Starting to see the necessity for the teleportation protocol; and
that is the no-cloning theorem from quantum mechanics. What that theorem says
is that it is impossible to clone - or copy - a probalistic state. And if one measures
it, it is no longer probabilistic!
The protocol transmits information one qubit at a time. Alice and Bob
each have a qubit entangled with the other. That qubit is destroyed in
use, as the information qubit is sent. The message sent can be anything...
source: Microsoft
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