Gas (Transaction Fees)

Gas is the unit of computational work required to execute an operation on a blockchain like Ethereum or Base. Users pay a gas fee — denominated in the chain's native asset (ETH on Ethereum and Base, MATIC on Polygon, etc.) — to compensate validators for processing the transaction. Gas fees vary with network congestion: minting an NFT on Ethereum mainnet can cost meaningfully more during busy periods than on quiet days. Layer-2 networks like Base typically charge a small fraction of mainnet gas, which is why many tokenization platforms operate there. For tokenizing or transferring a domain, expect to pay a one-time gas fee per on-chain action (mint, transfer, list, etc.) — usually small relative to the registrar fees. Reference: Ethereum.org's gas explainer.