• Why KYC is extremely dangerous – and useless
• How KYC/AML poses a serious threat to your privacy and should not be used at all
• Be careful with your KYC documents
• The Unseen Danger of KYC

Privacy when it was lost, you will never be able to get it back. Your identity can not be erased on the Internet if it was leaked and spread around. That excellent topic and three referenced articles are enough to answer your question.