I have no idea, trying these things will help you rule it out.
Discussion
my only concern is that using my private key on numerous nostr clients seems like a Security risk. Eventually I’ll land on one that’s run by the man - if I’m not already.
It's possible, people recommend using those browser extensions for that reason, but then you have to trust the browser extension. I self-host a satellite.earth instance and from what I've seen it's legit.