Stadtstack / Loyalty
Sepolia preview · Test tokens and points only. No real-money payments. Sponsorship depends on this host’s transaction service and your account admission.
Collecting and spending points are paused. You can still open your account. Pilot status

Promotions

Create verifiable “Nth customer wins” promotions

Start with a passkey

Use a passkey to own your stores and approve customer enrollment.

Already joined? Restore a backup

The pilot’s transaction service is paused. You can prepare store details and view your stores. Creating stores and adding customers will resume when the operator enables the service. View pilot status

Verifiable Promotions

Eligibility checked on-chain

Create “Every 100th customer wins!” style promotions that are verified on-chain. Entry order is public. Each qualifying member can enter once per promotion; the configured budget and winner limit apply.

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Verified Eligibility

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Verifiable

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On-Chain

FHE Encryption

Promotion values are encrypted using Fully Homomorphic Encryption (FHE) via Zama. Participation order remains public and can be influenced by transaction ordering; this is a deterministic promotion, not a random draw.