Cryptocurrency & Web3 Development — DeFi, NFT & Exchange Apps
From DeFi protocols and NFT marketplaces to centralized exchanges and crypto wallets — we build secure, auditable Web3 products at 65% below US rates.
Crypto & Web3 Services
End-to-end development across the crypto ecosystem
DeFi Protocol Development
AMMs, lending/borrowing protocols, yield farming, staking contracts, liquidity pools. Solidity (Ethereum/Polygon) and Rust (Solana).
from $4,500/mo
CEX / DEX Platforms
Centralized exchange with order books, matching engine, and custody. Or DEX with smart contract-based liquidity and on-chain settlement.
from $5,000/mo
NFT Marketplace
ERC-721/1155 minting, royalty enforcement (EIP-2981), auctions, lazy minting, metadata storage on IPFS, collection management.
from $3,500/mo
Crypto Wallet Apps
HD wallets, multi-chain support (EVM, Solana, Bitcoin), WalletConnect integration, hardware wallet support, gas estimation.
from $3,000/mo
Blockchain Analytics
On-chain data indexing with The Graph, transaction monitoring, whale alert systems, portfolio tracking dashboards, tax reporting.
from $3,000/mo
Web3 Backend & APIs
Indexers, event listeners, webhooks for blockchain events, token price feeds, CEX APIs, KYC/AML integration with Sumsub/Onfido.
from $3,000/mo
Why CodeMiners for Web3?
Security-First Smart Contracts
Reentrancy guards, access control, overflow protection, and pre-deployment testing with Hardhat/Foundry. We write contracts audit-ready.
Multi-Chain Expertise
EVM chains (Ethereum, Polygon, Base, Arbitrum), Solana, and emerging L2s. We deploy where your users are.
Full-Stack Web3
Not just smart contracts — we build the complete stack including indexers, APIs, and frontend dApps with Wagmi/ethers.js/viem.
Build Your Crypto Product Today
DeFi, NFT, and exchange development from $3,000/month. Start in 48 hours.
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