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Every trade on pump.fun pays a creator fee, first on the bonding curve and later on PumpSwap once the coin graduates. Those fees collect in the coin’s creator vault on pump.fun. The Veto fee engine visits every coin every 10 minutes, on the clock (:00, :10, :20 and so on), and puts them to work.

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Each cycle, in order

1

Settle the veto window

If the coin has veto on and a 24-hour window just closed, the engine tallies the vetoes. The creator’s escrow is either paid to the creator or moved to buyback and burn. How vetoes work.
2

Claim

The engine checks the coin’s creator vaults on the bonding curve and on PumpSwap. If at least 0.01 SOL is waiting, it claims it into the coin’s fee vault. Smaller amounts wait for a later cycle, since claiming them would cost more than they’re worth.
3

Split

20% goes to the platform and buys back $VETO. The rest is added to the coin’s four pots in the proportions set at launch.
4

Draw the jackpot

If the jackpot pot has reached its draw size, one eligible holder is picked and paid the whole pot. Jackpots.
5

Buy back and burn

If the buyback pot holds at least 0.01 SOL, the engine buys the coin with all of it and burns exactly what it bought. Buyback and burn.
6

Pay holder rewards

If the rewards pot holds at least 0.005 SOL, it’s credited to holders by bag size. Anyone whose balance has reached the minimum payout is paid. Holder rewards.
7

Pay the creator

With veto off, the creator pot is paid out once it holds at least 0.005 SOL. With veto on, it stays in escrow until the window closes.

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Watch it happen

Every coin page shows its pots filling up and the countdown to the next cycle. Each payout lands in the coin’s activity feed and on live payouts, linked to its transaction.
The fee engine section of a coin page, showing each pot

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Thresholds

For coins paired with something other than SOL, thresholds are compared by value using live prices, and payouts happen in the pair asset. Pairing. Anything under a threshold stays in its pot and rolls into the next cycle. Nothing is lost.

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Who counts as a holder

Jackpots, rewards and veto tallies all use a snapshot of the coin’s holders taken during the cycle. These never count:
  • the bonding curve and the PumpSwap pool,
  • the coin’s own fee vault,
  • program-owned accounts (addresses that can’t sign, like pools and vaults of other protocols),
  • wallets the creator excluded at launch.
For jackpots and rewards, holders also need at least the coin’s minimum holding, which defaults to 100,000 tokens (0.01% of supply). Jackpots and rewards count each wallet at the lower of its balance in this cycle’s snapshot and in the previous cycle’s. A wallet has to hold through a full cycle to count, so buying just before a payout and selling right after earns nothing. A coin’s first cycle has no previous snapshot, so its pots wait one cycle.

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Reliability

Every transaction the engine sends is written to a journal before it goes out, along with what it changes. The change is applied only after the transaction confirms on chain. If the engine restarts mid-cycle, it checks each pending transaction’s status first, so a payout is never sent twice and never forgotten. Network fees for claims and payouts are paid by Veto, not by your coin’s pots.