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A comment on The World’s Oldest Blockchain Has Been Hiding in the New York Times Since 1995.

Re:The World’s Oldest Blockchain Has Been Hiding in the New ... by Merrill on Tuesday August 28, 2018 @11:05PM (#17865192)
Widespread use of this technology would be a problem for government, since it would be difficult to insert fake records to create "legends" for undercover detectives, spies, and people in witness protection, etc.
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Re:The World’s Oldest Blockchain Has Been Hiding in the New ... by schoen on Wednesday August 29, 2018 @12:59AM (#17865779)
Widespread use of Facebook might have a much more significant effect, because people don't usually memorialize all of their life events in a public digital notary service but often do so with social media.

I bet counterintelligence agencies are scraping social media and the web in order to see whether some travelers' identities are lacking in (or contradicted by) historical online documentation.

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