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Frequently asked questions

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  • GETTING STARTED GUIDE
    Congratulations, you have received your KEYMO®! Here are the 4 steps to start stamping your PDFs on your PC, smartphone and tablet 1. Insert the battery into the KEYMO® as indicated on the leaflet included in the box 2. Download the KEYMO® app on https://bystamp.com/en/appli-keymo-en/Featured
  • KEYMO® APP SUBMENUS
    Lean about each function of the KEYMO® submenus « Activate » allows you to create your stamp and signature • Option 1 : Create an account • Option 2 : You already have an accountFeatured
  • TROUBLESHOOTING GUIDE
    Featured
  • How does the electronic stamp KEYMO® work?
    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 download 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, gPopular
  • How much does a KEYMO® signature cost?
    After purchasing your KEYMO®, there is nothing left to pay: No subscription or pack purchase. You can sign without limit with your KEYMO®, at no extra cost. This is made possible by the fact that the signing process is decentralized in the KEYMO®, unlike other solutions that require access to a signature server. This is where KEYMO®’s major innovation lies and makes it unique.Popular
  • Is it possible to sign on the postman's device when receiving a package?
    We are striving to build relations with carriers so that their terminal (PDAs often) can become compatible with our KEYMO®. If you have an integration project in the transportation sector, do not hesitate to contact us.Popular
  • Can I own several KEYMO®?
    Yes of course! You can have a KEYMO® as an individual and another as a department manager. Example: A KEYMO® will sign as “John PAUL” A second KEYMO® will sign as “John PAUL – Financial Manager” A KEYMO® can also be assigned to a whole department. Example: A KEYMO® will sign for a department, for instance: “Legal Department”Few readers
  • My computer doesn't have Bluetooth functionality. Do I need the Bluetooth USB dongle?
    If your computer does not have Bluetooth functionality, you will need the Bluetooth USD dongle. It is an adapter that allows you to have a Bluetooth connection on your computer. Simply plug it into a USB port on your computer.Few readers
  • Is it possible to sign on the mobile phone of a person who has not installed the KEYMO app?
    No, KEYMO® app is required for communication between the KEYMO® stamp and the device. As a reminder, the app is free and available on Windows, Mac, iOS and Android.Few readers
  • How do I add and activate the KEYMO® certificate in Adobe?
    If you would like to have the KEYMO® signature recognized on non-KEYMO® PDF readers, please download the KEYMO® certificate by clicking on the download link below and follow the certificate installation procedure shown in the video below (click on the second link). Link to download the certificate Link for the video:Few readers
  • How many signatures/stamps can I do with my KEYMO®?
    The number of signatures and stamps affixed with the KEYMO® stamp on the device screen is unlimited.Few readers
  • How to contact us?
    If you have any questions or require assistance, please feel free to contact us through our live chat (in the lower right of the screen). We will get back to you as soon as possible.Few readers
  • How do I solve Internet connection problems in the KEYMO® application on Windows?
    Some features of the KEYMO® application require an Internet connection to access the BYSTAMP server. Example of an error message displayed by the KEYMO® application: Therefore, you need to make sure that your computer has access to the following URL https://ws.bystamp.net (port 443). You can contact your network administrator/IT department or follow the procedure below to add an outbound rule to youFew readers
  • Can I reset a KEYMO® in case of user change?
    Yes, you can reset a KEYMO® to create a new stamp/signature/PIN code profile that replaces the previous one. Simply click on « Factory reset » to reset the KEYMO®, then « Activate ».Few readers
  • Does an electronic signature with KEYMO® have legal value?
    KEYMO® stamp applies the electronic signature procedure according to the terms of the European eIDAS regulation and therefore of a standard and robust asymmetric cryptography. By nature, this electronic signature is recognized and enforceable before the courts.Few readers
  • Is KEYMO® compatible with tendering platforms?
    Our signature is receivable to respond to calls for tender (for public procurement for example) by loading in the KEYMO® a certificate (type ECC P-256) acquired from a trusted third-party supplier (Entrust, GlobalSign, Certinomis, etc.). However, some bidding issuers may have stringent requirements.Few readers
  • What types of documents can be signed with KEYMO®?
    KEYMO® allows you to sign all your documents in PDF format from a smartphone, tablet or computer (PC and Mac). Examples: quotes, purchase orders, commercial contracts, reports, diplomas, certifications, delivery orders, invoices, accounting and financial documents, minutes…Few readers
  • What happens with my personal data?
    Your personal data is only used for the proper functioning of the application. It is not transmitted to any third party. It is not used for commercial prospecting purposes. For more details, please refer to paragraph 4 – Personal data on the Legal Notices page. Your digital identity (stamp and personal signature) is stored only locally in the KEYMO® (and not on a public remote server) in the secure element of your stamp. The latter is the mostFew readers
  • How is the security of KEYMO® ensured?
    Our stamp has a Secure Element (SE) and a cryptographic library certified CC EAL5+, the same secure electronic component found in smart cards (bank, identity, SIM). Moreover, by default your KEYMO® is protected from misuse by an individual PIN code, selected by you. Therefore, it cannot be used by a third party.Few readers
  • I want to change the stamp and/or signature, add the company logo to my signature
    To modify a profile or create a new one (logo/signature/PIN code), simply click on the « KEYMO/Factory reset » tab, which will launch the reset procedure.Few readers
  • What operating systems (OS) are compatible with our KEYMO® app?
    KEYMO® runs on: Windows 10 and 11 MacOS 13 (Ventura) and higher iOS AndroidFew readers
  • In the event of loss or theft, can my KEYMO® be used by another person?
    By default, your KEYMO® is protected from misuse by an individual PIN code, selected by you. Therefore, it cannot be used by a third party.Few readers
  • Why don't my signatures show up in another PDF viewer application on my Android smartphone?
    Some Android PDF viewer applications may not display signatures made with a KEYMO®. Our signatures comply with current standards for electronic signatures on PDF documents, which may not be the case for the application you are using. If necessary, you can install the Adobe Acrobat application to verify that the signatures are present in the document.Few readers
  • Does KEYMO® interface with Adobe PDF?
    Our free KEYMO® app allows you to read PDFs and affix a stamp and signature. The Adobe PDF software has not yet integrated our KEYMO® stamp as a way to sign but we are working on it. However, it can read PDFs signed with your KEYMO®.Few readers
  • Where are the signed documents stored?
    Signed documents are stored on your computer/mobile/tablet or on your server. At no time does your document transit through the Internet.Few readers
  • I have issues with Bluetooth
    Error codes: 2148532225 / 2148532227 / 2148532229 / 2148532260 / 2148532261 / 2148532262 / 2148532265 Steps to follow on Windows: Case 1: PC Bluetooth Check that Bluetooth is enabled (in Settings Devices Bluetooth) Restart Bluetooth and see if this fixes the issue Check that your PC is up to date, then check that the Bluetooth connection is working properly by trying to connect a Bluetooth device (keyboard, mouse, headset, etc.). If step 3 works, try to scan thFew readers
  • I forgot my KEYMO® PIN code
    If you forgot your PIN code, you must reset your KEYMO® by clicking on the menu « KEYMO/Factory Reset » then « Activate » and choose « You already have an account »Few readers
  • How do I always open PDF documents with the KEYMO® application on Windows?
    If you want your PDF documents to open by default with the KEYMO® application, you need to set the default application for files with a ".pdf" extension. 1) From File Explorer Open File Explorer Go to a directory containing a PDF file Right-click on the file and select « Properties » 4. Click on the « Change… » button to the right of « Open with : » (https://storage.crisFew readers
  • How to dowload the KEYMO® app?
    You can download our KEYMO® app for free from: • Our website www.bystamp.com • Apple store if your smartphone/tablet is an Apple • Play store if your smartphone/tablet uses AndroidFew readers
  • How is the electronic stamp KEYMO® powered?
    KEYMO® runs on an AAA or LR03 battery. This battery is very easily interchangeable by pulling the case through both ends. As your KEYMO® consumes very little energy, it can last several years.Few readers
  • How long is my KEYMO® covered by the guarantee?
    KEYMO® is guaranteed for 2 years from the date of purchase.Few readers
  • Can the KEYMO® stamp contain multiple signatures?
    The KEYMO® stamp contains only one identity, secured by the PIN code you choose. However, it allows you to authenticate an individual, a department or an entity. Examples: John SMITH Quality Manager MY COMPANY Ltd. Purchasing Department MY COMPANY Ltd. MY COMPANY Ltd. (https://storage.crisp.chat/users/helFew readers
  • I forgot my password
    Click on « KEYMO/Factory Reset » then « Activate » and choose « You already have an account ». Click on « Forgot your password? » (https://storage.crisp.chat/users/helpdesk/website/de86eea647f98800/image1slc2w6.Few readers

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