digital fingerprinting
Similar to a netary public, this is one way of attaching information to a Web document to protect intellectual property. It works like this: Registered users send files to a company that specializes in digital fingerprinting; it generates a digital fingerprint on the file, assigning it a time stamp that shows when the file was first in use. Any change to the file (even one character or space) will render the fingerprints unmatchable.
See also : digital watermark
NetLingo Classification: Online Business
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