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Language Comparison
| Factor | Solidity | Vyper |
|---|---|---|
Market share | ~95% | ~5% |
Syntax | JavaScript/C++ inspired | Python-inspired |
Developer talent | Largest pool | Very limited |
Features | Full-featured (inheritance, generics) | Intentionally limited |
Audit tooling | Mature (Slither, Foundry, Hardhat) | Limited |
Gas optimization | Extensive patterns known | Generally competitive |
Security philosophy | Feature-rich, trust developer | Limited features, fewer footguns |
Major protocols using it | Uniswap, Aave, Compound, OpenSea | Curve Finance, Yearn vaults |
When Vyper Wins
Security-first simple contracts: Vyper intentionally excludes features that are common sources of bugs: no class inheritance, no function overloading, no recursive calls, no inline assembly. For a simple token contract or vault where security is paramount and features aren't needed: Vyper's constraints reduce attack surface.
Auditability: Vyper's simpler language (fewer ways to write the same thing) makes contracts easier to audit. Curve's Vyper contracts are often cited as highly readable.
When Solidity Wins
Everything else. 95% of developers, all major frameworks (Foundry, Hardhat), all major audit tools (Slither, Certora), all major libraries (OpenZeppelin). If you need: inheritance, complex data structures, modular design, broad hiring pool, or extensive tooling: Solidity.