Isn't that similar to a Veracrypt volume as a file?
It's not a filesystem, its an archive designed to be shared.
It has compression built in .
A lockbox is signed not just encrypted- so you can verify identity and data integrity,
You can store variables and forms and can expand them in a script.
Supports multiple identities and and is designed to be shared by 'granting' other access using their public key.
It's designed to be portable rather than for local file access.
A browser can upload and open a lockbox via our wasm support.