I am not certain Kobo uses PouchDB, I dont remember seeing them mentioned, but its certainly possible to encrypt data that is synced with Pouch/CouchDB. Heres 2

I am not certain Kobo uses PouchDB, I dont remember seeing them mentioned, but its certainly possible to encrypt data that is synced with Pouch/CouchDB. Heres 2 projects (both written by Pouch maintainers) to help do that. https://github.com/calvinmetcalf/crypto-pouch https://github.com/calvinmetcalf/crypto-pouch https://github.com/nolanlawson/transform-pouch https://github.com/nolanlawson/transform-pouch