The reason why websites require those things is because they need proof incase the buyer opens a dispute after delivering the goods. The only way to tell it's actually you when purchasing is if you send in your entire ID, without covering anything up so they know it's a legal ID and not a fake one. I suggest you only stick to purchasing your items from reputable websites that have been in the business for a while since they have the most experience when it comes to things like ID and you should be fine. Goodluck!