This incident has been resolved.

We are continuing to work on a fix for this issue.

Our platforms have regained functionalities and users are now able to do key exchanges tentatively. Degraded performance is still seen in our mobile application.

Keycafe is experiencing a major platform outage due to the Amazon Web services outage.
Amazon Web Services (AWS) is a subsidiary of Amazon that provides on-demand cloud computing platforms to individuals, companies, and governments.
This outage has affected our Smart Boxes as well as the performance of our website and app. We are monitoring the situation.