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Digital watermark

1 expanded post · every known parent and child

NODE 094aa7e4Digital watermark A5113643667@attpls.net (Tom Jones)Thu, 8 Feb 1996 07:56:20 +0800

Dear Cypherpunks,

Has anyone heard any news lately about digital watermarks, that is,
changes to the image that can be used to identy the source of the
document?

Peace ..Tom