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Author Topic: Will quantum computing kill crypto?  (Read 8904 times)
Bezdonov Art
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October 05, 2017, 07:17:09 AM
 #81

There are quantum resistant cryptographic algorithms. Blockchain protocols will be upgraded when necessary.
How can you know when is the time to "upgrade" protocols?

If such a quantum machine will ever be build, it will be a BIG secret for many many years, if not decades.
The greatest advantage of owning a machine capable of breaking crypto comes from no-one else knowing about it. So that everyone is using crypto, that they can break.

If it was public, it would soon be of no use.

Just look what happened with Enigma. After the war England even recommended some countries to use it, because it was unbreakable...  Grin
   
I completely agree with you. It often happens that someone who has some secret wants to use the power of this secret as long as possible in order to be able to covertly affect the situation. There have already been many examples in history when this happened.
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nikisev
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October 05, 2017, 08:44:00 AM
 #82

I have another question.
Lets say i have a quantum computer. Ive rent machine from IBM or something.
Will it be possible to decrease computation time for mining on such computer?
Till the point that it will be profitable?

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October 05, 2017, 04:00:48 PM
 #83

Quantum computing has the ability to make any encryption obsolete and unusable. ...

I don't think so.

Quantum computing cannot make encryption methods devised with quantum computers obsolete and unusable....
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October 05, 2017, 07:49:09 PM
 #84

Quantum computing will kill lots of old technologies, but it will give birth to many more - and better ones.

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October 06, 2017, 12:43:57 AM
 #85

This thread is attracting a lot of spam and very very little thoughtful discussion, so it will be locked.

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