Raz0r is a prominent brand in the realm of web application security and blockchain technology, spearheaded by Arseny Reutov. This personal blog focuses on both offensive and defensive security aspects, offering an array of innovative tools and resources aimed at enhancing the safety of web applications and smart contracts.

Among their key offerings, Raz0r has developed tools such as tx-coverage, which assists in identifying unused code in live smart contracts by analyzing historical transaction data, effectively revealing potential vulnerabilities. Additionally, the brand promotes contract-diff.xyz, designed to help auditors spot discrepancies in smart contract forks to prevent exploits, and integrates advanced technologies like CodeQL for identifying client-side vulnerabilities in web applications.

Engaging with the community, Raz0r shares insights through talks on pivotal security topics, podcasts, and case studies, including successful navigation of DeFi hacks. By providing practical solutions and educational content, Raz0r is committed to advancing security in the rapidly evolving landscape of web3 technologies.