Ethereum Gas Fee Scams and Gasless Transactions Explained

Why 'pay gas to claim your airdrop' is always a scam, how celebrity giveaway scams use the same script, and how real gasless transactions work through EIP-4337.

Updated August 2026 · Reviewed by the PipeFlare team

A message asking you to pay Ethereum gas to unlock free crypto is always a scam; a real gasless transaction works the other way, with someone else's wallet covering the gas for you

This exact 'pay a small gas fee to claim your prize' script has drained wallets for years under a different celebrity name each time, while EIP-4337 account abstraction now lets legitimate apps sponsor gas so a user never pays it

About ethereum gas fee scams and gasless transactions explained

A message asking for payment to unlock free crypto is always a scam. No legitimate airdrop, refund, or giveaway requires payment before it releases tokens a wallet supposedly already qualifies for. A real transaction that sends crypto to a wallet is paid for by whoever initiates it. The person receiving it never pays anything. The same 'pay a small fee first' script reappears constantly, usually attached to a different celebrity's name or a different project's branding each time. At the same time, a real gasless transaction is a growing part of Ethereum, built through a 2023 upgrade called EIP-4337 that lets an app's own contract cover gas on a user's behalf. The direction the money moves is the tell: a scam always asks for payment first, and a legitimate paymaster always pays before a transaction executes.

How it actually works

The 'pay gas to claim' scam follows a script familiar from older advance-fee fraud, translated into blockchain terms. A fake claim page, direct message, or comment states that a wallet was selected for an airdrop, a giveaway, or a refund of overpaid gas fees, and that a small payment is needed first to 'unlock,' 'release,' or 'activate' the reward. Once that payment is sent, the reward never arrives, and the sender disappears. A related version swaps the direct payment for a wallet signature: a fake claim page asks a visitor to connect a wallet and sign what looks like a claim transaction, but is actually a broad token approval that lets the scammer's own contract move assets already sitting in that wallet. Chainalysis tracks this drainer pattern as one of the most common ways crypto users lose funds, because a real claim really does involve connecting a wallet and signing something, which gives a fake version cover to look normal.

Celebrity-impersonation giveaway scams run on the same 'pay first' logic dressed up differently. A fake livestream or account impersonating a public figure, Jack Dorsey among the names attackers reuse most often, promises to double or match any Bitcoin or Ethereum sent to a displayed address within minutes. The FTC has repeatedly warned that no celebrity giveaway sends back more crypto than it receives, regardless of how convincing the account, video, or verified-looking badge attached to it appears. Crypto sent to one of these addresses is gone the same way a gas-fee 'unlock' payment is.

A genuinely gasless transaction runs in the opposite direction: a separate wallet pays the gas instead of the user. EIP-4337, finalized on Ethereum mainnet in March 2023, defines account abstraction, a system where a smart-contract wallet submits a transaction through a special mempool and an entry-point contract, with a separate contract called a paymaster agreeing to cover the gas cost. A paymaster can belong to the app itself, subsidizing gas as a feature for new users, or it can accept payment in a stablecoin or a project's own token instead of ETH, removing the need to hold ETH just to pay a fee. ethereum.org documents account abstraction as a core, ongoing part of Ethereum's roadmap rather than an experimental side project. The only legitimate 'gas refund' Ethereum performs happens automatically inside a single transaction: since the London upgrade introduced EIP-1559, setting a maximum fee above what actually gets charged returns the unused portion to the sender as part of that same transaction, with no follow-up action and no second payment required. That automatic mechanic is the opposite of every gas-refund scam pitch, which always asks for a payment before anything comes back. Details on how gas itself is priced and measured are covered on the site's Ethereum gas fees page, and a live gwei-to-USD converter shows what a given gas price actually costs.

Start here

1Treat any message asking for payment to 'unlock,' 'release,' or 'activate' a reward as a scam, regardless of how official the branding looks.
2Type or bookmark a project's real domain directly instead of clicking a link inside a direct message, a comment, or a livestream chat box.
3Treat any livestream promising to double whatever crypto is sent as fake, no matter what name or badge is attached to the account running it.
4Read exactly what permission a wallet signature grants before approving it. A signature can move funds just as completely as a direct payment.
5Check a specific app's gasless claim against its own published paymaster contract or account-abstraction documentation rather than a marketing line alone.

Strengths

The 'pay first' pattern is recognizable on sight once understood, which works against every future version of the scam regardless of which project or celebrity name it borrows next.
EIP-4337's paymaster design gives a real, checkable way to verify a 'no gas fee' claim against a project's own contract, instead of trusting an app's marketing.
The same red flag covers a related scam: fake wallet-recovery tools that ask for a 'gas deposit' to 'unlock' funds a scammer claims are stuck.

Common misunderstandings

Some victims assume a fee request is reasonable, since real Ethereum transactions genuinely do cost gas. The giveaway itself is the fake part. Gas genuinely does cost money in general.
A wallet signature can drain a wallet just as completely as sending funds directly, so avoiding a direct payment alone does not make a claim page safe.
Not every app labeled 'gasless' is actually gas-free. Some fold the cost into a higher token price or a spread instead of a paymaster genuinely covering it.

Common questions

Is there ever a legitimate reason to pay gas to claim a free airdrop?

No. A real airdrop, giveaway, or refund is paid for by the project distributing it. The person receiving it never pays. Any page asking for a payment before a reward unlocks is running an advance-fee scam, regardless of how official the branding looks.

How does the gas-fee drainer scam actually take funds?

It works one of two ways. Either a direct payment disappears the moment it is confirmed, or a signed transaction turns out to be a broad approval that lets a scammer's contract move tokens already sitting in the connected wallet. The second version is more dangerous, because nothing the victim sends directly ever triggers a warning.

What makes celebrity crypto giveaway scams convincing?

They copy a real account's name, photo, and sometimes a manipulated video clip, then run inside a livestream or comment section where the pressure to act fast discourages a second look. The FTC has flagged this pattern specifically, since the core promise, crypto sent in comes back doubled, never happens no matter who appears to be running the stream.

What is a gasless transaction, in plain terms?

A gasless transaction is one where a party other than the end user pays the network fee. Instead of a user holding ETH to cover gas directly, a smart-contract wallet submits the transaction through a paymaster contract that covers the cost, either as a free feature or in exchange for a different form of payment.

What is a paymaster in EIP-4337?

A paymaster is a smart contract that agrees to pay gas on behalf of a user's transaction, as defined in EIP-4337's account-abstraction design. An app can run its own paymaster to subsidize new users, or accept payment in a token other than ETH, letting a wallet holding zero ETH still transact.

Why would an app pay a user's gas fee?

Mainly to remove a barrier to entry. Requiring a new user to first acquire ETH just to try an app loses a large share of potential users before they have done anything inside it. A subsidized first transaction is a documented, common use case for account abstraction. It is not a hidden catch.

Does a 'gasless' label always mean genuinely free?

No. Some apps marketed as gasless are still paying gas somewhere, just folding that cost into a token price, a subscription, or a spread instead of charging it as a visible line item. That is a legitimate business choice, and it differs from a paymaster genuinely covering the cost with nothing passed on at all.

What would change this warning?

Nothing about the 'pay gas to claim' pattern changes: no legitimate claim ever asks for payment first. What can differ is whether a specific app's gasless claim is real, which is checkable against its own published paymaster contract or account-abstraction documentation rather than a marketing line.

Sources

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