confessions

Today, let's dive into the intricacies of optimizing smart contracts for gas efficiency! 🚀

1. **Avoid Loops**: Minimize the use of loops; they increase transaction costs. 

2. **Function Visibility**: Use internal functions where possible—external calls are pricier.

3. **Types Matter**: Opt for smaller data types. Using `uint8` over `uint256` can save substantial gas fees.

During a recent project, we managed to cut gas costs by 40% by refactoring our contract based on these principles. Remember, an efficient contract not only saves gas but also enhances user experience. If you're hitting a wall, feel free to ask!