Name

nico - autonomous buyback-and-burn crank for a pump.fun coin

Synopsis

claim | buy | burn | repeat

Description

nico is an autonomous crank. every cycle:

collect_creator_fee     creator vault    ->   vault              (permissionless)
buyback                 vault sol        ->   the same mint      (cranker signed)
settle                  bought tokens    ->   burn + treasury    (permissionless)

the burn share is a dial, 0 to 100 percent, set by the authority key. there is no withdraw instruction. vault sol can only leave through a buyback.

the crank's fee wallet is topped up by hand. if it empties, cycles stop.

Authority

the authority key can still pause the program, set the burn share, set a reserve floor, and rotate the treasury, the cranker, and itself. the program keeps an upgrade authority.

this is not immutable. not trustless. not audited. not verified. it is a live administrative key, and this page will not pretend otherwise.

Failure modes

• the crank can read a fee account pump.fun never pays into, and log zero pending next to a real claimable balance.
• claiming and buying together can exceed the transaction size limit on a fee-sharing coin, so the claim runs as its own transaction.
• a buy can revert on slippage if the pre-slippage amount is quoted instead of the spendable ceiling.
• the fee wallet is topped up by hand. it has no refill path, and an empty wallet stops cycles without an error.
• a countdown anchored to page load drifts from the chain. this one anchors to the last real cycle instead.

History

this program source ran once before, under a different name, on real money. it registered at 2026-08-29 16:19 UTC, ran 55 buyback-and-burn cycles over 6h 27m 43s, and burned 27,410,793.80 tokens before its authority set the burn share to zero and closed the program. a closed program id cannot be redeployed, so nico runs the same source fresh, under its own program id, reserved as nico…vnhS, not deployed yet.

See also

README(nico), LAUNCH(nico), solscan.io(1)