Survey options Load unfinished survey Resume later default Caution: JavaScript execution is disabled in your browser or for this website. You may not be able to answer all questions in this survey. Please, verify your browser parameters. System Usability of Decentralized Messaging Applications Hi! I'm Marion - a cyber security engineering bachelor's student writing my thesis about decentralized messaging applications. A part of my work concerns itself with the usability of these user-facing clients. I would greatly appreciate it if you could share your experiences with whichever client you may have happened to have used. Filling out this form should take between 2-4 minutes. The questions in this survey are based on the System Usability Scale developed by John Brooke. This survey is anonymous. The record of your survey responses does not contain any identifying information about you, unless a specific survey question explicitly asked for it. If you used an identifying access code to access this survey, please rest assured that this code will not be stored together with your responses. It is managed in a separate database and will only be updated to indicate whether you did (or did not) complete this survey. There is no way of matching identification access codes with survey responses. Survey What decentralized messaging application (client) do you use? If you use multiple, feel free to fill out this survey multiple times We make no distinctions for different platforms for the same client Choose one of the following answers Please choose... Bchat Berty Briar Cwtch Delta Chat Dino (XMPP) Element (Matrix) Jami Ricochet Refresh Secretum Session Simplex Chat Status Tox Other: Other: Please state your level of agreement or disagreement with the following statements based on your experience with the application you chose above Strongly Disagree 1 2 3 4 Strongly Agree 5 I think that I would like to use this system frequently. Strongly Disagree 1 2 3 4 Strongly Agree 5 I found the system unnecessarily complex. Strongly Disagree 1 2 3 4 Strongly Agree 5 I thought the system was easy to use. Strongly Disagree 1 2 3 4 Strongly Agree 5 I think that I would need the support of a technical person to be able to use this system. Strongly Disagree 1 2 3 4 Strongly Agree 5 I found the various functions in this system were well integrated. Strongly Disagree 1 2 3 4 Strongly Agree 5 I thought there was too much inconsistency in this system. Strongly Disagree 1 2 3 4 Strongly Agree 5 I would imagine that most people would learn to use this system very quickly. Strongly Disagree 1 2 3 4 Strongly Agree 5 I found the system very cumbersome to use. Strongly Disagree 1 2 3 4 Strongly Agree 5 I felt very confident using the system. Strongly Disagree 1 2 3 4 Strongly Agree 5 I needed to learn a lot of things before I could get going with this system. Strongly Disagree 1 2 3 4 Strongly Agree 5 If you have any additional remarks about the usability of the application, you may leave them here. Submit Load unfinished survey Resume later Exit and clear survey Exit and clear survey Please confirm you want to clear your response?