I'm wondering when it will be possible to upload in B2.
Few weeks ago I have written to Backblaze to ask that. And here is the reply:
"This is still being looked into/worked on. We actually did recently implement the option for the sha-1 of files to be accepted at the end. Now, we simply need time for oDrive to incorporate this into their product. I don't have an estimated ETA for this yet though, I'm afraid."