definitely
there's something about the nature of data where it's hard to confirm your information is deleted
probably many websites that do KYC keep the information stored for a long time
too bad
Who knows whether they delete the documents or not? But what if the security system is vulnerable to hacks then your sensitive information is already at risk of exposing by the scammers getting you in trouble so always maintain your privacy and trust the legit sources only.
The information must not be sold or exchange with anyone you don't trust in hope of earning few dollars at that time.
No one really knows because this is an internal issue or things which the company do only knows but to presume out that in most cases, they are really just storing those information but since these platforms are
regulated then its impossible that we dont really have that privacy law or something in correlates to that.