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README.md

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 - [VerusID](https://verus.io/verusid) - VerusID is for self-sovereign individuals, and conscious organizations that value their data ([GitHub](https://github.com/VerusCoin)) 
 - [Findora CR](https://findora.org/findora-cr/) - Enabling ZK Identity Management & CRedentials for Web3 ([GitHub](https://github.com/findoranetwork))
 - [Iden3](https://iden3.io) - The open-source protocol at the basis of Polygon ID. The protocol defines on a low-level how the parties listed above communicate and interact with each other. Polygon ID is an abstraction layer to enable developers to build applications leveraging the Iden3 protocol ([GitHub](https://github.com/iden3)) 
+- [Holonym](https://www.holonym.id) - Your ZK Passport for Web3. A holistic identity that lets you prove facts about yourself without revealing who you are ✨️**ZK** ([GitHub](https://github.com/opscientia))
 
 ## DAO
 - [AnyDAO](https://www.anydao.app) - Vote aggregation across different blockchain networks with adjustable privacy settings which controls the visibility of the voting [Docs](https://docs.ata.network/anydao/introduction/)