# z0L > I'm a web3 developer and security researcher focused on smart contract vulnerabilities and blockchain security. ## Recent Posts - [Detecting and Preventing Business Logic Vulnerabilities in Solidity](https://paragraph.com/@z0l/detecting-and-preventing-business-logic-vulnerabilities-in-solidity) - [A Basic Guide to Smart Contract Auditing for Beginners](https://paragraph.com/@z0l/a-basic-guide-to-smart-contract-auditing-for-beginners) ## Blog Information - [Homepage](https://paragraph.com/@z0l/): Main blog page - [RSS Feed](https://api.paragraph.com/blogs/rss/@z0l): Subscribe to updates - [Twitter](https://twitter.com/z0Ld3v): Follow on Twitter ## Optional - [All Posts](https://paragraph.com/@z0l/): Complete post archive - [Sitemap](https://paragraph.com/@z0l/sitemap-index.xml): XML sitemap for crawlers