What a crypto airdrop is, retroactive vs points-based drops, sybil filters, unlocks, how IRS and HMRC tax airdrops, and how to spot fake airdrop claim sites.

A crypto airdrop is a free distribution of tokens to many wallet addresses at once, usually to reward early users, decentralise ownership of a new token or attract attention to a project. Most airdrops today go to people who used a protocol before a "snapshot" date, often scored through a points programme, and the tokens are claimed through the project's official site or sent straight to eligible wallets.
This guide covers the main types of airdrop, how points programmes and sybil filters decide who qualifies, what happens after you receive tokens (unlocks, selling pressure, tax), and how to avoid the fake airdrops that drain wallets.
The UK tax authority gives a neutral working definition in its Cryptoassets Manual (CRYPTO21250): an airdrop is where someone receives an allocation of tokens, for example as part of a marketing campaign, because they hold other tokens, or because they registered to take part. The US Internal Revenue Service describes it more mechanically in Revenue Ruling 2019-24 as "a means of distributing units of a cryptocurrency to the distributed ledger addresses of multiple taxpayers."
Why would a project give tokens away? There are three common reasons:
An airdrop isn't risk-free money: the tokens are worth only what the market pays, many recipients sell at once, and claims are a favourite target for scammers.
Airdrops fall into a handful of patterns. A single drop often mixes several.
The project looks back at on-chain history and rewards addresses that used it before a cut-off. Uniswap's UNI launch in September 2020 is the best-known example. According to Uniswap's launch post, 15% of the 1 billion UNI genesis supply (150,000,000 UNI) was claimable by historical users, liquidity providers and SOCKS holders based on a snapshot ending 1 September 2020. Every address that had ever called the Uniswap v1 or v2 contracts could claim 400 UNI, including around 12,000 addresses that had only ever submitted failed transactions.
Instead of a surprise snapshot, the project announces a points programme in advance and later converts points into a token allocation. This is now the dominant model (see the next section).
Tokens go to everyone holding a particular asset at a snapshot. The classic case is a hard fork, where holders of the original coin receive the new one. The IRS ruling above was written for exactly this situation.
Users complete actions such as bridging, swapping, following an account or joining a testnet in exchange for eligibility. These are the easiest to farm with many wallets, so they tend to attract the heaviest sybil filtering.
A points programme is a public scoreboard. The protocol tracks activity, usually trading volume, deposits or time in a position, and credits points on a regular schedule. Points are normally not tokens: you can't transfer them on-chain, and the project decides later whether and how they convert into anything.
Hyperliquid's programme is a clear, documented example. Its points documentation says the programme began on 1 November 2023 and distributed 1,000,000 points a week for six months, ending 1 May 2024; an L1 phase then ran from 29 May 2024 to November 2024 at 700,000 points a week. The docs also state that Hyperliquid "reserves the right to modify previous point distributions under its sole discretion", which is typical. When the HYPE token launched on 29 November 2024, 31% of the 1 billion supply (310 million HYPE) went to eligible users, fully unlocked at launch, according to The Block. Decrypt valued the drop at more than $1.6 billion, using HYPE's launch-day peak price of $5.40.
Things to keep in mind with any points programme:
A sybil is one person pretending to be many users by splitting activity across lots of wallets. Because most airdrops give each eligible address a minimum allocation, sybils can capture a large share of a drop meant for real users. Projects therefore filter them out before distribution.
Arbitrum's ARB airdrop shows how this works in practice. Its eligibility specification allocated 11.62% of supply (1.162 billion ARB) to users using a points system capped at 15 points, with fewer than 3 points meaning no allocation. Individual entitlements ranged from 625 to 10,250 ARB. Anti-sybil rules disqualified, among others, addresses previously flagged as sybils in the Hop protocol bounty programme, and the methodology was published on GitHub. Claims opened on 23 March 2023 and closed on 24 September 2023; after that, ARB was no longer claimable.
LayerZero took a different route ahead of its ZRO token. In May 2024 it gave sybil farmers 14 days to self-report in exchange for 15% of their intended allocation, rather than risk being caught and receiving nothing, as The Block reported.
Typical signals include wallets funded from one source, identical transaction timing and funds flowing back to one collector wallet. Use one wallet the way a normal person would, and these rules are unlikely to affect you.
Receiving an allocation is only the start. A few practical points:
This is a brief overview, not tax advice. Rules vary by country and depend on your circumstances.
United States. In Rev. Rul. 2019-24, the IRS held that a taxpayer who receives new cryptocurrency through an airdrop following a hard fork has ordinary income equal to its fair market value when received. You are treated as receiving it when you have "dominion and control", meaning you can transfer, sell, exchange or otherwise dispose of it. If the tokens land at an exchange that doesn't yet support them, income arises later, when you gain that ability. The IRS virtual currency FAQs add that your basis equals the amount you included in income. A later sale produces a capital gain or loss from that basis. The ruling addresses hard-fork airdrops specifically; treatment of other airdrops follows the same general income principles, so check with a tax professional. US brokers' new reporting on Form 1099-DA covers sales, not the airdrop receipt itself.
United Kingdom. HMRC's CRYPTO21250 says Income Tax will not always apply. Tokens received without doing anything in return, and not as part of a crypto trade, may fall outside Income Tax. Airdrops received in return for, or in expectation of, a service are taxable as miscellaneous income or trading receipts. Either way, disposing of the tokens later may create a chargeable gain for Capital Gains Tax.
Keep a record of the date, the amount and the market value at receipt for every airdrop you claim.
Fake airdrops are one of the most common ways wallets get drained. According to BleepingComputer, citing anti-scam platform Scam Sniffer, wallet drainer attacks stole $494 million in 2024 across more than 300,000 wallet addresses. Attackers used fake token airdrops, compromised social accounts and bots to send traffic to phishing sites, and 56.7% of the thefts relied on "Permit" token-approval signatures.
The usual patterns:
Basic hygiene: reach the claim page only from the project's official website or documentation, read what you are signing, claim with a separate wallet that holds little else, and revoke approvals you no longer need. For more patterns, see crypto scams in 2026.
JewelSwap runs a points programme of its own. JewelSwap Points are earned by using the protocol, at 1 point per $1 for staking, farming, lending and borrowing, credited through daily snapshots, plus points for veASH votes and referrals. The JewelSwap docs are explicit that there is currently no use case for points. They are not a token, and no airdrop has been promised. Treat them as a record of activity, not as a reason to take on risk.
An airdrop is a free distribution of tokens to many wallet addresses, usually to reward early users, spread governance power or launch a new token. Recipients either claim the tokens through the project's official site or receive them directly in their wallet.
Not really. You may have taken on risk to qualify, the tokens can lose value quickly as recipients sell, they may be taxable when received, and fake airdrops are a common way wallets get drained.
Projects set their own criteria, usually based on genuine use before a snapshot date, often measured through a points programme. There is no guarantee: rules can change, and wallets flagged as sybils are typically excluded.
Often, yes. In the US, the IRS treats airdropped tokens received after a hard fork as ordinary income at fair market value once you can dispose of them. In the UK, HMRC says Income Tax may not apply if you did nothing in return, but airdrops given for a service are taxable, and later disposals can create Capital Gains Tax.
Be suspicious of unsolicited tokens, claim links from DMs or ads, lookalike domains, and any site asking for your seed phrase or a broad token approval. Only claim through links on the project's official website or docs, and use a separate wallet for claims.
JewelSwap has not promised that. Its docs say there is currently no use case for points, though this might change in the future. Points are a record of protocol activity, not a token.
This article is educational and is not financial, legal or tax advice. Figures are as of 12 October 2026, from the primary and news sources linked above.