Lab — Web3 tool

Airdrop Checker Template

Airdrop Checker Template is a free online tool that checks a wallet address against an editable set of token-airdrop eligibility rules and shows an eligible or not-eligible verdict with a per-rule pass/fail breakdown — so builders can prototype an airdrop claim page and anyone can see how eligibility rules work, using sample data only.

DEMODemo only — sample data, no real chain connection. Stats are generated in your browser from the address and are not real balances.

Wallet address to check

That doesn’t look like a wallet address — expected 0x followed by 40 hex characters (0–9, a–f).

Nothing leaves this page: no lookup, no wallet connection, no network request. The stats below are derived from the address itself, so the same address always gives the same result.

Eligibility rules — edit, toggle, re-check live

Verdict

Paste an address above.

Press “Check eligibility” to run it against the rules.

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Balance (tokens)
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Holding (days)
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Transactions
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First activity

Per-rule breakdown

How the demo works

Every stat is derived deterministically from the address itself with a small hash function (FNV-1a), so the same address always produces the same balance, holding period, transaction count, and first-activity date — try checking the same address twice. A stat exactly equal to its threshold passes. The snapshot rule passes when the address’s first activity is on or before the snapshot date. None of this touches a blockchain: there is no RPC call, no wallet connection, and no real airdrop to claim.