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Fiverr Pro
English
$
USD
I will develop web3 blockchain solutions
About this Gig
Secure, production-ready Web3 systems including smart contracts, dApps, and blockchain-based applications. Focus on clean contract design, predictable behavior, and safe user interactions. Suitable for MVPs and real launches. We prioritize clarity, audit-friendly code, and real-world usage.
What We Do
- Develop smart contracts (ERC-20, ERC-721, ERC-1155, custom logic)
- Build frontend dApps connected to wallets (MetaMask, WalletConnect)
- Design contract architecture with upgradeability & safety in mind
- Integrate blockchain logic into web apps (Next.js + Web3)
- Handle production edge cases: wallet rejection, failed tx, gas errors, network mismatch, double submit, retries
- Write clean, documented, readable smart contract code
- Deploy to testnet and mainnet (as required)
- QA testing for contract + frontend interactions
What Client Gets
- Smart contract source code + deployment scripts
- Frontend dApp source code (if included in package)
- Testnet / mainnet deployment (per package)
- Documentation: contract functions, roles, risks, usage guide
- Confirmed scope + supported scenarios
Tools:
Web3.js
Programming Language:
JavaScript
Industry:
Supply chain
Keep your assets and information safe
Cryptocurrency services focus solely on developing and programming. Never share sensitive information or private keys with others.
FAQ
Gas fees, audits, and third-party services are NOT included unless agreed
No. Gas fees, security audits, and any third-party services (such as external APIs, hosting, premium tools, or oracle services) are not included in the base price. These can be added upon request and will be quoted separately depending on the project scope.
UI complexity directly affects scope and timeline
Yes. The complexity of the UI directly impacts the overall project scope, development effort, and delivery timeline. Advanced designs, custom animations, complex user flows, dashboards, or highly interactive components require additional planning, development, and testing time.A simpler UI will type
Formal security audits can be arranged separately as add-on
Formal security audits are not included in the base package. However, they can be arranged separately as an add-on service. If required, we can coordinate with reputable third-party audit firms and provide a separate quotation based on the project size and complexity.
