what is this?
Shows up on safari and on chrome
I am used to https
not H-BIT

It's Slovenian, which fits since NiceHash is based in Slovenia.... but I'm not very confident in it being safe since Nicehash hasn't had that show up before on their website (at least not that I have noticed).
It's still HTTPS their organisation name is showing that because they are using an extended validation HTTPS certificate
https://superuser.com/questions/565422/why-do-some-websites-show-the-company-name-next-to-the-urlBrowsers have started showing this info to try and stop phishing sites using HTTPS certificates which are signed by a completely unrelated organisation.