Luca app against Corona: How does it work and what do you have to pay attention to?

Luca app against Corona: How does it work and what do you have to pay attention to?

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Hanover.After months of Corona-Lockdown, Germany takes the first steps out of the crisis: The opening steps contained in the federal-state decisions enable various industries to gradually raise the business again.The gastronomy, an industry that has suffered from the loss of the forced break, will soon breathe up.From the 22.According to the decisions, March opens at least the outdoor catering in large parts of Germany, with a seven-day incidence of less than 50 even without an appointment booking.

But in times of pandemic, the cafés, bars and restaurants in the country have an important task for the health authorities: As last summer.The contact tracking is essential to understand infection chains.

Numerous cultural workers have set themselves the goal of facilitating this process-and developed the Luca app.Rapper Smudo is considered the face of the application, it was developed by the Berlin company Nexenio, a spin-off of the Hasso Plattner Institute in Potsdam.The app should serve as a supplement to the existing Corona Warn app of the Federal Government and help to put an end to the slip management after visiting restaurants and events.

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Android and iOS: What are the requirements when downloading the Luca app?

The Luca app is already available for both the Apple operating system iOS and Google Android.However, smartphone users need at least the Android version 5.0 or the iOS version 12.0 to download them.Once the application has been installed on the smartphone, it depends on the developer website from the relevant health office, whether it can also be used.Because the authority must be connected to the Luca system.

And even if you don't want to install an app, you can use the application: it can also be called up via the browser of the smartphone (Luca app.de).There, interested parties also have the opportunity to find out whether the app is in use in their region.

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Tracking in the Corona crisis: How does the Luca app work?

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Users of the Luca app write the name, address and telephone number in the restaurant or at events no longer on a piece of paper, but register digitally.You can get a virtual key on your smartphone via a QR code-log in with it.The data from the visitors are saved in a virtual box.The organizers have no access to this, but the respective health office on site is already.If a Corona case is reported via a TAN procedure, the system resolves who the infected person has had in contact with in the past 14 days, and informs the affected restaurants or organizers.After 14 days the data will be deleted.

Most of the work is done with the scan.Because a so-called geofencing detection ensures that those who leave a bar, a café, a restaurant or an event automatically check out-at least if they leave a predefined radius.

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The application also has opportunities for private meetings: Users have the option of creating QR codes in the app themselves and then linking to participating family members or friends.

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privacy trotz Corona-Kontaktverfolgung: Wie sicher ist die Luca-App?

Beim Thema privacy geben die Behörden bislang grünes Licht. Der privacybeauftragte des Landes Baden-Württemberg, Stefan Brink, erklärt nach rechtlicher und technischer Prüfung, dass die App „hohe privacystandards“ erfülle.The documentation of the contacts is encrypted and the user decides, "when and with whom he wants to share this sensitive data".On their website, the Luca developers promise that the contact details are stored independently of one another.The data to the guest, the host and the responsible health department are therefore only composed in the event of an infection.And even then, neither the organizer nor employees of the Luca app have access to personal data.

Doch es gibt auch Kritik: So erklärt die privacyaktivistin Lilith Wittmann gegenüber der Zeit, die zentrale Speicherung der Daten sei ein Problem.Unlike the Federal Government's Corona Warn app, the source code cannot be viewed publicly in the case of Luca."In connection with non -transparent financing structures and business models, I would advise against the app," said Wittmann.

How do the Corona Warn app and the Luca app differ?

The Federal Government's Corona Warn app and the Luca app already differ in the basic concept: the Corona Warn app is passive and automatically records contacts-but only if other people have also installed the tool nearby.Luca, on the other hand, works actively, which means that users have to open and log in when you visit events or gastronomy.The encryption and consent to disclose the data is also a plus for data protection officers.In addition, the so-called baking tracing function, which the questions "Where did someone have been when?" And "Who met whom and when?"isolate.Infection clusters are also visible.

Während die einen das als privacyproblem sehen, argumentieren andere, Papierlisten seien unsicherer.After all, digitally fewer people would have the opportunity to view the information.

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Smudo selbst sah die Anwendung im November bei „Maischberger“ weniger als Ersatz für die Corona-Warn-App der Federal government, sondern vielmehr als eine Ergänzung.It remains to be seen whether the digital connection of the Luca app to the health authorities also works nationwide.

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Unlike at the Corona app, you log into the various locations via QR codes. Der privacy sei gewährleistet, so die Entwickler.© Reuters

The tracking system in Germany has only worked moderately well in recent months.Often there were "Donald Duck" or "Micky Maus" at the guest table, at least they had entered the guest list with these names.Many innkeepers accepted this wrong data because they were not legally responsible for the information from the guests and were not allowed to check the personal details.Only the regulatory office and the police have this right.