DeFi Security
Full-stack web3 security services delivered by top-tier ethical hackers with a focus on the real financial impact
Services
We provide security audit services of any complexity ranging from the cryptographic protocol audit to bridge API penetration testing.
Smart Contract Audit
Security audit of the Ethereum Solidity smart contracts, Solana Rust programs, Aptos Move contracts or any kind of a dApp
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Security Advisory
Comprehensive continuous security consulting and audit, implementation of the Security SDLC practices, monitoring, and incident response
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Vulnerability Management
Penetration testing and security assessment of the web3 applications, layer 1 nodes, bridges, and infrastructure
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Risk Assessment
Web3 protocol external risk and viability assessment for the traders, PE, and VC funds during the due dilligence
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Whitepaper Verification
Validation and assessment of the mathematical tokenomics models proposed in the whitepaper and implemented in code
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Security Monitoring
Monitoring the contracts for hack attempts, suspicious transactions and dangerous actions as well as financial solvency
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Case Studies
We've successfully completed dozens of complex audits.
Here're the reports for some of them.
Our team joint with partners placed 2nd in the most respected smart contract security audit competition — Paradigm CTF 2022.
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Security audit of the Yearn Finance no-hedge joint strategy helped to ensure the validity of the yield farming strategy logic and the security of the implementation.
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Security audit of the GIVEth smart contracts led to discovery of a critical vulnerability in another protocol and remediation of the associated risk.
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Tools
We contribute to the Web3 security by creating the tools that help to automate the security audit.
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Semgrep Solidity RulesSemgrep rules that will help you to find the typical vulnerable patterns in the smart contract code. View |
| ✨ contract-diff.xyz |
Contract DiffSmart diff tool that helps you to understand which code the protocol has been forked from and what exactly has been changed. View |
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ABI DecompilerReverse Engineering tool that helps you to efficiently match the function selectors in the EVM bytecode to the function signatures. View |
Why Decurity?
We are a team of veteran hackers who dived into the blockchain and smart contract security in the early days. Under our supervision, an audit is not just a filing of the checklist but rather a full-fledged research.
- Multiple world CTF hacking champions
- Top-50 hackers worldwide according to HackerOne
- Discovered critical issues during 90% of engagements
- Blockchain security experts with proven record since 2017
Our Customers
