Vendor
BlockSec
Web3 security company offering smart contract and infrastructure audits plus threat monitoring
About
BlockSec is a Web3 security company that offers end-to-end security for DeFi protocols, from smart contract audits to continuous threat monitoring. Its audit services cover smart contracts as well as infrastructure audits of layer 1 and layer 2 chains and wallets, and its website also lists blockchain penetration testing for chain infrastructure. Alongside audits, BlockSec operates the Phalcon product line for security monitoring, automated exploit prevention and compliance screening, the MetaSleuth fund tracking and investigation tool, and address screening services for anti-money laundering compliance. The company publishes its audit reports on a dedicated page of its website, listed in reverse chronological order with a description of each scope, and in a public GitHub repository where reports are signed and organised by language, including Solidity, Rust, Go and C++. Recent reports cover EVM contracts on chains such as Ethereum, Arbitrum and BNB Chain, Move code on Sui and zero-knowledge circuits written in Circom. Projects request an audit through an expert contact form.
At a glance
- Audits smart contracts and layer 1, layer 2 and wallet infrastructure
- Lists audit reports with scope descriptions on its website
- Publishes signed audit reports in a public GitHub repository
- Operates the Phalcon monitoring and exploit prevention products
- Develops the MetaSleuth fund tracking and investigation tool
- Services
- Audit
- Languages
- Solidity, Rust, Go
- Public audit reports
- blocksec.com(opens in a new tab)
BlockSec: frequently asked questions
- What services does BlockSec offer?
- According to its public information, BlockSec offers: Audit.
- Which blockchains does BlockSec work with?
- BlockSec works with Ethereum, Arbitrum, BNB Chain, and Sui.
- Which smart contract languages does BlockSec use?
- BlockSec works with Solidity, Rust, and Go.
- Is BlockSec verified on smart-contract.com?
- Not yet. This listing was compiled from public information and BlockSec has not claimed it or gone through the vetting process of smart-contract.com.
- How can I get a quote from BlockSec?
- Describe your project once on smart-contract.com: you receive comparable quotes from vendors that match it, in the same format. Development and audit are always entrusted to two independent companies.
Where this information comes from
This listing was compiled from the public pages below and last reviewed on September 24, 2026. The company has not claimed it yet, is not a partner of smart-contract.com and has not been vetted.
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