Soroban vs Solidity: A Security Expert Weighs the Safer Smart Contract Platform

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A blockchain security professional with two decades of experience argues that the choice of smart contract language carries direct financial and security consequences. Solidity, built for the Ethereum Virtual Machine, has a vast ecosystem but has historically been prone to vulnerabilities like reentrancy and integer overflow, with over $3.8 billion stolen from DeFi protocols in 2022 alone. Soroban, Stellar's smart contract platform launched on mainnet in early 2024, is built on Rust and compiles to WebAssembly, offering compile-time memory safety that eliminates entire classes of bugs before deployment. However, Soroban's smaller developer community, fewer audit tools, and a steeper Rust learning curve mean it lacks the battle-tested libraries and accumulated wisdom that Solidity's ecosystem provides. The author concludes that while Soroban offers stronger safety-by-design foundations, Solidity's maturity remains a genuine security asset for experienced teams.

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