ChainSecurity
- Company typePrivate
- Founded2017
- HeadquartersZürich, Switzerland
- Headcount11–50
- GTM typeB2B
- OfferingServices
ChainSecurity firmographics
Firmographics- Name
- ChainSecurity
- Legal name
- Decentralized Security AG
- Website
- https://chainsecurity.com
- Company type
- Private
- Founded year
- 2017
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Ownership category
- akta.pro rank
ChainSecurity industry classification
Industry- Product category
- Blockchain Security Auditing
- NAICS
- Financial Transactions Processing, Reserve, and Clearinghouse Activities (522320)
- SIC
- Finance Services (6199)
- akta.pro primary industry
- Smart Contract Auditing & Formal Verification (FSAPAJAA)
- akta.pro secondary industry
- Digital Asset Risk, Security & Audit Tooling (Smart Contract Audit, Threat Monitoring) (FSAGAMAJ)
Keywords
Where ChainSecurity is headquartered
LocationHeadquarters
- HQ city
- Zürich
- HQ country
- Switzerland
- HQ region
- Europe
Offices1 record
Markets served
ChainSecurity business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure
Revenue model
- Smart Contract Security Audits: Professional security auditing services for blockchain protocols and smart contracts. Engagements are customized based on code complexity, scope, and timeline requirements. The company maintains long-term relationships with clients, with many conducting multiple audits over years.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
ChainSecurity product offering
Product offeringCore offering
ChainSecurity provides professional smart contract security audit services for blockchain protocols, including DeFi protocols, layer 1 and layer 2 blockchains, compilers, oracles, and ZK systems. Each project is reviewed by two independent auditors under a warden who challenges findings, followed by a fixes review and re-audit. The firm also offers institutional security services including design-phase partnerships, system design advisory, and custom C-level workshops for central banks and large organizations.
Product overview
ChainSecurity is a flat, self-owned smart contract security auditing organization that provides security services to blockchain innovators. The core offering is Smart Contract Audits—a professional auditing service conducted via independent dual audits, warden role oversight, collaborative fix reviews, and ongoing partnership support. This is complemented by Institutional Security Services that include system design advisory, custom C-level workshops, and design-phase security partnerships. The portfolio forms a cohesive security-as-a-service model supporting clients from initial architecture design through final audit and ongoing consultation, covering audits across Ethereum, Solana, Starknet, Sui, and Aptos networks.
Differentiator
Problem solved
Functional benefit
Products and services
- Smart Contract Audits
Quantifiable outcome
- Identified critical vulnerability in EIP-1283 (Constantinople) that could have enabled reentrancy attacks, preventing potential widespread exploitation
- +3 more outcomes
Companies that use ChainSecurity
Customer profileNamed customers16 records
Segments4 records
Ideal customer profiles3 records
ChainSecurity technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
ChainSecurity partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered core and flagship.
- CirclecoreStrategic partnership since 2022 delivering audits across multiple blockchains (Ethereum, Solana, Starknet, Sui, Aptos) for critical cross-chain primitives including CCTP v1, CCTP v2, and Circle Gateway. Maintains a retainer since 2024 with the same lead auditor since the start.
- Sky (MakerDAO)coreMulti-year partnership supporting Sky's high-stakes product launches. ChainSecurity has been an invaluable partner for almost two years, supporting major protocol upgrades including Liquidations 2.0 and Endgame Toolkit.
- Central Bank Digital Currency (CBDC) PilotsflagshipEnabled successful co-design and rapid development of a secure sandbox pilot for a Central Bank Digital Currency (CBDC). Represents ChainSecurity's entry into institutional central banking security.
- Ethereum FoundationflagshipProvided security review for EIP-4788 contract that stores beacon chain roots on Ethereum mainnet. The team's work helped validate the EIP was safe for mainnet deployment, a critical protocol-level engagement.
Scale indicators3 records
Recent moves6 records
Expansion highlights5 records
ChainSecurity competitors and assessment
Company assessmentDirect peers
- Quantstamp: Quantstamp is a smart contract security audit firm serving DeFi protocols, enterprises, and blockchain infrastructure projects. It is a direct competitor to ChainSecurity in the high-assurance audit market.
- OpenZeppelin: OpenZeppelin is a leading smart contract security and infrastructure provider, offering audits, formal verification, and security tools. It is directly comparable to ChainSecurity as both firms serve Tier-1 DeFi protocols with high-assurance auditing services.
- Trail of Bits: Trail of Bits is a security research and consulting firm with a dedicated blockchain practice, conducting smart contract audits and formal verification. It competes head-to-head with ChainSecurity for complex DeFi and L1/L2 audit engagements.
- Consensys Diligence: Consensys Diligence provides smart contract auditing services to DeFi protocols and Ethereum infrastructure projects. Like ChainSecurity, it is a top-tier auditor focused on the Ethereum and EVM ecosystem with enterprise clients.
- CertiK: CertiK is a large, well-funded smart contract and blockchain security firm offering audits, formal verification, and security scoring. It is directly comparable to ChainSecurity in service offering, though it operates at significantly greater scale and with a different go-to-market model.
- Least Authority: Least Authority is a security consultancy specializing in cryptography and distributed systems audits, with a strong portfolio of blockchain and smart contract engagements. It is comparable to ChainSecurity in methodology and client caliber.
- Runtime Verification: Runtime Verification provides formal verification and smart contract auditing services, with notable work on Ethereum client implementations. It overlaps with ChainSecurity on high-assurance, research-driven audits of complex protocols.
- Sigma Prime: Sigma Prime is a blockchain security firm specializing in Ethereum consensus client audits and DeFi protocol reviews. It is a direct peer of ChainSecurity in the niche of high-complexity infrastructure and protocol-level security work.
Emerging players
- Zellic: Zellic is a newer, research-driven smart contract auditing firm founded by security researchers, competing for high-end DeFi and ZK engagements. It is comparable to ChainSecurity as an emerging top-tier auditor but with a younger brand and smaller track record.
- Spearbit: Spearbit operates a curated network of independent security researchers for smart contract audits, often competing for the same Tier-1 DeFi clients. It is an emerging alternative to traditional firms like ChainSecurity, with a different delivery model.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
ChainSecurity social profiles
Digital presenceChainSecurity financial estimates
Financial estimateRevenue estimate
Valuation estimate
ChainSecurity leadership team
Management profileNumber of profiles
Profiles2 records
ChainSecurity funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
ChainSecurity M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about ChainSecurity
What does ChainSecurity do?
ChainSecurity provides professional smart contract security audit services for blockchain protocols, including DeFi protocols, layer 1 and layer 2 blockchains, compilers, oracles, and ZK systems. Each project is reviewed by two independent auditors under a warden who challenges findings, followed by a fixes review and re-audit. The firm also offers institutional security services including design-phase partnerships, system design advisory, and custom C-level workshops for central banks and large organizations.
Is ChainSecurity a public or private company?
ChainSecurity is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was ChainSecurity founded?
ChainSecurity was founded in 2017. It employs 11 to 50 people.
Where is ChainSecurity based?
ChainSecurity is headquartered in Zürich, Switzerland, in the Europe region.
How does ChainSecurity make money?
One revenue line is on record: smart Contract Security Audits.
Who are ChainSecurity's main competitors?
Direct peers on record are Quantstamp, OpenZeppelin, Trail of Bits, Consensys Diligence, CertiK, Least Authority, Runtime Verification and Sigma Prime. Emerging players are Zellic and Spearbit.
Does ChainSecurity have an API?
No public API is recorded for ChainSecurity.
What industry is ChainSecurity in?
ChainSecurity's product category is Blockchain Security Auditing. Its primary akta.pro industry code is FSAPAJAA, Smart Contract Auditing & Formal Verification, with a secondary code of FSAGAMAJ, Digital Asset Risk, Security & Audit Tooling (Smart Contract Audit, Threat Monitoring). Its NAICS code is 522320 and its SIC code is 6199.