"Analysis of Data Remnants on SpiderOak, JustCloud, and pCloud" (2017) explores forensic evidence on cloud storage applications.
"Investigating Storage as a Service Cloud Platform: pCloud as a Case Study" (Dargahi et al., 2017) examines artifacts left by pCloud on Windows, Ubuntu, Android, and iOS, providing a forensic analysis of retrievable data. BW - pCloud
If you can tell me whether you are interested in or performance/system design , I can help you find more specific details from these studies. "Analysis of Data Remnants on SpiderOak, JustCloud, and