<ul><li>Gas Optimization Techniques: Use efficient data types, minimize storage operations, use events instead of storage for logging, and avoid loops and complex calculations.</li><li>Scalability Solutions: Utilize layer 2 solutions such as Optimistic Rollups or zk-Rollups, leverage sharding and sidechains, and break down large contracts into smaller modular components.</li><li>Security Best Practices: Use audited libraries, prevent reentrancy attacks, and thoroughly test smart contracts using testing frameworks.</li><li>Future-Proofing Your Smart Contracts: Implement upgradeable contracts using proxy patterns, stay updated with Ethereum Improvement Proposals (EIPs), and adopt new standards.</li></ul>

Solidity Best Practices for 2025: Tackling Gas Fees and Scalability

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