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The original zkSync airdrop claim is closed: the deadline was January 3, 2025. There is no general late-claim route in the official claim guidance, so a site or message promising a new claim should be treated with caution unless ZKsync or ZK Nation confirms it through an official channel.
The one-time distribution allocated 3.675 billion ZK tokens to eligible users and ecosystem contributors. Here is how the historical eligibility rules worked, what happened to unclaimed tokens, and how to protect your wallet from fake claim offers.
What was the zkSync airdrop?
ZKsync is an Ethereum scaling ecosystem. Its ZK token is used for governance, including voting and delegating voting power; an allocation did not guarantee income or a right to protocol cash flows. The airdrop was a one-time distribution of 3.675 billion ZK—17.5% of the stated 21 billion token supply—to 695,232 eligible wallets. The distribution covered both network users and people who contributed to the ecosystem. ZK Nation’s airdrop documentation and its token documentation describe the allocation.
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An airdrop allocation was not automatic for every person who had ever used ZKsync. Eligibility depended on activity or qualifying contributions, the published geographic terms, and screening intended to identify sybil activity.
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Can you still claim ZK?
No. The general claim period opened June 17, 2024, and closed January 3, 2025 at 11:59 p.m. CEST. The official claim FAQ says an allocation cannot be claimed through the original process after that deadline. It does not describe a general late-claim appeal.
Unclaimed tokens were not minted through the original claim and were to return to the pool of mintable supply controlled through ZKsync governance. Do not pay a recovery agent or connect a wallet to a site advertising a reopened claim. Buying ZK, if available to you through a legitimate venue, is not the same as claiming this expired airdrop.
Key dates and figures
| Detail | Published value |
|---|---|
| Activity snapshot | March 24, 2024 at 00:00 UTC |
| Snapshot blocks | ZKsync Era: 29,710,983; ZKsync Lite: 187,273 |
| Airdrop allocation | 3,675,000,000 ZK, or 17.5% of the stated 21 billion total supply |
| Eligible wallets | 695,232 |
| General-user claim opening | June 17, 2024 at 9:00 a.m. CEST |
| Some contributor claim openings | June 24, 2024 at 9:00 a.m. CEST |
| Claim deadline | January 3, 2025 at 11:59 p.m. CEST |
| Current status | Closed, according to the official claim FAQ |
The historical snapshot means activity after March 24, 2024 could not create eligibility for this distribution. The original terms also excluded U.S. residents and listed Cuba, Iran, North Korea, Russia, Syria, Crimea, Donetsk, and Luhansk. Those were terms for this airdrop, not a blanket statement about every current ZKsync service or token activity. The official airdrop page lists the snapshot and restrictions.
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Who could qualify?
Network users
The user allocation considered activity on ZKsync Era and ZKsync Lite. Published examples included interacting with at least 10 non-token smart contracts on Era (with qualifying contracts having at least 30 days of activity), using paymasters for at least five transactions, trading at least 10 distinct ERC-20 tokens on Era decentralized exchanges, providing liquidity to tracked decentralized-exchange or lending protocols, and holding at least one Libertas Omnibus NFT at the snapshot. Activity on ZKsync Lite and other listed criteria could also count. The complete criteria are in the official airdrop documentation.
Bridging alone was not enough. The official token FAQ says eligible user addresses had to bridge crypto-assets onto ZKsync Era and meet at least one eligibility criterion. Using the network now cannot retroactively satisfy the historical snapshot.
Contributors
Another 11% of the airdrop was allocated to contributors rather than ordinary user activity. Categories included external project contributors, Protocol Guild members, ZKsync-native project contributors, GitHub developers and discussion helpers, researchers and security contributors, moderators, educators, translators, and selected communities. Some categories had separate claim timing or address-association requirements. Certain external project, Protocol Guild, and ZKsync-native project contributors were scheduled to begin claiming June 24, 2024. The token FAQ and claim FAQ describe those distinctions.
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How were eligibility and allocations determined?
The published methodology proceeded through eligibility screening, allocation calculation, multipliers, and sybil detection. For user allocations, value scaling considered the amount sent to ZKsync Era and how long assets remained in a wallet. Multipliers could increase an allocation, while sybil detection aimed to exclude bot-like or coordinated farming behavior. These methods are outlined in the airdrop documentation.
- Similar-looking transaction histories did not necessarily produce identical allocations.
- A high transaction count alone did not guarantee a large allocation.
- Multiple wallets were not automatically disqualified, but coordinated or repetitive patterns could be filtered or affect allocations.
How the original claim worked
This is a historical description, not a current claiming procedure. During the claim period, users visited claim.zknation.io, connected the eligible wallet, selected Claim, then delegated ZK voting power to themselves or a third-party delegate. Launch materials said the normal claim used account-abstraction capabilities to make it gas-free. These steps and dates are documented in the claim FAQ and token announcement.
Multisig wallets, including Safe wallets, could not use the ordinary interface and had a separate manual-claim process at the time. Since the published claim window has closed, that historical exception should not be read as evidence that a late multisig claim is available now.
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What happened to the unclaimed tokens?
In April 2025, a compromised administrator key was used to mint approximately 111 million unclaimed ZK tokens from three airdrop Merkle distributor contracts. ZK Nation said the incident was confined to those distribution contracts; it said the main ZK token contract, protocol, governance contracts, and active capped minters were not affected, and that user funds were safe. The official incident update provides the stated scope.
The organization later reported that the exploited funds had been returned through a safe-harbor arrangement. A governance proposal addressed the handling of recovered assets; do not assume a final disposition beyond what the proposal record establishes.
How to avoid fake ZK claim offers
- Verify announcements through official ZKsync or ZK Nation channels; do not trust unsolicited direct messages or search ads.
- Never enter a seed phrase or private key into a claim page. A legitimate claim does not require handing over wallet custody.
- Do not pay crypto to unlock, recover, or release an expired allocation.
- Before signing, inspect the transaction target, function, token amount, and spender. A wallet connection is different from a token approval or transfer.
- Treat claims of a “second round” or “unclaimed ZK recovery” as unverified unless official channels confirm them.
- A token balance shown on a website does not prove that a claim is genuine.
What ZK holders can do
ZK’s documented primary role is governance. Holders can participate in governance by voting or delegating voting power; procedures are described in the ZKsync governance procedures. Holding the token does not itself establish a right to cash flows, and governance utility may evolve through governance decisions.
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The official token contract listed by ZK Nation is 0x5A7d6b2F92C77FAD6CCaBd7EE0624E64907Eaf3E on ZKsync Era. Verify a token’s contract and transaction history using trusted sources; a visible token balance is not evidence of an unclaimed allocation. The token page describes ZK as having a 21 billion fixed supply with no inflation, while the token documentation says governance can increase supply through a protocol upgrade. The 21 billion figure is therefore the published initial supply cap, not an immutable guarantee independent of governance. See the ZKsync token page and ZK Nation token documentation.
How the stated 21 billion ZK supply was allocated
| Allocation | Tokens | Share |
|---|---|---|
| Token Assembly | 6,146,000,700 | 29.27% |
| Ecosystem Initiatives | 4,179,000,000 | 19.90% |
| Airdrop | 3,675,000,000 | 17.50% |
| Investors | 4,154,642,006 | 19.78% |
| Team | 2,845,357,294 | 13.55% |
| Total | 21,000,000,000 | 100% |
The token documentation says team and investor allocations were subject to a four-year unlock period from June 2024 through June 2028, with a one-year cliff. It states that approximately 3.6% of total supply unlocked in June 2025, followed by monthly vesting. These are the published terms in ZK Nation’s token documentation.
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