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99% of things that claim to need a blockchain can do exactly the same thing with https://opentimestamps.org/ https://opentimestamps.org/ which uses an existing

• orwin 4y ago
  > can do exactly the same thing with https://opentimestamps.org/ https://opentimestamps.org/ Others exists, but yes, the only legitimate blockchain companies i know use it to stamp documents/emails. I also think a public blockchain can help democratizing a sort of global crypto auth like said in other comments. But those issues, while hard to truly solve, are not really important, and can be tackled quite easely with third-party trust. I understand that we are more and more individualistic, that our social contract is dying and thus for crypto bros, a third party trustee is not an adequat solution.