Contracts

United Market runs on BNB Smart Chain mainnet. Deployed contract addresses are listed below.

United Market is now live on BNB Smart Chain mainnet. We just launched — start trading on-chain prediction markets today.

Property	Value
Chain ID	`56`

Contract	Address	Purpose
Exchange	`0x8db26793D99b2E9Ac53102de110Fe783F676D516`	Verifies signed orders and settles fills (EIP-712 verifying contract).
ConditionalTokens (CTF)	`0xff887259fC9C45D674C96f6B5a21240cE81749b7`	Gnosis Conditional Tokens contract for outcome positions.
Points (collateral)	`0xe67F5E9ad5697615521B5F0b13E65D8945b1A647`	Collateral token used for trading.
USDT (BSC-USD)	`0x55d398326f99059fF775485246999027B3197955`	Underlying token; deposit via the swap to mint Points.
AtomicSwap	`0xb0664761EfB20450A898B04293af0EbBb624E1cd`	Swaps USDT ↔ Points.

Example Market

Field	Value
Question	Will BTC be above 100k on 2026-12-31?
Question ID	`0xbea873d168ff5b0cb541a0e0c26a51fcecee3af220866955b2ce00ddc22cd4b7`
Condition ID	`0xd19487c4038d0dce2edeb510a21d6f8534e09d8065d40cb9e10ad2652d86a276`
YES Token	`9173991505859985195806122260131852520306883753774963004628888314748377483211`
NO Token	`113028290792214595901836923333497165802882917706964698595035992492738568962856`

Before trading, users must approve the exchange contract for the assets they want to trade:

Action	Required Approval
Buy outcome tokens	Approve the collateral ERC-20 for `CTFExchange`.
Sell outcome tokens	Call `setApprovalForAll(CTFExchange, true)` on the ConditionalTokens contract.

Use the exchange address as the EIP-712 verifying contract.