There are sharing cloud setups that encrypt your data and store it on the sharing computers. I tried some of them 10-15 years ago but they were all written in J

There are sharing cloud setups that encrypt your data and store it on the sharing computers. I tried some of them 10-15 years ago but they were all written in Java and didn't work very well. But they do still exist. Think one of them were called SpiderOak.