Morlock Elloi on Sat, 3 Mar 2018 20:33:00 +0100 (CET)

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Re: <nettime> Josh Hall: Blockchain could reshape our world and the far right is one step ahead (Guardian)

I regret to be this anal - nettime is not (that) technical forum, but in this case blockchain has has nothing to do with securing IoT communications. At best, blockchain can provide authentication (ie. public key tied to identity), with properly expensive PoW, which is not the case here.

This reminds me that there is one sensible use of blockchain: public key directory. Too bad no one uses PGP any more.

Which brings me to another really interesting question: why don't DNS CAs use blockchains for storing certificate chains, instead of burning them into browsers via custom deals with multiple browser peddlers?

I believe that this use of blockchain is simply as a secure protocol for
the internet-of-things – and for (future) autonomous driving. (It's that
potential external control of one's car – or whatever – that's spooky.)

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