A protocol with no view on who wins.

GOAL is a closed-loop tournament market. One token in, one token out. Every swap burns 5% of the inbound GOAL. There is no governance, no admin, no upgrade path. The protocol does not pick winners — it only enforces that every trade is final.

{SECTIONS.map((s, i) => ( {String(i+1).padStart(2,"0")} {s.label} ))}

GOAL is the only asset the protocol accepts. It is an ERC-20 with no mint function — the entire 960,000 supply is minted in the constructor. There is no team allocation, no vesting schedule, and no admin key. The protocol can issue more GOAL only in the literal sense that the operation is impossible.

The only force acting on supply is the burn hook. Once a token is destroyed it cannot be recreated. The curve is monotonic and one-directional.

The protocol operates in two strictly sequential phases per country. The pack window distributes initial supply at 6.9 GOAL/pack for up to 18,000 packs. The curve cannot trade while packs are still open. The phase boundary is enforced on-chain via activateCountry().

Each of the 192 curves is a virtual-reserve XYK with a hard asymptote. The price function is P = (VIRTUAL + reserve) / (A − S), where VIRTUAL = 20,000 seeds the initial price and A is the asymptote — 20,000 for country tokens, 1,500 / 500 / 2,500 for captain / best / rookie player tokens.

No K calibration needed — virtual reserve fixes the opening price at exactly the pack equivalent (6.9 GOAL/token at sealing). From there, price rises monotonically with supply and approaches infinity as S → A. The asymptote is mathematically unreachable. Most countries will stop somewhere between 18,000 and 19,000.

The 192 curves are not separate contracts. They are 192 pools registered against a single Uniswap V4 hook contract — GoalCurveHook. The hook owns the curve math, the burn logic, and the seal/calibrate state for every pool. Pool managers call into it on every swap.

The critical move: the burn lives inside the swap. When a user trades, beforeSwap extracts the 5% fee from the swap delta and immediately invokes GOAL.burn(). No router hop. No second transaction. No keeper. The deflation is atomic with the trade.

This is what V4 enables that V2/V3 could not. In earlier AMMs, a protocol fee had to be extracted by an external contract after the swap — usually accumulated in a treasury and burned in periodic batches. Here the fee never leaves the swap atom. The trade and the burn are the same event.

GoalCurveHook.sol solidity 0.8.24 · cyfrin / spearbit

{`function beforeSwap(
    address sender,
    PoolKey calldata key,
    IPoolManager.SwapParams calldata params,
    bytes calldata
) external override poolManagerOnly returns (
    bytes4, BeforeSwapDelta, uint24
) {
    PoolId id = key.toId();
    if (!_isOpen(id)) revert CurveSealed();

    uint256 amountIn = uint256(-params.amountSpecified);
    uint256 fee      = (amountIn * FEE_BPS) / 10_000;     // 5%

    // Atomic deflation. No treasury, no router round-trip.
    GOAL.burn(fee);
    emit Burned(id, fee, block.timestamp);

    BeforeSwapDelta delta = toBeforeSwapDelta(
        int128(int256(fee)),                              // take from input
        int128(0)
    );

    return (BaseHook.beforeSwap.selector, delta, 0);
}`}

Burn is the only deflationary force in the system. There is no buyback. There is no locked supply. Every trade across every one of the 192 curves contributes 5% of its inbound GOAL to the burn. Over time, the circulating supply monotonically decreases toward zero.

Player packs draw from a constrained pool of 150 captains, 50 best players, and 250 rookies per country. The role is selected on-chain via a single VRF word, with quotas decremented atomically in the callback. Tokens are not minted in the callback — they are minted on the user's claim() call, which prevents callback-based reentrancy and lets unfilled requests be safely retried.

End of mechanics

A protocol with no view on who wins.

Ready to open a pack?

{title}