Exchange Model

Arenaton Exchange is a Polygon-only, non-custodial prediction market venue for sports, esports, and crypto markets.

Core Terms

Term	Meaning
Market	A tradable question with defined outcomes, close rules, resolution source, and invalid rules.
Outcome Share	A Conditional Tokens Framework position token that redeems according to the resolved outcome.
Collateral	Polygon USDC in production, or PaperUSDC on Amoy for Paper Trading.
Smart Account	The default user-controlled account that holds collateral and outcome shares.
Raw EOA Mode	Advanced direct trading from an externally owned account.

Production Constraints

• Production chain: Polygon PoS.
• Production collateral: Polygon USDC.
• Paper chain: Polygon Amoy.
• Paper collateral: Arenaton PaperUSDC.
• User app: Flutter only for web and Android.
• Matching: centralized order book using off-chain signed EIP-712 orders.
• Settlement: on-chain, without creating an internal Arenaton balance.

Market Lifecycle

DRAFT
SCHEDULED
OPEN_PRE_EVENT
OPEN_LIVE
CLOSING
CLOSED_PENDING_RESOLUTION
RESOLVED
INVALID

After a market closes, new orders are rejected and unmatched open orders are canceled or made unfillable. Resolution must follow the published source and invalid path.

Fees

• Protocol taker fee ceiling: 0.25%.
• Maker fee: 0% unless a future explicit product change says otherwise.
• Redemption fee: 0%.
• Gas reimbursement is separate from protocol fees.
• Gas markup is 0%.

Live Markets

Live markets include a Live State Version in orders. Material changes such as score updates, period or map changes, feed lag, official delay, or final result advance the version and invalidate stale orders.