New: Cyfrin 2025 blockchain security report
Learn more

Secure governance mechanisms, protect community funds, and strengthen treasury resilience

Smart contract security audits, formal verification, and on‑chain intelligence aligned to protocol risk and governance requirements.

Trusted by the largest organizations
zksync logo
pwc logo
Chainlink logo
Wormhole logo
Ondo logo
Wintermute logo
Farcaster logo
Curve logo

Security that scales with your ecosystem

End-to-end security for collective governance and on-chain treasuries. Protect funds, strengthen trust, and ensure resilience against evolving threats.
$100B+
On-chain value protected
120+
Global customers
15M
Served users
18
Supported chains
Defend governance

Validate voting systems, timelocks, and upgrade mechanisms against manipulation.

Protect treasuries

Security audits and blockchain monitoring to safeguard DAO and community-controlled funds.

On-chain monitoring

Threat simulations and detection for bridges and multi-chain treasury operations.

Dedicated security advisory

Embedded security leadership to guide treasury, upgrades, governance, and risk strategies.

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
Chainlink logo
“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
Oku logo
“[Cyfrin’s] approach to security and meticulous testing is exceptionally thorough.”
Getty Hill
Founder, Oku Trade / GFX Labs
Dolomite logo
“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

Secure your protocol today

Join some of the biggest protocols and companies in creating on-chain finance. Our security researchers will help you throughout the whole process.

zksync logopwc logochainlink logoOndo logoWormhole logoWintermute LogoCurve LogoFarcaster LogoLinea logo