I am using several VMs in Qubes. All of them are Whonix and I use Tor browser.
I want to be anonymous on some of them (mainly to authorities).
Could it threaten my OPSEC if I identify myself on some of the VMs, if the other ones should be anonymous?
I think Tor browser mitigates fingerprints, but maybe it is viewable that there are similarities regarding the identical hardware or something. Not exactly sure how well Tor browser does the job.
Also, JavaScript could be a potential harm. In the anonymous ones, my security level is set to “Safer”, but on the non-anonymous ones sometimes to “Standard”.
I am never using more than one VM at the same time.