How about "X10", where 1 and 0 represent bits.
"X Ten" would sound better than "X zero one" or "X Oh one"
Saying "x one" seems missing zero.
Sounds nice, but all the others are alphabetic, which is also the convention e.g. USD, CAD. There is a separate numeric associated with each one as well. XBC has already been taken by the European central bank, unfortunately.