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https://github.com/standardweb3/extra

Extra is a smart contract library for decentralized systems to manage credit or membership points with NFTs.
https://github.com/standardweb3/extra

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Extra is a smart contract library for decentralized systems to manage credit or membership points with NFTs.

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# Extra

Extra is a smart contract library for decentralized systems to manage credit or membership points with NFTs.

# Features
- Ownership hierarchy for shared usage of an NFT
- Modifier for an nft holder
- Aggregator for point accumulation

# Usage
- [Cashbacks on transactions of an decentralized commerce from an NFT](https://www.youtube.com/watch?v=_5sd9t1yW5E)
- [Debit that builds credit](https://www.youtube.com/watch?v=cb9Fwbi2cK4)
- [Family sharing benefit with nft on co-ownership](https://www.youtube.com/watch?v=EJQjd6CiO9s)