STONKCRED

The rig

Idle

Speed: 0 H/s
Time to find: —
Guesses: —

Threads 4 of 8 Keep mining after a win

Mining is free. You pay only when you win a card.

Next card: —
Last mint: —
Your wallet: Not connected

Latest card

A card's design is picked right after it is mined, so nobody can choose it.

How it works, in six pictures

You can't buy a card. You mine it. Every new card pays everyone who has staked one.

1 · MineYour computer guesses

Press Start mining. Your computer guesses numbers, very fast. A guess whose hash starts with enough zeros is a find. Guessing is free.
2 · MintFirst find wins the card

Everyone races for the same card. The first find wins it and pays the mint price. Come second and you lose only a little gas. The design shows a moment later, so nobody can choose it.
3 · PayoutEvery mint pays out

Each mint price is split right away: 60% to staked cards as rent, 20% to the team and 20% to $STONK. Before card #400 the $STONK share is saved for the pool. After that it buys $STONK and burns it.
4 · StakeLock a card, earn ETH

Lock a card for 7, 14 or 30 days. It earns ETH from every new mint. Longer locks earn more: 1×, 2× or 4×. Claim any time. You can't unlock early. Stake your cards →
5 · BurnBurn a card, get $STONK

Burn a card and get 200 $STONK. Older cards give less: half for each epoch that has passed. Burning opens at card #400. Staked cards can't be burned. Burn a card →
6 · TokenOne way in, two fires out

$STONK starts at 1,000,000. New $STONK is made only by burning cards. Two things destroy it: after card #400, 20% of every mint buys $STONK and burns it, and every trade burns 1%. All the rules →

Live race

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Mine with your own software or GPU

Any tool is allowed. The puzzle is public, so your own miner works just like this page.

// 1. read the puzzle (state(yourAddress) returns all of it in one call)
challenge = challenge()            // bytes32, changes with every mint
target    = effectiveTarget()      // uint256, moves with recent mints and quiet time
price     = currentPrice()         // wei, 0 when sold out

// 2. search
digest = keccak256(abi.encodePacked(challenge, minerAddress, uint256 nonce))
//       32 bytes    +   20 bytes     +   32 bytes = 84 bytes, one keccak block
found when uint256(digest) < target

// 3. mint from minerAddress (the find only works for that address)
mine(nonce)  with value >= price   // extra ETH is refunded
// card #400 also opens the pool: gas limit >= GATE_GAS (1,000,000), send ~1,300,000

One card per block. Every mint changes the challenge, so a find only works until the next mint. Check state(you).challenge right before you send.
A late find reverts with InvalidSolution or OneMintPerBlock. You lose only gas, never the price.
The target moves. It adjusts every 8 cards to aim for one card per 10 s. Each recent mint doubles the work for a while (one step cools off per 10 s, 16 steps at most). Every 5 quiet minutes halve the work. The easiest level gets twice as hard each epoch.
Handy views: digestOf(miner, nonce) checks a find, currentStreak(), currentBaseTarget(), epochFloor(id). Errors: NotStarted, SoldOut, OneMintPerBlock, Underpaid(price), InvalidSolution, GateNeedsGas(gas).

Contract: not deployed yet on Robinhood Chain (chain id 4663). RPC .

How it works

4,000 cards, and none for sale. You get a card by solving the puzzle first and paying the mint price. Every mint pays rent to staked cards. Card #400 opens the $STONK pool.

Everyone races for one card

All miners work on the same puzzle: find a number (a nonce) that makes keccak256(challenge, your address, nonce) lower than the target. Every mint changes the puzzle, so everyone starts over. There is at most one card per block. Your address is part of the hash, so nobody can steal your find. If you lose a race you pay only gas, never the price.

The puzzle aims for one card every 10 seconds. It adjusts every 8 cards, at most 4× harder or 2× easier. Each recent mint doubles the work for a while. Every five quiet minutes halve it. The easiest level gets twice as hard each epoch.

Sealed until the next block

A new card is sealed: it has no tier and no design yet. Its design is picked with the hash of the next block, from the designs still left. That block does not exist when the miner sends the transaction, so nobody can see or choose the design. Not even the miner.

Robinhood Chain makes about ten blocks a second, so this page shows the design about 0.2 s after the mint. The next mint writes it on chain. When it is quiet, anyone can do that with reveal(). Until then, wallets and marketplaces show the card as sealed. The chain keeps block hashes for about 11 hours, so a reveal within that time still uses the block right after the mint.

Ten epochs

4,000 cards in 10 epochs of 400. The price goes up 0.002 ETH each epoch. A card burns for the most $STONK during its own epoch.

Epoch	Cards	Price	Least work	Burn value now

Where the mint price goes

60% rent to staked cardsShared among the cards staked at that moment. Longer locks get more. If nothing is staked, it goes to $STONK.

20% teamThe team also gets the pool's trading fee and a 5% royalty on resales.

20% $STONKSaved until card #400, then used to open the pool. After that it buys $STONK and burns it.

The pool

Card #400 opens the ETH/$STONK pool on Uniswap v4. The pool sells 950,000 $STONK from the opening price upward. The ETH saved from the first 400 mints sits below that price as buy orders. Nobody can remove the liquidity, and nobody else can add any. The trading fee goes to the team in ETH. It starts at 50% and drops to 2% over the first ten minutes, so sniping the launch does not pay. Every buy and sell also burns 1% of the $STONK traded. Sending $STONK between wallets is free, and buybacks pay no fee and no burn. Once the pool is open, any card can be burned for $STONK.

The deck

There are five tiers. Every card has its own design, and its stamps come from its winning hash, so no two cards look the same.

Questions

What do I need to start?

A browser wallet like MetaMask or Rabby, and a little ETH on Robinhood Chain for the mint price and gas. The page adds the network for you. Mining is free. You pay only when you mint.

Why did my find stop working?

Every mint changes the puzzle, so a find only works until someone mints. The puzzle also gets harder right after a mint and easier when it is quiet. The page checks your find before it opens your wallet, and drops it if it is too late.

What does losing a race cost?

Nothing while you search. If someone mints just before your transaction lands, yours fails and you pay only gas, which is tiny on Robinhood Chain. You never pay the mint price for a card you did not get.

Can I sell a staked card?

No. A staked card can't be sold, sent or burned until you unstake it, and you can't unlock early. Cancel any marketplace listing before you stake.

What happens when I burn a card?

The card is gone for good and you get $STONK: 200 for a new card, half for each epoch that has passed. The card must be 10 minutes old and not staked. Burning opens with the pool.

What does the team get?

20% of every mint, 50,000 $STONK at the start, the pool's trading fee in ETH and a 5% royalty on resales. The 1% trade burn goes to nobody. That $STONK is destroyed.

The rig

How it works, in six pictures

1 · MineYour computer guesses

2 · MintFirst find wins the card

3 · PayoutEvery mint pays out

4 · StakeLock a card, earn ETH

5 · BurnBurn a card, get $STONK

6 · TokenOne way in, two fires out

Live race

Cards

Staking

$STONK

Buyback

Burn a card for $STONK