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Sui Move loot box smart contract with verifiable on-chain randomness. Implements NFT minting with rarity tiers, full item lifecycle, event emission, and bonus pity system. Deployed on Sui testnet for Alkimi Hackathon.

PokeCatch (Live Demo: https://pokecatch.vercel.app/) is a Web3 gaming dApp built on Sui that brings the nostalgia of catching Pokémon to the blockchain. We built a secure, verifiable loot box system where players spend tokens to throw "Pokéballs" and mint dynamically generated Pokémon NFTs.

By leveraging Sui's native sui::random module, we guarantee cryptographically secure and fair drop rates across four distinct rarity tiers (Common to Legendary). The project fully utilizes the Sui object model with shared configurations and owned NFT assets. Players can manage their Pokémon in their personal "PC Box", transfer them to friends, or release them back into the wild by burning the NFT. We also implemented a dynamic "pity system" that guarantees a Legendary catch after 30 unsuccessful attempts, ensuring a rewarding player experience.