Yeah it depends mn aynt site nw? If it is legit like PayPal or financial apps it's ok gn mn aynt site?

They cant unless you send tgem the verification code too, past that point we cant tell.

How you're gonna get affected if they're indeed up to something > what you're gonna gain whether they're up to something or not. So don't do it.

what's the website

Mn chgr alewu give them ur fan keza gin otp asgeba yemilek kehone make sure u r inserting the otp only to fayda website domain , do not provide the otp to other websites or apps

nope it is not bad it redirect to fayda after authentication they fayda will tell you what info they would get from you so it is not going to harm you in any way