Mystery Delivery
One play, one prize from a published prize table. Redeem the prize at face value, or take the buyback offer instead. This build simulates the whole flow end to end — so the real version has nothing left to invent.
- Play price
- $10.00
- Prizes
- $5.00–$500.00
- Expected return
- 72.25%
Demo only — no payment, prize, or payout is real.
How a play works
1 · Start a play
Pick a Mystery Delivery. The play payment is simulated on-device — no card, no charge, no account.
2 · Request randomness
The play asks a randomness provider for one result. This build uses a deterministic demo provider so runs are repeatable.
3 · Prize table picks the award
The result maps onto a published prize table. Every tier’s odds, face value, and buyback offer are shown up front.
4 · Reveal
The award is revealed in full: the prize, its face value, and the exact buyback offer for it.
5 · Redeem or Buyback
Redeem the prize at face value, or take the buyback offer. Exactly one of the two, chosen by you, then locked.
Prize table
demo-prize-table · v1| Prize | Odds | Buyback |
|---|---|---|
| $5.00$5 Meal Credit | 89.0% | $4.63 |
| $10.00$10 Delivery Credit | 7.5% | $9.25 |
| $25.00$25 Delivery Credit | 2.5% | $23.13 |
| $100.00$100 Everyday Gift | 0.9% | $92.50 |
| $500.00$500 Premium Reward | 0.1% | $462.50 |
- Play price
- $10.00
- Expected award
- $7.225
- Expected return
- 72.25%
Every play receives a prize from this table. Odds are fixed weights published here; the buyback rate is 92.5% of face value.
Verification (not yet)
Verifiable randomness and prize delivery are planned for a later phase. This play used a deterministic demo provider, so there is no cryptographic proof to show — and nothing pretending to be one.
This build derives every result from the deterministic-demo-v1 provider and maps it onto prize table demo-prize-table v1. Because it is deterministic, one play id always produces the same award — which is precisely why it must never be used for real stakes.
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