If you don't need a legal name, a "name" field suffices. There are plenty of situations where you need their full legal name as per passport or other form of i

If you don't need a legal name, a "name" field suffices. There are plenty of situations where you need their full legal name as per passport or other form of identification. In here it's often some form of anti-money laundering laws. The first time I came across it was for a game show where you could win money, but to take the money out of the app, the law required some legal identification.