The process of obscuring information to make it unreadable without special knowledge, key files, or passwords.
A ciphertext, a cryptogram, an encrypted value. Usually used with the preposition "of" followed by the value that is hidden in it.
Someone or something lacking a recognizable name, identity, or reputation.
They went with a no-name shop on the edge of town.
Lacking a recognizable name, identity, or reputation; not noteworthy.