Proof Chain

Proof Chain revolutionises how local businesses reward loyal customers with cryptographically verified visits. FOR CUSTOMERS - Scan QR codes at participating businesses - Track your visit history across all locations - Earn rewards automatically as you reach milestones - View available rewards and claim them instantly - No account required - your data stays private on your device - Optional cloud backup to sync across devices FOR BUSINESS OWNERS - Create your business profile with a unique QR code - Set up custom loyalty reward tiers - Monitor customer visits with real-time analytics - Manage verification words to prevent fraud - Grant staff access to view daily verification words - Export visit data for your records HOW IT WORKS 1. Businesses display their QR code 2. Customers scan and enter the verification word (provided by staff) 3. Each visit is cryptographically signed and recorded 4. Customers earn rewards based on visit milestones SECURITY & PRIVACY Every visit is secured with HMAC-SHA256 cryptographic signatures, providing tamper-proof verification that customers actually visited your location. Customer data remains private - no tracking, no ads, no data selling. PRO SUBSCRIPTION Unlock advanced features for your business: - Staff Access - Let employees view verification words - Custom word rotation settings - Advanced analytics and insights - Priority support Download Proof Chain today and start building genuine customer loyalty!