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01-13-2018, 08:10 AM | #1 |
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Quantum computers and blockchain
How fast could one mine?
Hmmm...
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01-13-2018, 08:50 AM | #2 |
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Or decrypt it? Could you steal all of them and get paid to run the machine?
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01-13-2018, 10:09 AM | #3 |
hey
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Quantum computing can play a serious risk to crypto currency security.
Companies will soon have to jump on board with quantum computing for security reasons. |
01-13-2018, 10:30 AM | #4 |
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I think difficulty rises and increases with mining volume...if a quantum computer were to start shitting out 1btc/second the mining difficulty would greatly increase rendering the quantum computers down to asic levels...the asics would be useless then tho...but I am not sure about this I just read it somewhere...
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01-13-2018, 11:22 AM | #5 | |
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Quote:
btw the smartes quantum computer exiting can count 1+2=3 yet. |
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01-13-2018, 11:23 AM | #6 |
Hmm
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very fast ;)
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01-13-2018, 12:21 PM | #7 | |
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01-13-2018, 12:48 PM | #8 |
So Fucking Banned
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and this....
A common misunderstanding is that quantum computers would ?try all solutions at once,? since qubits can be in a superposition state where they simultaneously represent a zero and a one, but this isn?t really right. When we measure a qubit it ?collapses? into a single definite state, so the trick to quantum computing algorithms like Shor?s is to arrange the qubits so that while in their superposition state they interfere with one another, and more specifically, so that the right answer constructively interfere and the wrong answers destructively interfere, so when the measurement is made at the end there is a high probability of them collapsing into the right answer. This is fundamentally different than anything a classical computer can do because in order to simulate those quantum superpositions and the way they interfere with one another (due to entanglement) requires too many numbers for a classical computer to store. Each additional qubit requires doubling the number of numbers you have to keep track of, so it quickly becomes intractable. (2, 100, 2100 is already too many numbers for the whole universe, from a classical perspective, the ?magic? of quantum mechanics is that, in some sense, it can hold that many numbers with just 100 qubits. But without the proper careful arrangement and manipulation, they won't give a useful result, they'll just be random.) |