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Glossary

Gas fee terms in plain English.

Gas
A unit of computational work required to execute a blockchain transaction or contract call.
Gwei
A small denomination of ETH commonly used to quote Ethereum gas prices.
Base fee
The protocol-set Ethereum fee that changes with block demand under EIP-1559.
Priority fee
An optional tip used to incentivize faster transaction inclusion.
Layer 2
A scaling network that executes activity away from a base chain while preserving a settlement relationship.
Bridge
A tool or protocol for moving assets or messages between blockchains.