What a common funder is and why it stays purely informational
When multiple wallets receive their first funds from the same source -- sometimes a signal, sometimes just an exchange
What it is, in plain terms
Every Solana wallet, before it can buy a token, needs to receive at least a bit of SOL from somewhere -- we trace where a token's top holders got their initial funds from, to see whether more than one of them shares the same funding source.
If multiple "different" wallets turn out to be funded by the same address, it could mean they're actually controlled by the same person, behind identities that only appear distinct.
Why it stays an informational indicator, not a verdict
Here's the most important part to understand: a shared funder is a common and entirely innocent event when it's an exchange (e.g. Binance, Coinbase) serving thousands of different customers -- it's not a sign of coordination at all in that case.
We tested this check on real cases: on a completely legitimate token, we found a shared funder that turned out to be a well-known Binance wallet -- a false alarm, not a scam. That's why we exclude funders already labeled as known exchanges from the count (a list we verify manually, address by address) -- but even with this filter, the signal stays gray: there could be other legitimate services we haven't identified yet.
How CriptoCheck checks it
We analyze the top 20 holders of the token, tracing back their probable initial funding source through the blockchain's transaction history.
If the shared funder turns out to be an exchange we've already identified and verified, we exclude it from the count -- otherwise, the number of wallets involved is shown as informational data.
What it does NOT guarantee, to be honest
A high number of wallets with a shared funder doesn't prove an ongoing rug pull -- it's a clue to look at alongside the other checks, particularly "identical amounts" (our most solid and validated signal for real coordination).
Likewise, a number of zero doesn't guarantee the absence of coordination -- it might simply not have been funded in a way our check knows how to recognize.
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