Need Help Building Your Blockchain Dev Stack?
Get expert guidance on selecting the right tools for your blockchain development.
Curated List
Quick Take
The production blockchain development stack includes: Foundry (development framework — recommended over Hardhat), Slither + Mythril + Echidna (security analysis), OpenZeppelin (standards library — non-negotiable), Alchemy + Infura (node infrastructure), The Graph (indexing), wagmi + viem + WalletConnect (front-end), Tenderly (monitoring), and Gnosis Safe (multi-sig admin). For a production DeFi protocol: use all of these. For a simple token: Foundry + OpenZeppelin + Slither + Alchemy is sufficient.
Development Framework: Foundry (Recommended) vs Hardhat
Foundry is the current professional standard. Key advantages: tests written in Solidity (not JavaScript — eliminates translation layer bugs), native fuzz testing (Forge Fuzz), fast compilation (Rust-based), gas profiling built in, and a cleaner CLI. Most serious DeFi protocol teams use Foundry.
Hardhat is still widely used, especially for teams with strong JavaScript backgrounds. Larger plugin ecosystem. Better for projects requiring JavaScript-based scripting. Still appropriate for many use cases — not obsoleted by Foundry.
Our default: Foundry for new projects. Hardhat for teams with existing Hardhat infrastructure.
Security Analysis: Required Tools
Slither (static analysis): Detects ~70% of common smart contract vulnerability patterns automatically. Run on every commit. Written by Trail of Bits. Free, open source.
Mythril (symbolic execution): Explores code paths symbolically to find vulnerabilities that static analysis misses. Slower than Slither; run on critical code sections before audit submission.
Echidna (fuzz testing): Property-based fuzzing for Solidity. Define invariants ('total supply never exceeds max supply') and Echidna generates input sequences trying to break them. Complements Foundry's built-in fuzzing.
Standards Library: OpenZeppelin
Non-negotiable. OpenZeppelin's Contracts library provides audited implementations of: ERC-20, ERC-721, ERC-1155, ERC-2981, AccessControl, Ownable, Pausable, ReentrancyGuard, TimelockController, Governor, SafeERC20. Use these. Do not reimplement them.
Node Infrastructure: Alchemy (Primary) + Infura (Fallback)
Production dApps need reliable, fast RPC access to blockchain nodes. Alchemy and Infura are the two leading node-as-a-service providers. Configure both — use Alchemy as primary, fall back to Infura if primary is unavailable. Never run a production application on a single RPC endpoint with no fallback.
Indexing: The Graph
Standard for production dApp data querying. Deploy a subgraph that indexes your contract events into a GraphQL API. The alternative (direct RPC queries in the front-end) is too slow, too expensive, and too limited in query capability for production use.
Front-End: wagmi + viem + WalletConnect
The current professional React Web3 stack. wagmi provides React hooks for wallet connection, contract reads/writes, and transaction status. viem is the low-level Ethereum library (replaces ethers.js for new projects). WalletConnect 2.0 provides cross-wallet compatibility.
Monitoring: Tenderly
Real-time transaction simulation and monitoring. Alerts on specific contract function calls, unusual transaction patterns, and failed transactions. The production monitoring standard for serious DeFi protocols.
Multi-Sig: Gnosis Safe
Standard for all admin key management in production smart contract systems. Never use a single EOA (externally owned account) as the admin key for a production DeFi protocol. Gnosis Safe with 3-of-5 or 4-of-7 configuration is the professional standard.