Time Travel with Tachyons

The design for a theoretical teleporter made me think. Here’s the basic idea: Scan the contents of the teleporter at the subatomic level, including their energy patterns, dematerialize it, and send the energy along with the data to be rematerialized in a new location.¬†Would it be necessary to actually send the energy produced by absorbing the object? What if you only sent the scan data, and used energy from another source to rebuild said object?
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