Quote:
Originally Posted by kennyc
There should be a clear purchase trail, either in an email record of the purchase or more likely in the credit card or pay-pal data to validate a purchase.
Not really any different from purchasing anything else.
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A credit card purchase may not show the necessary detail. In addition, will you always carry all your purchasing details with your purchases as meta-data? This is particularly a problem with promotional "give-away" works for a period of time.
For physical property, someone has to swear out a warrant, provide probable cause that I stole something, and accurately describe the item, usually down to the serial number.
With a digital property, nothing is provable. I might be able to show I bought a digital copy, but there is
nothing to prove that any particular copy is
that copy. Not even the meta-data. It could be easily modified by any bit level editor. (For example HexEdit 3.0, available as a free download.)