Just tried the logon on the PC.
(https://wise.com/login)
Worked but for some reason they wanted confirmation via the app which I did. Then they write it's a "new device" and I have to confirm in the email they sent me.
I did and now can logon without confirmation as I desire.
It was by no way a new device, no VPN used...
?
Used Windows 10 and Chrome.
I have no other suggestion than already mentioned.
Use another browser, check any addons in the browser, "safety"/"security" SW that often makes more harm than good.
Try the "anonymous"/"private" features of the browser (no cookies read/set).