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Safety

No. Any wallet can buy or sell any coin, with no minimum and no lock-up.
No. Every pool keeps its money for good, every coin’s whole supply goes into its pool at launch, and the contracts hold all of it with no key that can move any of it. The fee, the shares, the price curve, the timings and every round’s result are fixed in the code.

The team’s allocation is explicitly stated and locked, provably, on-chain to only the disclosed addresses.The team’s rights are limited to the steward role. This role can announce a sunset, which hands new rounds to a successor version on a one-hour public delay while every pool and balance stays where it is. This role is in place to enable protocol upgrades and critical bug fixes in the future.
Yes. Certora proved 70 rules across the round manager, the hook and the fee vault, and every finding raised during verification was fixed before deployment. The V12 automated audit’s 8 findings were all fixed, and the code has had 12 independent reviews. See Audits.

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Rounds

The chain waits. A round opens when someone enters a coin, and existing coins keep trading as normal.
A coin that loses its round keeps its own pool and trades forever. Its creator keeps the creator share, the part of each fee paid to a coin’s creator, on its trades. The chain share, the part of each fee locked into the chain, goes to the coins that won their rounds.
Every round has a public planned end. The real end is a random moment shortly before it, drawn from a public source of random numbers and checked on-chain. Only trades made before the planned end count. See Rounds.
It depends on the round number. Early rounds are short, and rounds grow longer as the chain grows, up to a fixed cap. Rounds has the exact schedule.
Late entry is open only on longer rounds, in the first third of trading. A late entrant’s pool opens when it registers, and its snipe tax starts at that moment.Late entrants are scored exactly like everyone else. The winner is the coin whose pool holds the most of the head coin, the newest coin in the chain, on average over the closing window. A late entrant will have less time to build community support and become a winner.Once registration and late entry have both closed, the round is shut to new coins. A registration sent after that fails. The next coin entered after the round ends opens the following round.
No. Creating a coin costs only gas.
Your coin gets a numbered spot in the chain, immutably written on-chain. While it is the head coin, the next round’s candidate coins are priced in it. It also earns a part of the chain share on every coin launched after it, placed as buy liquidity in its pool. See The chain.

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Launching a coin

Every coin opens at a market cap set in ETH terms, using $DOLL’s averaged ETH price, so a coin does not get smaller and easier to sweep just because it sits deep in the chain. See Tokenomics.
Coins keep launching. If the averaged price feed is ever unavailable, a coin opens on the dear side by default, so buyers are never handed a coin priced too cheap by a missing feed.
No. Creating a coin costs only gas.

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Trading and fees

You can pay in ETH, and one transaction changes it to $DOLL and buys the coin you picked. If you already hold $DOLL, you can pay in $DOLL directly.
Your wallet holds only the coin you bought. The app does the steps in between inside one transaction: your $DOLL becomes #1, then #2, and so on, in a single click.
Buy liquidity benefits long-term holders. Buy liquidity is placed just under the price and waits there. It spends money when the price comes down to it, reducing the effect of sell pressure and dips. It is placed against the recent price, so it stays anchored to where the coin has been trading, and builds steady support.

Buy liquidity is single-sided, so it preserves the ability to create dynamic upwards price action, while reducing volatility on the downside.A burn and/or buyback are a one-time catalyst that flippers sell into. Buy liquidity keeps working: while you hold, every trade by anyone adds more buy support beneath your position, and the coins it buys stay locked in the pool for good. See The flywheel.
The part of the chain share that goes to earlier coins is split by position in a U shape: the newest links and the oldest coins get the most, and the coins in the middle get the least.On the front end, the newest coins are rewarded so that creating and launching a coin is worth it, and so a new coin gets the support it needs to get off the ground and build its culture and community. On the back end, legacy coins keep receiving support for as long as the chain trades. In the middle, a coin is rewarded for keeping its community together and backing new Dollhouse launches: every launch after it moves it further up the earlier side of the U, and its share of future fees grows with it. The exact weights are in The numbers.
The snipe tax is a charge on buying and selling in a new pool during its first 3 seconds. It starts at 99% and drops by about a third each second. In practice it is about 99%, then 66%, then 34%, then zero. In a new link-one pool it takes the place of the 1% fee.The snipe tax is kept in the pool’s parent coin and placed as buy liquidity back in the chain, like the small pool fee. Set a minimum amount received when you trade at a pool’s open.
Sells pay the same 1% fee as buys, and you can sell at any time.
Not on an ordinary DEX pool: v2, v3 and hookless v4 pools refuse it. The coin’s own Dollhouse pool is where it trades and where the fee is collected. Trade on dollhouse.markets, or through any router that uses the coin’s own pool. Sending coins between wallets is free. See Tokenomics.
There is no transfer tax. Ordinary DEX pools (v2, v3 and hookless v4) refuse a Dollhouse coin, and some scanners report a refused test trade as a tax. A scanner that tests the coin’s own pool, where it trades and where the fee is collected, shows none, and wallet-to-wallet transfers are free.
Yes, for free. The fields are optional, and you can set or change them any time after launch from your coin’s page, by signing with the wallet that created the coin. You can hand editing rights to another wallet. For a community takeover of an abandoned coin, the Dollhouse account on X can reassign editing rights on request.