Blockchain Development
Smart contracts, DeFi protocols, NFT marketplaces, and blockchain-backed enterprise applications on Ethereum, Polygon, and Solana. Security-first architecture reviewed by our Web3 specialists.
What You Get
Solidity and Rust smart contract development
NFT marketplace and minting platforms
DeFi protocol engineering (AMMs, lending, staking)
Blockchain security audits (pre-deployment)
IPFS and decentralised storage integration
Enterprise blockchain: Ethereum, Polygon, Solana
How We Deliver
Architecture Design
Choose the right chain, consensus mechanism, and token economics for your use case.
Smart Contract Development
Write, test, and deploy contracts with comprehensive unit and integration tests using Hardhat or Foundry.
Frontend & Wallet Integration
Build the dApp frontend with wagmi/ethers.js and integrate with MetaMask, WalletConnect, and hardware wallets.
Security Audit & Launch
Pre-deployment security review, gas optimisation, and production deployment with monitoring.
Tech Stack
Frontend
ReactOther
“InApps assembled a 6-person team in 2 weeks. They hit the ground running and delivered like they'd been with us from day one.”
CTO, US SaaS Platform
Series B · 150-person company
InApps vs. The Alternatives
| Criterion | InApps | In-House |
|---|---|---|
| Cost | 60–70% lower than US/EU | Full salary + overhead |
| Speed | Team ready in 4–6 weeks | 3–6 months recruiting |
| Quality | Top 1% vetted engineers | Varies by market |
| Communication | B2+ English, async-friendly | Native, co-located |
| Flexibility | Scale up/down 30-day notice | Rigid headcount |
Frequently Asked Questions
We primarily work with Ethereum, Polygon, Solana, Arbitrum, and Base — chosen based on your gas cost, latency, and user base requirements.
Yes. Every smart contract we deploy goes through an internal security review. For high-value contracts (DeFi, token sales), we recommend and can coordinate third-party audits.
Yes. We have experience with Hyperledger Fabric and private EVM chains for enterprise use cases that require permissioned access.
Trusted by Engineering Teams Across 15+ Countries
Ready to build something great?
Our solution architects will map your requirements to the right team structure and tell you honestly whether InApps is the right fit.