"By using Storj’s MetaDisk infrastructure...
users will be able to upload, transfer, and decrypt files all in the wallet via the Storj MetaDisk API."

Here's the whitepaper, you're welcome:

http://www.opal-coin.com/wp-content/uploads/2014/11/OpalDriveWhitepaper.pdf

Since Storj is in alpha testing using only handpicked early investors...
And in what can be described as an early proof-of-concept stage...
So early Opan Drive users are basically part of Storj alpha testing?

https://live.driveshare.org/