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Institutional‑grade blockchain security for financial organizations

Cyfrin delivers enterprise-grade audits, formal verification, and on-chain risk assessments, helping banks and fintechs launch securely, stay compliant, and earn trust from partners and regulators.

Trusted by the largest organizations
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Blockchain security services tailored for financial institutions

End-to-end security solutions that align with regulatory requirements, reduce operational risk, and accelerate deployment of innovative digital asset products.

Tokenized securities protection

Safeguard tokenized bonds, equities, and RWAs with controls that ensure compliance & resilience.

Digital asset custody assurance

Mission-critical key management and risk modeling aligned to regulatory requirements.

Stablecoin issuance & compliance

Design compliant stablecoins that meet MiCA, U.S., and global regulatory requirements.

Blockchain interoperability security

Cross-chain monitoring and controls to meet global transparency and regulatory requirements.

On-chain risk intelligence

Real-time monitoring, reporting, and alerting for institutional-scale digital asset infrastructure.

Team readiness

Best-in-class training and certifications to prepare teams on secure blockchain operations.

$100B+
On-chain value protected

Across leading DeFi, enterprise, and institutional protocols through Cyfrin audits, verification, and monitoring.

120+
Global customers

From protocols to institutions, organizations worldwide rely on Cyfrin for blockchain security.

15M
Served users

End-users protected of protocols, apps, and wallets secured through Cyfrin’s audits and training.

18
Supported chains

Deep, multi-chain expertise spanning Ethereum, L2s, and emerging ecosystems.

Syntetika: Securing Bitcoin-DeFi Infrastructure

Syntetika selected Cyfrin to conduct a pre-launch audit based on our expertise in on-chain security, proven track record, and ability to execute under tight timelines. The engagement was structured around Syntetika's security priorities: Securing staking logic, ensuring mathematical consistency in staking price calculations to prevent frontrunning and sandwich attacks, and secure asset custody within the Minter Contract. Cyfrin's track record in on-chain security, combined with a deep understanding of complex DeFi protocols and institutional requirements, made it an ideal partner for Syntetika. The team's expertise in vault-based protocols and compliance-required security assessments aligned perfectly with Syntetika's unique architecture and focus.

Read PwC’s story

Suzaku: Securing Multi-Asset Staking Infrastructure

Suzaku sought Cyfrin’s expertise to enhance the security of its multi-asset class staking systems designed to serve as the backbone for Avalanche L1 networks. Cyfrin's expertise in blockchain security, combined with deep knowledge of Avalanche's unique architecture enabled the team to conduct a thorough review, execute a detailed manual audit, and implement sophisticated testing strategies. These, along with comprehensive mitigation support, enabled Suzaku to address vulnerabilities and strengthen the protocol’s security before mainnet launch.

Read PwC’s story

Hardening Sablier’s v2.2 Codebase

Sablier sought a competitive security audit platform with top auditors with extensive experience examining DeFi protocols and the knowledge to uncover unique, hard-to-find vulnerabilities, even in previously audited code. The goal was to strengthen the protocol’s security, preserve its competitive edge, solidify user trust in the system, and maintain Sablier’s record of no hacks.

Read PwC’s story

Fortifying the security of Oku Trade Uniswap v3 and Chainlink based on-chain limit orders

Oku Trade sought Cyfrin’s expertise to enhance the security of its new Chainlink automation-based Uniswap Limit Orders feature. Cyfrin’s team, with deep Chainlink knowledge, conducted a thorough review and a detailed manual audit. This, along with comprehensive mitigation support, enabled Oku to address vulnerabilities missed by previous audits.

Read PwC’s story
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“When Cyfrin offers security to a chain or a protocol, they automatically make that chain or protocol more secure.”
Sam Friedman
Lead Solutions Architect, Chainlink
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“[Cyfrin’s] approach to security and meticulous testing is exceptionally thorough.”
Getty Hill
Founder, Oku Trade / GFX Labs
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“After working with several auditors, Cyfrin's attention to detail and obsession over breaking our system made us feel confident they're some of the best security researchers in the industry.”
Corey Caplan
CEO, Dolomite

Strengthen your digital asset infrastructure

Trusted by global banks, enterprises, and regulators. We provide security, compliance, and on-chain intelligence to help institutions innovate safely in tokenization, custody, and digital assets.

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