What Is Gas in Ethereum?
Key Takeaways What Is Gas in Ethereum? Ethereum is one of the most widely used blockchain networks in 2025–2026, powering decentralized finance (DeFi), non-fungible tokens (NFTs), and decentralized applications (dApps). At the core of Ethereum’s functionality is gas—a critical concept that determines how transactions are processed, how smart contracts operate, and how fees are calculated….