Seems cool. I think it's safe to assume that the #1 concern of those unwilling to store their data in "the cloud" is the (valid) fear that service-provider-X ha

Seems cool. I think it's safe to assume that the #1 concern of those unwilling to store their data in "the cloud" is the (valid) fear that service-provider-X has the ability to look at your files. I think it's worth noting that this seems very similar to Spider Oak's zero-knowledge feature (https://spideroak.com/zero-knowledge/ https://spideroak.com/zero-knowledge/), which they implemented a long time ago.