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Re:Man Who Introduced Millions to Bitcoin Says Blockchain Is... by xyzzy4 on Thursday August 18, 2016 @02:55PM (#12315328)
Server - client architecture, using IP addresses instead of using public/private keys, etc.
Re:Man Who Introduced Millions to Bitcoin Says Blockchain Is... by catalinbraescu on Thursday August 18, 2016 @11:54PM (#12317877)
Then the own employees can change the ledger (for example).

I thought your claim was serious.