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Fiverr Pro
English
$
USD
I will build, secure, and audit your web3 app, smart contracts, and crypto systems
About this Gig
Your expert Web3 architect and security shield. A broken dApp or vulnerable contract isn't just a bug it's a risk. Whether you need an emergency fix, full system build, or security audit, I deliver institutional-grade solutions to secure and scale your project.
Problems I Solve:
- Emergency fixes for smart contracts & dApps
- Security patching (reentrancy, logic flaws)
- Transaction tracing & stuck asset recovery
- Contract upgrades & token migration
Why Choose Me?
Security-first engineering with gas optimization and production-ready architecture.
Services:
- Full dApp, SaaS, staking & DeFi builds
- WalletConnect, crypto payments (BTC/ETH/USDT)
- Analytics dashboards & on-chain tracking
- Secure Node.js/Python backend systems
Web3 Developer | Smart Contract Audit | DeFi Security | dApp Dev | Crypto Payments | Token Migration
Don't let bugs or exploits kill your project. Order now for a secure Web3 solution.
Keep your assets and information safe
Cryptocurrency services focus solely on developing and programming. Never share sensitive information or private keys with others.
Other Blockchain Development & Solutions Services I Offer
FAQ
What do you need to get started?
Project details, blockchain/network, features, deadlines, and any existing code or issues. GitHub access or docs help speed things up.
Do you fix already deployed smart contracts?
Yes. I debug, patch vulnerabilities, and can redeploy or upgrade contracts safely.
Can you audit my smart contract?
Absolutely. I perform security analysis, identify risks (reentrancy, logic flaws), and provide a clear audit report.
Do you build full dApps from scratch?
Yes. From smart contracts to frontend and backend integration, I handle complete Web3 development.
Which blockchains do you support?
Ethereum, BSC, Polygon, and other EVM-compatible networks.
Can you integrate crypto payments?
Yes. I integrate BTC, ETH, USDT/USDC payment systems and wallet connections.
Do you help recover lost or stuck funds?
I can trace transactions and identify issues. Recovery depends on the situation, but I guide you clearly.
How do you ensure security?
I follow best practices, test thoroughly, and use proven patterns to prevent exploits.
Do you offer ongoing support?
Yes. I provide maintenance, upgrades, and long-term support if needed.
How fast is delivery?
Depends on complexity. Urgent fixes can be prioritized—contact me before ordering.
