Fwd: [Cryptography] Blockchain without proof of work

grarpamp grarpamp at gmail.com
Fri Jan 4 16:05:30 PST 2019

---------- Forwarded message ----------
From: Phillip Hallam-Baker <phill at hallambaker.com>
Date: Thu, 3 Jan 2019 13:29:47 -0500

As of 1st Jan, I am no longer employed by Comodo Group or any other CA or
browser provider. So I am looking at new directions. One of these is a
video blog: PHB's CryptoWar which will follow my various interests from
politics, to cryptography to prop making.

To start it off: here are three commitments which are the names of three
individuals who I expect to see indicted/charged with serious crimes in the
near future:


[These names are also known to at least two international news
organizations who like myself are allowing the authorities to complete
their work.]

The kommitments provide a cryptographic means of proving that I knew
something at a particular time without revealing it (yet). They demonstrate
both the use of a digest function and the advantage of using a key.

The next obvious technical topic to tackle is blockchain. Right now,
blockchain is using more electricity than Ireland and minting several
billion worth of new currency to process fewer transactions than a
moderately busy CostCo.

So what is the current state of the art on blockchain without proof of
work? Harber and Stornetta suggested publication in the Times. Which is of
course recourse to a higher level notary. The next obvious approach is a
circular firing squad of notaries that cross notify. Has anyone published
anything further I should present?

Of couse, I could do what I usually do and re-invent stuff because I am too
lazy to read the literature. But I rather doubt there is a literature in
this case...


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