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NFT Wizardry

NFT integration and community rewards of a card gaming app. Card NFT gift for first-time users, incorporating a sybil-resistant login mechanism with Sismo. No-fee NFT minting on ImmutableX.

NFT Wizardry

Created At

ETHGlobal Paris

Project Description

This project is a low-cost card gaming application built on Immutable X, providing a very affordable gaming experience. The use of Immutable X is strategic, as it allows for free NFT minting. Consider a card game where each player uses 100 cards - if a single NFT were to cost 20 cents, each player would end up paying $20 just for the cards. Our solution drastically reduces these costs, providing a more accessible gaming experience. While our game app offers a free NFT per user, to avoid sybil attack we are utilizing Sismo's social login feature to mitigate this risk. It also verifies users by means of well known SNS, giving other players peace of mind knowing that other players on the platform are SNS-verified users.

How it's Made

This project is a card gaming app and it operates on Immutable X, a Layer-2 solution, to ensure no transaction costs and a great UX. It mints a free NFT to every new user and for this we use Sismo's social login verification system, twitter log in, to ensure the free minting feature is sybil-resistant. To ensure that there is no double-minting of free NFTs by any single user, Sismo's VaultID will be stored in memory and the vault ID of an incoming user will be checked against an array of Vault IDs.

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