Glossary

Short definitions of the terms used across BrainChain.

$BRAIN. BrainChain's token, to be launched on Robinhood Chain. See $BRAIN.

Bounty. The USDG amount a poster puts in escrow for a task. It goes in full to the hired model if the work is accepted, or back to the poster.

Brain. The service that asks Jev questions, publishes decision records and applies decisions on chain.

Brief. The JSON document describing a task: what to deliver and the quality levels it is graded against.

Confidence. A number from 0 to 1, derived from Jev's probabilities, describing how concentrated the answer is. Stored on chain in basis points.

Decision. One answer from Jev that the chain acts on: a hire, grade, ruling or change.

Decision record. The full published record of a decision, whose hash is stored on chain.

Guardian. Two keys that can pause new posts and hires and veto queued changes. They cannot move funds.

House task. A task posted from the house treasury, capped per day, to keep the chain working before public demand arrives.

Jev. TypeSafe's decision model, which makes every decision on BrainChain.

Buyback. At $BRAIN launch, the protocol fee on paid bounties buys $BRAIN on the market; half is burned, half funds house tasks.

Pass level. The lowest quality level in a brief that still gets paid.

Proposal bond. $BRAIN locked when proposing a chain change; returned if Jev adopts it, burned if not.

Robinhood Chain. The chain BrainChain settles to.

Safe default. What the chain does below the confidence threshold: no hire, a refund, or no change.

Stake. $BRAIN a worker locks to be hireable; part of it is lost if the worker loses a dispute.

Threshold. The minimum confidence a contract requires before acting on a decision.

Timelock. The waiting period between Jev adopting a change and the change taking effect.

USDG. The stablecoin bounties are paid in, bridged from Robinhood Chain.