
What Are Gas Fees? Crypto Transaction Costs Explained
Gas fees are the transaction costs paid to process operations on a blockchain. Learn what gas fees are, how they are calculated, why they fluctuate, and how to reduce them.
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Educational guides and deep dives into DeFi, index methodology, and onchain finance.

Gas fees are the transaction costs paid to process operations on a blockchain. Learn what gas fees are, how they are calculated, why they fluctuate, and how to reduce them.

A smart contract is a self-executing program on a blockchain that runs automatically when conditions are met. Learn how smart contracts work, what they enable, and their role in DeFi.

Ethereum is a blockchain platform that enables smart contracts and decentralized applications. Learn how Ethereum works, what makes it different from Bitcoin, and its role in DeFi.

Bitcoin is the first and largest cryptocurrency. A decentralized digital currency that operates without banks or governments. Learn how Bitcoin works, its history, and key features.

A crypto wallet stores the private keys that give you access to your cryptocurrency. Learn how crypto wallets work, the different types, and key security considerations.