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Web3 platform for premium watch raffles on the Solana blockchain

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WatchFun – a Web3 platform for raffling premium wristwatches, built on the Solana blockchain and powered by on-chain randomness. Users participate in raffles, invite friends, and earn rewards, while the winner selection process is fully transparent and verifiable directly on the blockchain, with no hidden algorithms or manipulation.
Two iPhones with the Makosh app: scanning a kit's QR code and the pattern loaded after the scan

Transparent Blockchain-Based Raffles

The platform eliminates distrust in traditional lotteries by providing provably fair raffles, transparent winning odds, 
and verified watch authenticity. Even non-winning participants receive bonuses and cashback for future entries.

Transparent Blockchain-Based Raffles

All watches are professionally authenticated. Winners can choose a physical watch or a crypto payout. The platform serves both premium watch collectors and the Web3 community that values transparency and fairness.
Cross-stitch flower chart shown half in color and half in black and white, with the Makosh editing toolbar
Makosh on an iPad: a cross-stitch chart with a grid, ruler lines and stitch markers

Scalable Admin Panel

We developed a scalable admin panel that allows full platform management without code changes:
  • Launch new raffles
  • Manage internal currency and marketplace
  • Configure business logic through the interface
  • Access detailed analytics across all metrics

Technologies

🖥 Platform
Desktop, Mobile
🔮 Frontend
Next.js, Effector, TypeScript
🔗 Blockchain
Solana, on-chain randomness, Privy
⚙️ Backend
Node.js, Express, TypeScript
🗃️ Database
MongoDB
Makosh app banner: App Store, Galaxy Store and AppGallery

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