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Author Topic: Quantum Computer vs Bitcoin  (Read 2106 times)
DannyHamilton
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March 05, 2018, 05:33:27 PM
 #121

Let's say I have access to all computers and servers in the world and can use at least 10 % of their power to generate all bitcoin wallets and I have a big enough storage drive to get the results. It would take a few years,

You might want to double check your maths...

There are 2160 different addresses.
2160 = 1461501637330902918203684832716283019655932542976

There are approximately 7.4 BILLION people on earth.

If we give EVERY ONE OF THEM (infants, elderly, etc) 1 MILLION computers, AND each of those computers are able to generate 1 BILLION addresses per second, AND we used 100% of that power to do nothing else other than generate all bitcoin wallets continuously without interruption, then we'd generate approximately:
7,400,000,000 people X 1,000,000 computers X 1,000,000,000 addresses per sec = 7400000000000000000000000 addresses per second.

At that rate, it would take:
1461501637330902918203684832716283019655932542976 addresses / 7400000000000000000000000 addresses per second =
197500221260932826784282 seconds to generate all bitcoin wallets.

There are approximately 31557600 seconds in a year.
197500221260932826784282 seconds / 31557600 seconds per year = 6,258,404,354,606,587 years

That's more than 6.2 QUADRILLION years!

The entire universe since the Big Bang has only existed for about 13.8 BILLION years.  That means you'd have to continue this process from the beginning of the Big Bang until today, and then repeat that 453,508 more times!

THAT SOUNDS LIKE A LOT MORE THAN "a few years" TO ME! (and with a lot more computing power than you were suggesting).

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March 07, 2018, 04:21:52 PM
 #122

A quantum computer cannot destroy bitcoins, of course it'll have superior processing ability and greater storage capacity but it'll not be able to destroy bitcoins.

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March 09, 2018, 05:32:53 AM
 #123

I heard that Quantum Computer can destroy bitcoin.
Is it possible?

According to the latest research by security experts, the power of quantum computers will be able to break the security of bitcoin within 10 years, and security is one of the foundations of bitcoin as a virtual token.

An important feature of bitcoin is its security. Bitcoin has two important security features to prevent them from being stolen or copied. Both features are based on unbreakable cryptographic protocols.

But quantum computers can easily solve these problems, according to a team of Dave garwal. And the world's big tech giants are already working on their first quantum computers.

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March 10, 2018, 09:01:34 AM
 #124

I heard that Quantum Computer can destroy bitcoin.
Is it possible?

According to the latest research by security experts, the power of quantum computers will be able to break the security of bitcoin within 10 years, and security is one of the foundations of bitcoin as a virtual token.

An important feature of bitcoin is its security. Bitcoin has two important security features to prevent them from being stolen or copied. Both features are based on unbreakable cryptographic protocols.

But quantum computers can easily solve these problems, according to a team of Dave garwal. And the world's big tech giants are already working on their first quantum computers.
10 years is a long time. During this time, bitcoin will lose its leadership and will be replaced by a more functional cryptocurrency that will support quantum computers. I have heard that some projects are already beginning to study this area.

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March 10, 2018, 08:37:46 PM
 #125

I think social issues are way more of a threat to the future of cryptocurrency. I'd love to see the point where quantum computers are launching attacks because this is probably still years away
OpenPoll
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March 16, 2018, 03:44:31 AM
 #126

I heard that Quantum Computer can destroy bitcoin.
Is it possible?

According to the latest research by security experts, the power of quantum computers will be able to break the security of bitcoin within 10 years, and security is one of the foundations of bitcoin as a virtual token.

An important feature of bitcoin is its security. Bitcoin has two important security features to prevent them from being stolen or copied. Both features are based on unbreakable cryptographic protocols.

But quantum computers can easily solve these problems, according to a team of Dave garwal. And the world's big tech giants are already working on their first quantum computers.

Bitcoin will not be destroyed if quantum computers become powerful enough to solve ECDSA keys due to masked addresses (which Gover's algorithm only provides a quadratic speedup to reverse addresses to the corresponding public key). However, it will be severely impacted and public perception of bitcoin will likely tank causing a market crash.
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March 16, 2018, 02:32:35 PM
 #127

I will help the computeres to do that if they cant do it by yourselves because i want to end this so called Btc ecosystem to save the world Smiley
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March 17, 2018, 03:24:00 PM
 #128

Let's say I have access to all computers and servers in the world and can use at least 10 % of their power to generate all bitcoin wallets and I have a big enough storage drive to get the results. It would take a few years,

You might want to double check your maths...

There are 2160 different addresses.
2160 = 1461501637330902918203684832716283019655932542976

There are approximately 7.4 BILLION people on earth.

If we give EVERY ONE OF THEM (infants, elderly, etc) 1 MILLION computers, AND each of those computers are able to generate 1 BILLION addresses per second, AND we used 100% of that power to do nothing else other than generate all bitcoin wallets continuously without interruption, then we'd generate approximately:
7,400,000,000 people X 1,000,000 computers X 1,000,000,000 addresses per sec = 7400000000000000000000000 addresses per second.

At that rate, it would take:
1461501637330902918203684832716283019655932542976 addresses / 7400000000000000000000000 addresses per second =
197500221260932826784282 seconds to generate all bitcoin wallets.

There are approximately 31557600 seconds in a year.
197500221260932826784282 seconds / 31557600 seconds per year = 6,258,404,354,606,587 years

That's more than 6.2 QUADRILLION years!

The entire universe since the Big Bang has only existed for about 13.8 BILLION years.  That means you'd have to continue this process from the beginning of the Big Bang until today, and then repeat that 453,508 more times!

THAT SOUNDS LIKE A LOT MORE THAN "a few years" TO ME! (and with a lot more computing power than you were suggesting).

nice one  Smiley
we don`t have to worry ... but there is a way if someday... someone.... create some ASIC kind of computer to generate 1PentaBillion addresses/second ?? Sad((

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March 17, 2018, 04:32:42 PM
 #129

it is possible but still there is no such technology available.. so relax.. also developers are working on antiquatum hacking blockachain hope it will be ready soon

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March 17, 2018, 04:46:01 PM
 #130

It is possible. Let's say I have access to all computers and servers in the world and can use at least 10 % of their power to generate all bitcoin wallets and I have a big enough storage drive to get the results. It would take a few years, but I will have all those keypairs. Invent a better algorithm for generation, speed it up and maybe it will take even less time. Index the database and there you have it. The other reason as to why you will never know about it, is because nobody who would do such a thing would tell anyone about it. Why would they? Drop the bitcoin price? Set a world panic? Destroy bitcoin? Why would you, if you have access to all bitcoins? Why would you even take more than you need? Why not just empty the long lost wallets, and nobody would even notice. There are far better purposes for quantum computers than to generate bitcoin keypairs, let's do some calculations to get us further into space, move to Mars, improve statistics, make science breakthroughs, etc.

Translation:  Ill-informed idiot who whines that merit should be awarded by bots (!) is fishing for merit by posting innumerate nonsense in Development & Technical Discussion.

If you don’t know, then say you don’t know.  I admit, the set of things I do not know is infinite.  But don’t make stuff up and post it in an authoritative-sounding manner.  Nobody is buying what you’re selling.





I even dont know what these quantum computers are because I am a newbie here in this ecosystem. Help me out of this threat Sad

Try reading the thread.  Many intelligent answers were given back in December.

This is officially the spam megathread of Development & Technology Discussion.





Let's say I have access to all computers and servers in the world and can use at least 10 % of their power to generate all bitcoin wallets and I have a big enough storage drive to get the results. It would take a few years,

You might want to double check your maths...

There are 2160 different addresses.
2160 = 1461501637330902918203684832716283019655932542976

[...correct maths...]

The entire universe since the Big Bang has only existed for about 13.8 BILLION years.  That means you'd have to continue this process from the beginning of the Big Bang until today, and then repeat that 453,508 more times!

THAT SOUNDS LIKE A LOT MORE THAN "a few years" TO ME! (and with a lot more computing power than you were suggesting).

nice one  Smiley
we don`t have to worry ... but there is a way if someday... someone.... create some ASIC kind of computer to generate 1PentaBillion addresses/second ?? Sad((

“1PentaBillion” = 5 billion addresses.  What did you think it meant?

Although your “consumer-grade” laptop won’t be able to, there are already many computers which can generate that many addresses in a second.  Easily.  But it makes no difference.  Compared to 2160, the difference between 1 million and 5 billion is not so impressive.

ASICs are not magical.  They are simply Application-Specific Integrated Circuits, highly optimized to run one specific program which is literally cast in silicon.  They cannot defy the laws of physics, much less the laws of mathematics.  There is still a limit on how fast they can perform computations.  Also, importantly:  They need energy.

2128 is an infinitesimal fraction of 2160; and a 2128 security level is already what I call “boil the oceans security”, because the energy required for 2128 computations would boil the oceans (and more...).  It is humanly impossible to perform such vast amounts of computation, and it will always be humanly impossible.

You just do not get how big these numbers are.

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