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🚀 Founder of AgileGypsy — building secure, scalable blockchain & AI systems for a decentralized future
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💻 Blockchain Engineer & Security Auditor
Specializing in DeFi protocols, smart contracts, tokenomics, and audit-level protocol security -
🧠 Exploring AI × Blockchain:
- Token‑gated AI SaaS platforms
- Autonomous ChainBots & LLM agents
- Smart contract auditing with AI fuzzing and invariant testing
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🔍 Audit contributor on CodeHawks & Immunifi
(building a portfolio of real-world vulnerability findings) -
🌐 Under construction:
- jw3b.dev — upcoming Blockchain Engineer / Dev / Security Researcher portfolio showcase
- jw3b.dev — upcoming Smart Contract Audit portfolio showcase & Marketing
- agilegypsy.com & audit.brave & audit.brave— upcoming company & product sites
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🚀 In Progress (Aug–Dec 2025)
- 🏆 SSCD+ (Updraft Solidity Smart Contract Developer Certification) (Expected: Sep/Oct 2025)
- 🔐 Smart Contract Security (Cyfrin) (Top Priority)
- 🔧 Advanced Foundry (Cyfrin) (36%)
- ⚙️ Assembly & Formal Verification (Cyfrin) (Up next)
- ⚖️ Uniswap V2/V3 → Curve Cryptoswap/Stableswap (Q4)
- 🔓 Advanced Web3 Wallet Security (Cyfrin) (58%)
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✅ Completed
- Solidity Smart Contract Dev (Cyfrin)
- Web3 Wallet Security Basics (Cyfrin)
- Foundry Fundamentals (Cyfrin)
- Blockchain Basics (Cyfrin)
- 🧠 Neo4j Certified Professional
📊 Audit Stats (as of July 28, 2025)
| 🧠 Metric | 🔎 Value |
|---|---|
| Rank | #1176 |
| EXP | 124 |
| Findings | 🟥 1 High • 🟧 1 Medium • 🟩 1 Low |
| Profile | View on CodeHawks |
| Project | Description |
|---|---|
| cyfrin-updraft-track | Structured coursework tracker & rewrite repo (SSCD+, SCS, Foundry) |
| solidity-audits | Audit reports, vulnerability writeups (CodeHawks / C4 style) |
| chainbots-prototype | Token-gated AI bot prototype with smart contract auth + usage metering |
| zklib-starter | Experimental ZK tooling repo (Noir + Solidity proof composition) (coming soon) |
| Platform | Link |
|---|---|
| linkedin.com/in/john-wellard | |
| Portfolio | jw3b.dev |
| onchain@jw3b.dev | |
| Twitter/X | @Web3ByVirtuAI |
| CodeHawks | Profile |
| Payments | Airtm • UD.me Wallet |
From memecoins to MEV, from Yul to zk — I’m documenting it all.
🔐 Auditing contracts, breaking things (ethically), and pushing gas to the limit.
🚧 Work in progress? Always.
🧵 Follow the commits, fork the audits, and stay weird 👽.
📢 Feel free to reach out!