Proton seems, practically speaking, about as good as you can get for a larger company.  And, after doing a little more research, it _does_ seem you can open an account with no KYC and fund w/ bitcoin!  So maybe that could be an option.

Wish Proton Drive worked w/ Mountain Duck :( though I appreciate the pointer to rclone, hadn't heard of that before.

I think Proton is quite a good way to reduce your surveillance-state footprint.

I started using it two years ago. I'm only using email for now and setting up their drive / storage service is on my backlog. My goal is to use it as an extra offsite backup storage location. I'm also running two Nextcloud instances on my own machines.  

sebastix

No KYC, signup with burner email; pay for proton+ with bitcoin.

orange_crush

Proton requires KYC for an account, no?  But I didn't know that they took bitcoin, that's good to know, thank you.