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OpenZeppelin

OpenZeppelin

Private

Last Round

Grant

Oct 24, 2024

Momentum

Top 10%

of companies Caplight tracks

Company Overview

OpenZeppelin is a cybersecurity technology and services company that provides an open-source framework of libraries and tools for building, securing, and operating smart contracts in the blockchain and Web3 space.

Sector

Crypto & Web3

Verticals

Blockchain Infrastructure, Smart Contracts, Application Security, DeFi, Vulnerability Management

Business Model

B2B

Customer Profile

Services & Consulting, Subscription SaaS, Freemium

AI Layer

Application

Keywords

smart contract securitysmart contract auditblockchain securitysmart contract libraryDeFi securitysmart contract developmentvulnerability managementweb3 securitysecurity operations platformcrypto securityblockchain infrastructuresmart contract monitoringAI code analysissmart contract auditorsmart contract copilot

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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OpenZeppelin Comparables

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OpenZeppelin comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
CertiK
87%
Halborn
86%
Certora
84%

OpenZeppelin Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
GrantOct 24, 2024
SeedJan 31, 2018
Series ADec 1, 2017
SeedMar 4, 2016

Key People

Founding team and executive leadership

Demian Brener

Founder & CEO

Founding Team

Jonathan Alexander

CTO

Executive Team

OpenZeppelin Investors

Notable investors and investment history

OpenZeppelin investors
InvestorRounds
Fabric VenturesSeries A
BlueYard CapitalSeries A
Collaborative FundSeed
Kenetic CapitalSeed
Starlight VenturesSeed
Ethereum FoundationGrant
True VenturesSeries A

Market signals

Structured signals derived from secondary market and firmographic data.

  • May 19, 2026

    Added Ok Bitok as a customer

  • Apr 24, 2026

    Open-source contract libraries facilitated over $35 trillion in transfers.

OpenZeppelin Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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OpenZeppelin Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about OpenZeppelin's valuation, stock price, and market status.

Firmographic Details

HeadquartersLondon
Employee Range117
Year Founded2015
Last FundingOct 24, 2024

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