of Apr 11, 2023.

When was the latest funding round of Sei?

Sei's latest funding was a $***** ICO round on Jul 11, 2024, with participation from 0 investor. Its primary sector is Blockchain Infrastructure. In United States, the Blockchain Infrastructure sector has seen $1.02B in funding in 2026 to date.

Where does Sei rank among its competitors?

Sei ranks 4th amongst 253 active competitors, of which 76 are funded. It stands 3rd in terms of total funding among its competitors. The most recent competitor to raise funding was GAIB, which secured $10M in Jul, 2025.

Who are the top competitors of Sei?

Sei's top competitors include Brahma, Pi Network and Bloxroute. Among them, GAIB secured the most recent funding round in July, 2025.

Sei - 2026 Company Profile, Team, Funding & Competitors

Sei is a series B company based in San Francisco (United States), founded in 2021 by Jeff Feng. It operates as an Online platform offering blockchain infrastructure solutions. Sei has raised $35M in funding from investors like Circle, Flow Traders and Multicoin Capital, with a current valuation of $*****. The company has 253 active competitors, including 76 funded and 9 that have exited. Its top competitors include companies like Brahma, Pi Network and Bloxroute.

Company Details

Online platform offering blockchain infrastructure solutions. It offers blockchain layer 1 infrastructure solutions for trading and exchange platform.

Website: www.sei.io/
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Key Metrics

Founded Year

2021

Location

San Francisco, United States

Stage

Series B

Total Funding

$35M in 4 rounds

Latest Funding Round

ICO, Jul 11, 2024, $*****

Post Money Valuation

$***** as on Apr 11, 2023

Investors

Circle & 22 more

Ranked

4^th among 253 active competitors

Employee Count

24 as on May 31, 2026

Similar Companies

Brahma & 288 more

View Sei's full profile

Sei has raised a total funding of $35M over 4 rounds. Its first funding round was on Aug 31, 2022. Sei has 23 institutional investors.

Here is the list of recent funding rounds of Sei:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Jul 11, 2024	8969069	ICO	9312374	5651071	8111765	9887068
Nov 15, 2023	9242419	Series B	3839903	8052959	8503610	1135977
Apr 11, 2023	4275950	Series B	2689690	1995227	Distributedglobal & 6 more	8340542

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View details of Sei's funding rounds and investors

The founders of Sei is Jeff Feng.

Here are the details of Sei's key team members:

Jeff Feng: Co-Founder of Sei.

View details of Sei's Founder profiles and Board Members

Sei's employee count trend

Sei has 24 employees as of May 26. Here is Sei's employee count trend over the years:

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Top competitors of Sei include Brahma, Pi Network and Bloxroute. Here is the list of Top 10 competitors of Sei, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Brahma 2021, Delhi (India), Acquired	Blockchain-based network for Defi applications in the finance industry	$6.71M	Framework Ventures, Greenfield Capital & 13 others	71/100
2nd	Pi Network 2019, Palo Alto (United States), Seed	Provider of blockchain-based platform offering to mine coins	-	137 Ventures, Designer Fund & 1 others	67/100
3rd	Bloxroute 2017, Evanston (United States), Acquired	Provider of real-time data and transaction propagation for blockchain networks	$89.6M	SoftBank Vision Fund, Maven 11 & 19 others	66/100
4th	Sei 2021, San Francisco (United States), Series B	Online platform offering blockchain infrastructure solutions	$35M	GSR, No Limit Holdings & 21 others	61/100
5th	GAIB 2024, Singapore (Singapore), Series A	Blockchain-based platform offering tokenizes enterprise-grade GPUs	$15M	Hack VC, Hashed & 14 others	60/100
6th	Berachain 2022, George Town (Cayman Islands), Series B	Provider of EVM-compatible blockchain built on Proof-of-Liquidity consensus	$142M	Polychain, Brevan Howard & 25 others	60/100
7th	Veda Tech 2024, New York City (United States), Series B	Provider of vault infrastructure platform for institutions to manage onchain financial products	$18M	CoinFund, Relayer Capital & 12 others	60/100
8th	Radix 2016, Channel Islands, Series A	Blockchain platform featuring a range of DeFi applications	$14.1M	LocalGlobe, DWF Labs & 7 others	58/100
9th	ZeroLend 2023, Athens (Greece), Seed	Platform offering online banking solutions	$3M	iAngels, Newman Capital & 24 others	57/100
10th	Lightspark 2022, Los Angeles (United States), Seed	Platform created to explore, build and extend the capabilities and utility of Bitcoin	-	Andreessen Horowitz, Paradigm & 10 others	56/100