A small fee you pay to process a transaction on a blockchain, which goes to the people running the network.
Think of it like postage on a letter — you pay a small fee to get your transaction delivered and processed.
Gas fees can vary wildly based on network traffic, so timing your transactions can save you real money.
Watch out for making transactions during peak times — gas fees can spike dramatically. Check current fees before confirming, and consider using Layer 2 networks for cheaper transactions.
The cryptocurrency of the Ethereum network — the second-largest crypto by value, used to pay for transactions and power apps on Ethereum.
A separate network built on top of a Layer 1 blockchain to make transactions faster and cheaper, while still relying on the main chain for security.
A shared digital ledger that records every transaction across a network of computers, where entries can't be secretly changed or deleted.
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