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A comment on Google Fiber Was Doomed from the Start. Parent comment

Re:Google Fiber Was Doomed from the Start by afarrell on Wednesday March 15, 2017 @06:55PM (#13880681)
I would guess it is something signed with a private key so that the author of the throwaway comment can later prove they wrote it.

Seems a bit short though.

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Re:Google Fiber Was Doomed from the Start by oconnor663 on Wednesday March 15, 2017 @07:10PM (#13880792)
It's 128 hex characters, 64 bytes. That's exactly the size of an Ed25519 signature (https://nacl.cr.yp.to/sign.html), or just the SHA512 of anything.
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Re:Google Fiber Was Doomed from the Start by fpgaminer on Wednesday March 15, 2017 @07:06PM (#13880764)
An uncompressed ECDSA signature is 64 bytes, which is the length of that string.
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