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Games & ChanceFull-stack engineer

Gruuvboxes

Mystery box dApp with a weighted spin-to-win prize wheel

Gruuvboxes mystery box interface with a prize wheel and reward tiers

Overview

A mystery box experience where a spin can return SOL, SPL tokens, physical merchandise, or nothing at all. Prize tables are weighted and configurable, and merchandise wins hand off to a fulfilment flow rather than dead-ending on screen.

What was built

  • Weighted prize tables that mix on-chain payouts with physical merchandise
  • Animated wheel synchronised to the settled result rather than the other way round
  • Fulfilment hand-off for physical wins, tracked against the spin record