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README.md

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-CovidCertificate-App-Verifier-Service
+# CovidCertificate-App-Verifier-Service
+
+[![License: MPL 2.0](https://img.shields.io/badge/License-MPL%202.0-brightgreen.svg)](https://github.com/admin-ch/CovidCertificate-App-Verifier-Service/blob/main/LICENSE)
+
+This project is released by the the [Federal Office of Information Technology, Systems and Telecommunication FOITT](https://www.bit.admin.ch/)
+on behalf of the [Federal Office of Public Health FOPH](https://www.bag.admin.ch/).
+The app design, UX and implementation was done by [Ubique](https://www.ubique.ch?app=github).
+
+## Services
+
+TODO write a few words, like in https://github.com/admin-ch/CovidCertificate-App-Config-Service/blob/main/README.md
+
+## Contribution Guide
+
+This project is truly open-source and we welcome any feedback on the code regarding both the implementation and security aspects.
+
+Bugs or potential problems should be reported using Github issues.
+We welcome all pull requests that improve the quality of the source code.
+Please note that the app will be available with approved translations in English, German, French, Italian.
+
+## Repositories
+
+* Android App: [CovidCertificate-App-Android](https://github.com/admin-ch/CovidCertificate-App-Android)
+* Android SDK: [CovidCertificate-SDK-Android](https://github.com/admin-ch/CovidCertificate-SDK-Android)
+* iOS App: [CovidCertificate-App-iOS](https://github.com/admin-ch/CovidCertificate-App-iOS)
+* iOS SDK: [CovidCertificate-SDK-iOS](https://github.com/admin-ch/CovidCertificate-SDK-iOS)
+* Config Service: [CovidCertificate-App-Config-Service](https://github.com/admin-ch/CovidCertificate-App-Config-Service)
+* Verifier Service: [CovidCertificate-App-Verifier-Service](https://github.com/admin-ch/CovidCertificate-App-Verifier-Service)
+
+## License
+
+This project is licensed under the terms of the MPL 2 license. See the [LICENSE](LICENSE) file for details.