Challenges

A challenge is an escrowed evaluation. A backer publishes a plan with its pricing and terms, a trader buys it, and the backer’s share of the payment stays locked in ChallengeVault until the challenge ends. Passing does not fund by itself: opening a funded account requires an on-chain promotion. Account size, drawdown and profit split are pinned at purchase; the funded account’s profit target is selected at promotion.

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What the contracts record

The contracts record the payment, its lock and the final outcome.

• Publishing. A backer must hold MainVault shares and meet minBuilderStake6 if that minimum is set. The plan defines allocation, drawdown, profit split, evaluation terms and pricing parameters. It cannot be edited once published, only disabled. There is no separate registration or approval.
• Purchase. The backer must still meet the share requirement when the trader buys. The USDC price is calculated from the plan and current factory configuration. Protocol and referral cuts are taken at checkout, and the backer’s net is locked against that challenge. The sale funds its own refund lock; no separate deposit is needed for that lock.
• Expiry. A challenge runs 30 days from purchase. After that, anyone can expire it.
• Outcome. Before the 30-day deadline, the backer can promote, reject or refund a live challenge. The trader can forfeit while the challenge has no terminal outcome. Each outcome settles the lock and is final.

A promotion is atomic: the lock is released, MainVault collects B + P, and the funded account exists with its buffer, or the whole transaction reverts. Any remaining available balance stays with the backer. Unused buffer from that account returns to the backer’s balance in ChallengeVault when it closes.

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What is not on-chain

The trading. The evaluation runs off-chain, on a simulated account that is opened from the on-chain purchase and marked against a live price feed. The account uses the trailing and daily floors described in Funded Account Rules, and the plan sets the evaluation target, one step or two, and whether profitable days are required. Reaching the target does not pass the challenge by itself. The chain does not receive the exam equity or record a pass or fail; promotion requires the backer’s decision, or a call by the vault owner. Anyone can verify that the payment was locked and where the money went, but the chain data alone does not establish whether the trader met the evaluation rules.

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What we are building

A challenge type whose result can be verified on-chain, so that promotion can follow from a verifiable record. The intended benefit is independent verification of whether the evaluation rules were met. That verification is not part of the current challenge contracts.

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Without an evaluation

A funded account can also be opened without an exam through a finance listing on the same vault. A trader seeking a backer, or a backer seeking a trader, posts pinned terms and optional escrow. A counterparty fills it by paying any shortfall against the current B + P; excess escrow returns to the creator. The fill opens the funded account in the same transaction. Unused buffer belongs to the named backer, regardless of who supplied the escrow. A creator can have one open listing at a time. A listing lives three days, and the creator cannot fill their own. The creator can cancel it; after expiry anyone can return its escrow to the creator.

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