The quality or state of being anonymous; anonymousness; also, that which anonymous.
I wanted to have the adoration of John Lennon but have the anonymity of Ringo Starr. I didn't want to be a frontman. I just wanted to be back there and still be a rock and roll star at the same time. Kurt Cobain
The new freedom of expression brought by the Internet goes far beyond politics. People relate to each other in new ways, posing questions about how we should respond to people when all that we know about them is what we have learned through a medium that permits all kinds of anonymity and deception. Peter Singer