Internet of Things: Reference Story KIWI.KI


The Deep Tech Field of Expertise in Internet of Things: Reference Story KIWI.KI


Keys? No one needs them now!

How often do you open your door each day? How often do you search for your keys? How often do you stand in front of the entrance to your house and can’t find your keys? How often do you have to rush home because you’re expecting a visitor and they haven’t got the keys to your flat? A Berlin company wants to put an end to all the hassle caused by keys. Their solution’s called KIWI and behind this fruity name there’s a sophisticated technology so easy to operate that really anybody can use it. KIWI makes worries over keys a thing of the past. The advantages for home-owners are obvious but the housing industry and service providers like garbage collectors and delivery services can also derive substantial benefits from the KIWI door access system.


How does KIWI function on your entrance doors?

A tiny transponder, the KIWI Ki, unlocks the door from a distance of up to three metres. The unique and really exciting feature is that KIWI Ki stays in your pocket or bag when opening the door so KIWI users have their hands free for what’s really important.
As an alternative to the KIWI Ki, doors fitted with KIWI can be opened with a KIWI App, also from a distance. Home owners and housing administrators can manage access authorisation for their entrance doors over the central KIWI portal.

How does KIWI function on your apartment doors?

The KIWI Smart Lock can be fitted in all non-electrified doors with freely accessible metal cylinders – in other words in nearly every type of door in a residential unit. The KIWI Ki for the KIWI Smart Lock features a button which is pushed to unlock the door. It’s a simple and straightforward action for users which eliminates the fuss of multiple keys. As an alternative, KIWI-fitted doors can also be unlocked by the KIWI App – also remotely, for instance, when unexpected visitors are standing in front of your door.

Who uses KIWI?

Everyone who regularly has to go through the doors of an apartment house benefits from KIWI. KIWI offers residents much more convenience just as it gives the housing industry and service providers like delivery services or garbage collectors a greater level of efficiency. And the solution is finding acceptance: to date KIWI.KI GmbH has integrated over 40,000 residential units in its infrastructure. Deutsche Post, the Berlin fire department and the waste disposal contractor Alba are already using the KIWI together with more than 300 housing associations. Which is hardly surprising because the solution really does simplify the work of homeowners and housing managers by eliminating the hand-over, return, and replacement of physical keys and all the administrative bother and risks this involves.

But is KIWI also safe?

KIWI was invented and developed based on three basic principles. Firstly, that it should be convenient for users; secondly, that it should be safer than standard metal keys and thirdly, that it should offer optimal data protection.

Even during its development cycle, the company founders repeatedly had the system tested by leading international encryption experts and white hat hackers. And now, four years on, the company is not only open to inspection by hackers but actually offers them a reward if they can discover a security gap. This form of collaboration takes place under the sole condition that no customer data is misused nor any server overloaded during and after the security check. KIWI even doubles the financial reward for information leading to exposure of security risks if the security experts donate it to a non-profit organisation. KIWI.KI GmbH adheres to the open source principle and regularly publishes all component parts relative to security and data protection. What’s more, all the servers KIWI uses are located in Germany.

KIWI works with a self-developed patent-pending encryption technology. Communication between the transponder, the KIWI Ki, and the KIWI door sensor is based on highly encrypted random numbers. These codes are generated anew for each communication so there’s no chance of copying the code by “eavesdropping” or “mirroring” to gain unwarranted access. This means that the KIWI is much safer than the standard metal key, accurate copies of which, unlike the KIWI, can even be made from a photograph.

KIWI is a product of the 21st century, a perfect blend of secure technology and ease of use. A product that doesn’t just fit into our everyday lives but belongs there.

Who invented it?

KIWI was the brainchild of Dr.-Ing. Claudia Nagel who back in 2007 found herself yet again standing in the November rain before the locked main entrance to her apartment house with a child on one arm and a bag of shopping on the other. It was then that she said to herself that in the 21st century there must be a simpler solution for getting into your house. A technology that would automatically and conveniently open the door when you approached it and finally replace the metal key after 4000 years of use. The idea of KIWI was born.

Her two co-founders Dr.-Ing. Christian Bogatu and Peter Dietrich were equally thrilled by her vision and in 2012 the three entrepreneurs set up KIWI.KI GmbH in Berlin. In September 2016 Karsten Nölling became the company CEO. On the business side, he’s supported by Claudia Nagel as Director of Operations, Technology and Finance, and Christian Bogatu as Director of Business Development. Peter Dietrich now supports KIWI in his capacity as a member of the advisory board.

Website KIWI.KI
Photo: © KIWI.KI GmbH


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