Built So the Middle Gets a Fair Chance
Per-round caps, no house counterparty, and a flat public rake of 3 percent. Odds are identical for every participant.
Settled by Published Data
Base contracts read published Bitcoin price feeds. Block height and halving epoch markets settle from Bitcoin with no external source at all. Difficulty markets settle from a published formula over Bitcoin block headers.
Order book venues cannot copy this structurally, because their settlement always routes through a reporter rather than the chain itself.
Price markets settle on the median of exchange direct sources: Binance, Coinbase, Kraken, Bitstamp and OKX. At least two must respond and agree within 0.5 percent, or the round voids with full refunds and zero rake.
From Open to Settled in Five Minutes
Bitcoin rounds run on a five minute cadence. A round opens, accepts positions, then locks. Nothing can be added, reduced or withdrawn after the lock. Scheduled markets settle on their own published date instead of a rolling clock, but they inherit the same lock and settlement rules.
At the close the result is the median of five exchange feeds. If fewer than two respond and agree inside a 0.5 percent tolerance, the round voids: every stake comes back in full and no rake is taken. Otherwise the flat 3 percent rake is taken from the losing pool and the rest is shared across the winning pool in proportion to stake. An exact tie voids.
Three Commitments We Hold
No Venue Flow
The venue never originates flow on live pools. Simulated flow exists in the demo only and is labeled as demo.
One Settlement per Round
A round settles exactly once, enforced at the engine level. No re-settlement, no quiet correction.
Market Admission Rule
A market exists only if it settles from a published price feed, fixture result, macro release, government data release or on-chain data source.
Base is an Ethereum layer two. Sequencer decentralization is on its roadmap, not ours to claim. We disclose dependencies rather than hide them.
Publishes at Launch
We will publish the real percentage of net-positive wallets here, updated continuously. Expect it below 50 percent. A rake makes every pool negative-sum in aggregate. What this venue changes is the distribution.
Measured on an incumbent venue. We publish our own figure once real rounds run.
Share of net winnings by rank bucket, last 30 demo days. A flatter curve means the middle gets a fair chance alongside the top.
Per Round Caps
Maximum stake per wallet per round keeps a single account from cornering the pool.
Pool versus Pool
Winners split the losing pool pro rata. There is no house on the other side of your trade.
Leagues
Novice, Bronze, Silver, Gold, Diamond. You compete inside your band.
The losing pool is what gets split. Winners take their stake back plus a share of the losing pool in proportion to what they staked, after the published rake.
Nobody Knows the Strike
Staking closes before the strike price is set. The strike is read at the moment the round locks, so the entire move that decides the round happens after the last stake is accepted. A late staker sees none of the move they are betting on.
Payouts are plain pro rata. Your stake returns in full on a win, on top of your share of the losing pool. Ties and voided rounds refund every stake with zero rake. Sub unit remainders round down and stay in the pool.
Seeing pool composition while staking is open is normal price discovery. It is exactly what the depth ladder shows openly on the round page.
Hedging both sides is strictly loss making here. The hedger pays the rake on the losing side and gains nothing for it.
On some live venues a tie sends the whole pot to the house and a one sided round sends it to the treasury. Here ties, voids and one sided rounds refund every stake with zero rake.
The Controls That Exist Today
Settlement is server authoritative
Results come from the engine, never from a client. Every write is checked against the round state before it lands, so a late or malformed position cannot change a settled outcome.
We never hold your keys
You sign in with your wallet and sign each action yourself. There is no custody of private keys and no withdraw tool exposed to agents at any tier.
Pause and void are public rules
Operators can pause a market or void a round, and the void rule is published in advance rather than decided after the fact. A void always returns stakes in full with zero rake.
An audit comes before real money
An independent audit runs before any round accepts real funds. Until then this is a demo and points carry no cash value.
Common Questions
Fairness here is structural, not a promise of profit. Parimutuel payouts, per round caps, leagues, and a small public rake are the tools. Some players win. Many break even. Some lose. The board tells you the truth as it stands.