#2 | The Billion-Dollar Audit: 5 Smart Contract Vulnerabilities That Cost $1B+ episode artwork

EPISODE · Jul 23, 2025 · 4 MIN

#2 | The Billion-Dollar Audit: 5 Smart Contract Vulnerabilities That Cost $1B+

from XPNSN Podcast

"Our code has been audited." For any leader in Web3, those words should bring peace of mind. But reality shows an audit isn't armor; it's just one layer of defense. In 2024, projects lost over a billion dollars to exploits that auditors often miss.In this episode of Expansion, we're not talking about complex algorithms. We're talking about money—your money—and the five most expensive coding mistakes every leader must understand before launch. We'll cover everything from classic Reentrancy attacks to the absurdly simple Access Control flaws that cost projects almost a billion dollars.To help you translate this conversation from technical jargon into business language, we've prepared a special bonus: the "CEO Checklist: 10 Questions to Ask Your CTO About an Audit." This and other free resources are published exclusively on our Telegram channel. To download and use them, join us there!Timestamps: 00:00 - The Illusion of Security: Why Audits Aren't Armor 00:21 - 2024 Hack Statistics: The Billion-Dollar Problem 00:51 - Mistake #5: Lack of Input Validation 01:31 - Mistake #4: Flash Loan Attacks Explained 02:09 - Mistake #3: Re-entrancy - The Classic Hack 02:51 - Mistake #2: Insidious Logical Errors 03:23 - Mistake #1: Access Control - The $950M+ Error 03:56 - The Leader's Role: Asking the Right Questions 04:07 - Call to Action: The 10-Question Checklist for Your CTOEnjoyed this episode? Support Expansion!Your subscription, like, and comment are the best way to support our project and help us create more high-value content.🔹 Watch us on YouTube: https://www.youtube.com/@xxpnsn🔹 Our Telegram Hub (Bonuses & Insights): https://t.me/xxpnsn🔹 Listen on all platforms: https://xpnsn.mave.digital🔹 X (Twitter): https://x.com/xxpnsnNeed a team to build complex AI & Web3 solutions?At aiix.pro, we don't just talk about the future—we build it. Visit our website to learn more about our services.► Our Website: https://aiix.pro► All Our Links: https://linktr.ee/ruhuntSources & Further Reading:1. OWASP Smart Contract Top 10: https://owasp.org/www-project-smart-contract-top-10/2. Ultimate Smart Contract Audit Checklist - 2024: https://www.rapidinnovation.io/post/complete-checklist-for-smart-contract-audit3. DeFi Hacks Analysis (CertiK): https://www.certik.com/resources/blogTags:#SmartContract #BlockchainSecurity #SmartContractAudit #Reentrancy #AccessControl #Web3Security #OWASP #Solidity #DeFiHack #aiixpro #ExpansionPodcast #Cybersecurity #Crypto

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#2 | The Billion-Dollar Audit: 5 Smart Contract Vulnerabilities That Cost $1B+

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