@ongzhimin44

Smart contracts are self-executing programs stored on a blockchain, automatically enforcing agreements when predefined conditions are met. They operate on a trustless, decentralized network, eliminating intermediaries. On Ethereum, smart contracts are written in Solidity, compiled into bytecode, and deployed on the Ethereum Virtual Machine (EVM). Transactions trigger contract functions, with gas fees covering computational costs. Solana, known for high throughput, uses Rust or C for smart contracts, called "programs." These run on Solana’s Sealevel runtime, enabling parallel transaction processing. Both platforms ensure immutability and transparency, but Solana emphasizes scalability, while Ethereum offers a robust ecosystem. Developers choose based on performance, cost, and community support.

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