Most cryptocurrency users has been comfortable with their anonymity, they use cryptocurrency to obtain additional income or source income without being known by others. In addition, if they give their identity to an exchange or another, it is highly probable that their identity will be seen by others, especially the government, which will provide good regulation for cryptocurrency users on the condition that each user must pay taxes.
It's just hard to adopt something that requires risking our identity, so we better make sure that what were giving our identities with our with legit any legal companies having right process.