Hashlock
Hashlock is an industry-leading Web3 security firm providing smart contract auditing, blockchain security reviews, penetration testing, and security advisory.
Overview
Hashlock is an industry-leading Web3 security firm providing smart contract audits, blockchain security reviews, penetration testing, and security advisory for protocols, applications, and ecosystem teams. It helps builders identify vulnerabilities before launch, harden production systems, and give users, partners, and investors greater confidence in the security of their Web3 infrastructure.
Hashlock works across major blockchain ecosystems, including Ethereum, Base, Arbitrum, Optimism, Polygon, Avalanche, BNB Smart Chain, Solana, Bitcoin, Sui, Aptos, Cosmos, Tron, zkSync, Scroll, and Berachain. Its engagements combine in-depth manual review with rigorous testing methodologies to surface logic flaws, access-control issues, and exploit surfaces before code reaches mainnet.
Transparency is central to how Hashlock operates. The firm publishes public audit reports on GitHub so teams, communities, and investors can review its security work and methodology. Projects can get started by reaching out through hashlock.com to scope an audit or security review.
The Problem
Smart contracts are immutable once deployed, so a single undetected vulnerability can lead to exploits and significant financial loss. Many teams lack the in-house expertise to thoroughly review their code and infrastructure against sophisticated attacks before and after launch.
The Solution
Key Features
Smart Contract Audits
In-depth manual and automated review of smart contracts to find vulnerabilities and recommend fixes before deployment.
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Resources
Hashlock publishes a public repository of audit reports on GitHub, letting teams review its methodology and past work. Projects can scope an audit, penetration test, or security review through hashlock.com, and follow security updates on X at @hashlock_ and LinkedIn.
