Reward your existing collectors
Snapshot today, drop the OpenSea CSV, every wallet on the list mints free or discounted on launch day.
Every wallet that held it, at the block you pick.
Receipt-grade holder snapshots across Ethereum, Base, Polygon, Arbitrum, and Optimism. Point-in-time, multi-creator, eight allocation modes.
Collections
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Use cases
One snapshot, four jobs.
Whitelists, airdrops, retroactives, governance. All from one precise holder list.
Distribute tokens however you want
Proportional, capped to fight whales, square-root for softer curves, or a flat unit. Pro-rata splits a fixed budget cleanly.
Reward who held it then, not now
Snapshot any past moment and get who held it then, even if they sold since. Block-precise, about 30-second accuracy.
Voting power tied to engagement
Based on durable holdings, not last-second speculation. Square-root mode dampens whales while keeping the signal honest.
FAQ
Common questions.
How accurate are historical snapshots?
We resolve the block nearest your chosen timestamp via DefiLlama (≈30-second accuracy) and replay every transfer up to that block. The output reflects ownership exactly as it stood. Block numbers are recorded in the receipt so you can verify externally.
Is my data stored anywhere?
No accounts, no database. CSVs and JSON archives live only on your machine. The Cloudflare edge keeps copies of public API answers to cut load: a few minutes for holder lists, up to a day for creator profiles. Shared snapshot links you publish with "Get a shareable link" stay in KV for one year.
What if my collection was deployed via Manifold or Foundation?
Factory-deployed collections are picked up by a secondary pass: we list contracts your wallet appears in, then check whether you're the OpenSea-indexed creator or contract deployer for each. Coverage isn't perfect. If anything is missing, paste the contract address directly.
What contracts get filtered out automatically?
A built-in blacklist removes known marketplace and protocol contracts that hold NFTs but aren't real holders: Seaport/Conduit, Blur Pool, X2Y2, LooksRare, NFTX, gem.xyz, burn addresses, and similar. These would otherwise eat your airdrop while the actual holders (who just listed their NFT on Blur, etc.) get nothing. Multi-sig wallets (Safe, Argent) are kept, since they're real owners.
Does it cost anything?
No. The site is free and we don't sell data. Heavy use is rate limited per IP. AI agents that need holder data at volume can use the paid agent tools.
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