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Author Topic: Private Key Hacked by brute force, Entire Wallet Drained  (Read 4671 times)
Flyskyhigh
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February 09, 2017, 07:21:13 PM
 #1

Has this ever happened before?

Follow-up questions:
If there becomes 100 trillion wallets in use, do you think finding a wallet with a balance will become common? Is the current private key secure enough to last 10,000+ years?

Is there a way to scale up the security of the generated private keys somehow if needed someday?


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Flyskyhigh
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Ezekiel 34:11, John 10:25-30


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February 09, 2017, 07:35:41 PM
 #2

Private keys cant get common at all .it has a specific algorithm and it has probability to zero .it is not a bug of bitcoins wallet .it generates at a high pace with accuracy because it is a machine .and the wallet can get hacked and i dont think u can get it back because its untraceable .

I don't think you understand my questions. And looking for a non-newbie to answer them. (No offense)

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February 09, 2017, 08:03:34 PM
 #3

I just hacked this Adress in a second: 12AKRNHpFhDSBDD9rSn74VAzZSL3774PxQ

Private Key is:
5JdeC9P7Pbd1uGdFVEsJ41EkEnADbbHGq6p1BwFxm6txNBsQnsw

So. Yes this has happened before.

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February 09, 2017, 08:08:29 PM
 #4

Has this ever happened before?

Follow-up questions:
If there becomes 100 trillion wallets in use, do you think finding a wallet with a balance will become common? Is the current private key secure enough to last 10,000+ years?

Is there a way to scale up the security of the generated private keys somehow if needed someday?




I don't have my English to Nerd translator handy, butt is your query about the probability of bitcoin address collisions?

https://bitcointalk.org/index.php?topic=104461.0 "What are the chances of an address collision? and what happens when it does?"




Did this actually happen to you? All your coins stored in one address? Or was the wallets password compromised?

8  )

8 )
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February 09, 2017, 08:36:44 PM
 #5

They have done the calculations and always shows it is more Profitable to mine BTC with the hashpower than attempt to crack a wallet. Even generating new wallets hoping to find Bitcoins is less likely than mining a block. The chances are Ridiculous tiny (not in your lifetime).



        ▄▄▄▄▄▄▄▄▄▄
     ▄██████████████▄
   ▄█████████████████▌
  ▐███████████████████▌
 ▄█████████████████████▄
 ███████████████████████
▐███████████████████████
▐███████████████████████
▐███████████████████████
▐███████████████████████
 ██████████████████████▀
 ▀████████████████████▀
  ▀██████████████████
    ▀▀████████████▀▀
.
.....
.....
.....
.....
.....
.....





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February 09, 2017, 08:56:30 PM
 #6

100 trillion addresses = 10^14
All possible addresses about 10^48

10^48 / 10^14 = 10^34

Each time you generate a new address you have 1 in 10^34 to find any one of those 100 trillion addresses
DannyHamilton
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February 09, 2017, 08:57:40 PM
 #7

Has this ever happened before?

With a properly generated private key?

No.

If there becomes 100 trillion wallets in use, do you think finding a wallet with a balance will become common?

100 trillion is a VERY small number.  The answer to your question is no.

Is the current private key secure enough to last 10,000+ years?

Assuming that no new weaknesses are discovered in the ECDSA, SHA256, and RIPEMD160 algorithms, the current private key is secure enough to last more than 14 billion years (note that the entire universe is probably less than 14 billion years old right now).

If weaknesses ARE discovered in any of those algorithms, then the algorithm can be replaced before weaknesses are discovered in any of the other two.

Is there a way to scale up the security of the generated private keys somehow if needed someday?

Yes, but it might require a hard fork.

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February 09, 2017, 09:20:44 PM
 #8

I just hacked this Adress in a second: 12AKRNHpFhDSBDD9rSn74VAzZSL3774PxQ

Private Key is:
5JdeC9P7Pbd1uGdFVEsJ41EkEnADbbHGq6p1BwFxm6txNBsQnsw


Oh, you mean it was a brain-wallet address generated by a simple phrase.
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February 09, 2017, 09:25:57 PM
 #9

Has this ever happened before?
Quote
Private Key Hacked by brute force

We are working on this now.  We are devising an algorithm that exploits certain weaknesses to get to address keys.  More on this later. 

The scientific answer to your question is 'Yes'.  But it is challenging.

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February 09, 2017, 09:28:56 PM
 #10

Has this ever happened before?

Follow-up questions:
If there becomes 100 trillion wallets in use, do you think finding a wallet with a balance will become common? Is the current private key secure enough to last 10,000+ years?

Is there a way to scale up the security of the generated private keys somehow if needed someday?



A key collision has never happened and will not happen in the life of bitcoin,  if the human race is still using bitcoin in 200 years time, never mind 10,000 then we have been utter failures...... Wink
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February 09, 2017, 09:52:07 PM
 #11

No, that isn't something to worry about, bruteforcing a key is not a real thing, you can attempt it all you want but it just won't give any results, it is just too much of variable. Brainwallets, now that is a different subject.

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February 09, 2017, 11:00:58 PM
 #12

904625697166532776746648320380374280100293470930272690489102837043110636675 keys

so you want 100 trillion private keys
hmm
only
904625697166532776746648320380374280100293470930272690489102737043110636675 keys
to go


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Don't take any information given on this forum on face value. Please do your own due diligence & respect what is written here as both opinion & information gleaned from experience. If you wish to seek legal FACTUAL advice, then seek the guidance of a LEGAL specialist.
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February 09, 2017, 11:11:58 PM
 #13

A key collision has never happened and will not happen in the life of bitcoin,  if the human race is still using bitcoin in 200 years time, never mind 10,000 then we have been utter failures...... Wink

The pessimists will be most surprised. 

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Flyskyhigh
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Ezekiel 34:11, John 10:25-30


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February 10, 2017, 03:09:53 AM
 #14

Thanks for many of your replies, this is especially helping me understand the security better.

For clarification, I am talking about 100 trillion private keys NOT addresses.




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franky1
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February 10, 2017, 04:10:45 AM
 #15

Thanks for many of your replies, this is especially helping me understand the security better.

For clarification, I am talking about 100 trillion private keys NOT addresses.

904625697166532776746648320380374280100293470930272690489102837043110636675
maximum amount of private keys

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Don't take any information given on this forum on face value. Please do your own due diligence & respect what is written here as both opinion & information gleaned from experience. If you wish to seek legal FACTUAL advice, then seek the guidance of a LEGAL specialist.
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February 10, 2017, 04:15:25 AM
 #16

For clarification, I am talking about 100 trillion private keys NOT addresses.

That's good, because addresses don't actually exist at the protocol level.  Addresses are an abstraction that wallets use to make it easier for we humans to discuss the transfer of control over value.

At the protocol level there are just scripts.  One script is used to encumber a transaction output with a requirement that must be met in order to spend that output.  The other script is used in the input to a transaction to satisfy the requirements of the output being spent.

When using a bitcoin address that starts with a '1' the wallet translates that to a script that encumbers the output with a requirement to provide a digital signature generated with a private key that is associated with a given public key hash.  Other address types will have other scripts.  Some output scripts don't even require a private key at all (although those are typically not a secure way to transfer control over the associated value).

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February 10, 2017, 04:21:32 AM
 #17

Change your subject, if it is a genuine question not for trolling!

"Can Private Key be hacked... ?" !!!

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February 10, 2017, 04:21:40 AM
 #18

Thanks for many of your replies, this is especially helping me understand the security better.

For clarification, I am talking about 100 trillion private keys NOT addresses.

904625697166532776746648320380374280100293470930272690489102837043110636675
maximum amount of private keys

franky1,

I'm not sure where you got your number, but it seems a bit small to me (a bit more than 2 orders of magnitude too small).  I thought the actual number of valid private keys was:
115792089237316195423570985008687907852837564279074904382605163141518161494336

Am I mistaken? How did you calculate your number?

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February 10, 2017, 04:56:15 AM
 #19

Danny is correct.
0xFFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFE BAAE DCE6 AF48 A03B BFD2 5E8C D036 4140
equals
115792089237316195423570985008687907852837564279074904382605163141518161494336

https://en.bitcoin.it/wiki/Private_key#Range_of_valid_ECDSA_private_keys
Online conversion tool to use for quick conversion: http://www.mobilefish.com/services/big_number/big_number.php

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February 10, 2017, 05:00:50 AM
 #20

I just hacked this Adress in a second: 12AKRNHpFhDSBDD9rSn74VAzZSL3774PxQ

Private Key is:
5JdeC9P7Pbd1uGdFVEsJ41EkEnADbbHGq6p1BwFxm6txNBsQnsw


Oh, you mean it was a brain-wallet address generated by a simple phrase.

Yes. The simple phrase was 1 Cheesy


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