Your KEYMO® uses Bluetooth and optical technologies to pair and authenticate automatically and transmit the electronic signature on your document.
This service was patented worldwide and awarded by several organizations including CES Las Vegas.

Simply install the KEYMO® PC app in seconds from our website www.bystamp.com or download the KEYMO® mobile apps from the App store (Apple) or the Playstore (Android).
KEYMO® allows you to open, edit, group your PDFs and of course, sign them in accordance with the European eIDAS protocol.

This application is free, without subscription and without limit of use.
It will be available from early December.
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