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BURN / Base / Uniswap v4

every burn
feeds what remains

BURN is a Uniswap v4 token with a deflationary hook. Every sell triggers an on-chain burn of the sold supply. Total supply is 5,000. No minting. No inflation. No team allocation. When the pool empties, holders redeem tokens for proportional ETH.

sell
hook fires
dissolved
burned
Trade on Uniswap
how it works

the burn mechanic

The contract implements a Uniswap v4 afterSwap hook. On every sell (TOKEN → ETH), the hook reads the incoming token delta, calculates equivalent liquidity, removes it from the hook's own LP position, and calls burn() on the token contract.

The burned tokens are gone from total supply permanently. The ETH stays inside the pool — it is not extracted. Buys are unaffected. Only sells trigger burns.

01
Seller routes BURN → ETH through Uniswap v4
02
afterSwap hook fires, reads delta.amount1()
03
modifyLiquidity removes equivalent liquidity from hook position
04
Token contract calls burn() — supply permanently reduced
05
ETH stays in pool. Seller receives ETH as normal
the math

pool depletion curve

The pool uses a constant-product curve across a bounded tick range. As BURN is bought out, price rises non-linearly — each successive token costs more ETH than the last. To drain the pool entirely would require ~1039 ETH. The total ETH supply is ~117,761,635 ETH. That is 1031 times more ETH than exists. Not mathematically infinite. Just economically impossible.

end state

pool exhaustion
and redemption

Each buy removes BURN from the pool permanently. Each sell burns the returned BURN, further reducing pool supply. The pool's BURN balance is monotonically decreasing.

When the pool BURN balance reaches zero, a redeem() function opens. Holders call it to burn their BURN tokens in exchange for a proportional share of the ETH held in the pool contract.

Redemption amount = (userBalance / totalSupply) × poolETH

Pool BURN balance reaches zero
redeem() becomes callable by any token holder
%
ETH out = (balance / supply) × poolETH
Token supply burns to zero. ETH fully distributed
物哀    the pathos of things

every burn feeds what remains.

on impermanence and scarcity
on-chain

the numbers

5,000
genesis supply, entirely seeded into the pool at launch
on sell
supply burns atomically on every token sale, no exceptions
$10k
starting market cap. 1 ETH = 1,000 BURN at open
?
whether it reaches zero. that part is up to the people who trade it
View Contract on Basescan