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Gas fees

Transaction fees paid to a blockchain network, usually in the network’s native token, to execute a transfer, swap, or contract interaction.

What is Gas fees?

Transaction fees paid to a blockchain network, usually in the network's native token, to execute a transfer, swap, or contract interaction.

Why it matters on your return

Fees on a purchase add to basis; fees on a sale reduce proceeds. Fees on transfers between your own wallets are not deductible for an investor, and paying a fee in crypto is itself a small disposal of that crypto.

Example

You pay 0.01 ETH in gas to swap tokens. The swap is one taxable event; the 0.01 ETH used for gas is a second, smaller disposal at that day's value.

Can I deduct gas fees on my taxes?

Not as a standalone deduction for an investor. They are capitalized into basis or netted against proceeds, depending on the transaction.

Source: IRS FAQ on virtual currency transactions (basis and fees)

Last reviewed September 17, 2026. Tax rules change; confirm current law before acting.

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