Ownership
- Darwin controls seller price, AI usage, and the 0–18% Network fee.
- The application controls its Application fee or subsidy.
- The customer approves an estimated total and maximum authorization.
- Matching and ranking never use an Application fee or subsidy.
Fixed and capped-percentage Application-fee policies, immutable transaction snapshots, settlement, and proportional reversals are available today. Fee-earnings withdrawal and automatic payout scheduling remain preview.