Recreating a Bitcoin Address (NOT a Backup)

Discussion in 'SFA Archive' started by PowerCapped, Nov 23, 2013.

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Recreating a Bitcoin Address (NOT a Backup)
  1. Unread #1 - Nov 23, 2013 at 8:38 PM
  2. PowerCapped
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    Recreating a Bitcoin Address (NOT a Backup)

    Because of the routine the Blockchain uses to *create* actual Bitcoin addresses, I have been led to believe that one may actually be able to generate a valid Bitcoin address that is already in existence. You can relate this to credit card fraud, but without the malicious intent. The thing about replicating an address what makes addresses themselves. The Blockchain is so large and detailed so that if this was actually possible, the chances for it actually happening, would be infinitely small.

    The screenshot from https://blockchain.info/wallet/technical-faq may help elaborate further on what I'm trying to explain.

    [​IMG]

    Because the client creates the wallet identifier, JSON data, JSON payload, and all the private keys without server input to check for a duplicate, this allows for a possible duplicate in the first place.

    Any and all feedback would be appreciated. Thank you!
     
  3. Unread #2 - Nov 24, 2013 at 11:29 AM
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    Recreating a Bitcoin Address (NOT a Backup)

  5. Unread #3 - Nov 24, 2013 at 2:38 PM
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    Recreating a Bitcoin Address (NOT a Backup)

    Bitcoin uses 160 bit addresses.

    For each time you generate an address you have a 1 in 2^160 chance of generating a particular address already in existence.

    That is 0.00000000000000000000000000000000000000000000068% chance.

    Good luck.
     
  7. Unread #4 - Nov 24, 2013 at 5:35 PM
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    Recreating a Bitcoin Address (NOT a Backup)

    This section is for intelligent discussion only. Please and thank you.

    So it is possible. When you take this percentage of probability, although it is extremely unlikely to ever happen, it can be done.
    So something I wanted to then ask was if say a Bitcoin address could be recreated, could a there one day be a duplicate of Earth? Either there is already one within our universe or in an alternate dimension in the space-time continuum.
    Let's face it. One day our non-renewable resources will run out here on Earth and as an intelligent species, we will be forced to adapt to the changes to survive.

    So now, I would be interested in hearing possible theories of how Earth in its entirety could be recreated.
     
  9. Unread #5 - Nov 24, 2013 at 8:21 PM
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    Recreating a Bitcoin Address (NOT a Backup)

    EDIT: Before reading, sorry for typos. I'm not illiterate, I'm writing from a cell phone.

    ___




    Talking about astronomy is something completly different on a larger scale that we can't easily fatham. What your argument should be, is not the statistics of wether or not there can be another earth, but rather what are the chances there is NOT already another earth. The answer to that would he close to your chances of recreation of an existing bitcoin address.

    On topic however,

    I think this is a very ridiculous argument. Yes, there is a chance to generate an exact same bitcoin address as another existing one. However with that being said, there also is a databasr with all existing addresses I'm sure. (Or otherwise, when a transaction is processed the information containing the transactions couldnt be noted in a numerical form as it is now. Refer to current discussion of the multimillion transaction)

    So, look at all possible numbers as a spreadsheet. Whenever an address is created, it basically will only allow the availability of an address depend if not used.
    For an example, one method to use without having server input would be to have a predetermined list of addresses with an ever-changing algorithm to assign an address. Say 123 is address for User1. Method to determine User2 can be time plus date = list number, etc.

    I'm sure what your arguing was considered way before releasing bitcoin. :p
     
  11. Unread #6 - Nov 25, 2013 at 3:04 AM
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    Recreating a Bitcoin Address (NOT a Backup)

    Ok, assume you manage to recreate an address. What then? There are so many address it is impossible to count them all, and the chances of you duplicating an inactive/empty address is particularly high. Not worth the effort unless you can guarantee a pot of gold at the end of the rainbow.
     
  13. Unread #7 - Nov 26, 2013 at 8:04 PM
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    Recreating a Bitcoin Address (NOT a Backup)

    My whole intent with this thread was to relate the possibility of recreating something like a Bitcoin address with say the possibility of maybe seemingly duplicate of Earth somewhere in the Universe.

    I realize now my intent wasn't made very clear and that this can go nowhere productive from here.

    /thread, please
     
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