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I’m Nabil

Web3 Smart Contract Security Researcher & Auditor | Sharing Deep Insights, Audits, and Best Practices to Strengthen Blockchain Security

Nabil ECH

About Me

Hi, I’m Nabil — also known as 0xa61 — a Web3 smart contract security researcher and auditor dedicated to making blockchain ecosystems safer and more resilient. I specialize in uncovering smart contract vulnerabilities, analyzing attack vectors, and building trust in decentralized applications through rigorous security practices.

On this site, I share my knowledge, research findings, audit experiences, and practical tips to help developers and enthusiasts strengthen their skills and contribute to a safer Web3 space.

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Featured Blog Posts

Ethernaut – Puzzle Wallet

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Deep Dive into Storage Collisions, Multicall Exploitation, and Proxy Vulnerabilities Introduction Ethernaut, created by OpenZeppelin,…

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My Services​

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Branding​

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Web Design​

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Product Design​

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Samples of My Work​

Endorsements​

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John Stewart​
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Katie Donn​
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Laura Peterson​
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Harold Anderson​
Big Names I Worked With​

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hello@test.com​
+1 (555) 000-0000​
123 Sample St, Sydney NSW 2000 AU​
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