Despite the growing appetite towards digital and high-tech entrance solutions, mechanical keys and locks remain the most popular market solutions due to their durability and affordability. Especially in residential settings, they're the most ubiquitous entrance methods and continue to record stable growth.
First known keys in history were wooden sticks used some 6,000 years ago in Ancient Egypt and Babylon. Today, following the astonishing technological developments and digitization, so many things can be a key. Devices such as a card, a smartphone, or body parts including fingerprints, voice, or eyes can authorize users to access an area.