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# System prepended metadata

title: Vladimir Smelov - Blockchain Developer and Security Auditor

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# Vladimir Smelov - Blockchain Developer and Security Auditor

<img src="https://i.imgur.com/VYVYxjm.jpg" alt="Sample image" width="200" height="200">

## Contacts

**Telegram (preferred way):** https://t.me/vsmelov  
**Email:** vladimirfol@gmail.com  
**GitHub:** https://github.com/vsmelov  
**LinkedIn:** https://www.linkedin.com/in/vladimir-smelov-25021669/

## Skills

**Blockchain & Smart Contracts**: Solidity, Web3, EVM, Hardhat, Brownie, OpenZeppelin, ERC20, ERC721 (NFT), ERC1155, DEX, ZK-proofs, Layer-2, Diamonds (ERC-2535) 

**Security Audits & DeFi**: Security Audit, Architecture, Vulnerability Analysis, Hacking Prevention, Risk Mitigation, Static Analyzers

**Programming Languages**: Python, JavaScript, TypeScript, SQL, Solidity

## About

- 10 years of experience in IT, with 5 years specializing in Blockchain and DeFi.
- Passionate about security audits and ensuring the highest level of protection for blockchain systems.
- Proficient in designing, developing, and auditing DeFi systems.
- Strong analytical and problem-solving skills with a focus on identifying and mitigating risks.
- **Fluent English 🇬🇧.**

## Portfolio

## Work


<table>
  <thead>
    <tr>
      <th>Период</th>
      <th>Описание</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>2022 - 2023</td>
      <td>
          <b>Narfex P2P fiat-crypto exchange.</b>
          <br></br>
        <ul>
          <li>Проект: P2P crypto/fiat exchange</li>
          <li>Заказчик: NARFEX</li>
          <li>Ключевые обязанности: Solidity разработка
          </li>
          <li>Реализованные модули: Fiat P2P exchange и Masterchef farming </li>
          <li>Стек технологий: Solidity, hardhat, JS, Python</li>
          <li>Количество пользователей: 1000</li>
          <li>Время реализации проекта: 3мес</li>
          <li>Особенности проекта: высокие требования к безопасности, бридж фиат - крипта</li>
        </ul>
      </td>
      <tr>
      <td>2022</td>
      <td>
          <b>DAO NFT State - The World State</b>
          <br>
          <ul>
            <li>Проект: Citizenship Governance System for a Decentralized State</li>
            <li>Заказчик: The World State</li>
            <li>Ключевые обязанности: Blockchain Architecture</li>
            <li>Реализованные модули: Decentralized State, citizenship, parties, presidential elections, and voting for various legislative documents.</li>
            <li>Стек технологий: Solidity, brownie, Python, ERC721, Diamond pattern</li>
            <li>Количество пользователей: 1000</li>
            <li>Время реализации проекта: 6 месяцев</li>
            <li>Особенности проекта: сложное ДАО, много кода, Diamond pattern</li>
          </ul>
        </td>
    </tr>
  </tbody>
</table>
