Solidity vs. Rust for Web3: A Developer's Honest Take From Building Real Projects

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A developer who built real smart contracts in both Solidity and Rust shares practical insights drawn from two distinct projects: CryptoMarket, an NFT marketplace on Ethereum, and Stellar Charge EV, an EV payment protocol built with Rust on Stellar's Soroban platform. Solidity proved faster to get started with, thanks to its JavaScript-like syntax and mature tooling such as Foundry and OpenZeppelin, but its permissive compiler can leave developers exposed to vulnerabilities like reentrancy attacks if proper patterns are not manually applied. Rust's strict borrow checker initially slowed development and caused toolchain friction, but ultimately caught entire classes of errors at compile time that Solidity would only surface in production or during an exploit. The developer concludes that the choice of language is inseparable from the target blockchain — Solidity is effectively mandatory for EVM-compatible networks, while Rust is the native requirement for Soroban on Stellar. The key takeaway is that the right question is not which language is better, but which problem is being solved on which network.

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