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Author Topic: HOWTO: create a 100% secure wallet  (Read 275355 times)
John (John K.)
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July 14, 2012, 03:35:54 AM
 #841

Thank you for this resource - it's a great read for a new user.

I have a question about taking a similar approach, but with some slightly different parameters:

1) I don't have an optical drive, but I'm just about to do a full system format and fresh install of Win 7. If I made the general process described in the OP my first task, and then securely wiped the wallet.dat file (and uninstalled the client), I could accomplish largely the same level of security, correct?

2) Suppose I want to undertake the process described above, without ever connecting my OS to the internet, does that work? I presume the the bitcoin client doesn't actually require the whole blockchain to be downloaded in order to simply generate the wallet.dat file.

Thanks!

It depends on what you ascertain as the 'same level of security'. If you made sure your OS is clean, and you wipe all traces securely, then yes, your wallet should be secure.
You can generate the wallet.dat file without having to connect to the internet at all.

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July 14, 2012, 10:04:10 PM
 #842

Great thread, thanks. Smiley
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July 16, 2012, 04:52:46 PM
 #843

thank you for this information Smiley
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July 16, 2012, 06:04:27 PM
 #844

Very nice information, thanks friends.

-The zorgberg
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July 17, 2012, 04:17:14 PM
 #845

i downloaded the default client from bitcoin.org, the bitcoin-qt one, but it didnt create 10 addresses for me, just one and also i can't locate the wallet.dat file. Any help with that?
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July 17, 2012, 06:09:55 PM
 #846

Hey all,

Last week I posted 2 quick questions up a bit on this thread:
https://bitcointalk.org/index.php?topic=17240.msg1028921#msg1028921

I'm wondering if someone could glance at them and give my reasoning a sanity / double check?
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July 17, 2012, 06:14:42 PM
 #847

Hey all,

Last week I posted 2 quick questions up a bit on this thread:
https://bitcointalk.org/index.php?topic=17240.msg1028921#msg1028921

I'm wondering if someone could glance at them and give my reasoning a sanity / double check?

John has actually answered both your questions:
https://bitcointalk.org/index.php?topic=17240.msg1029620#msg1029620
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July 17, 2012, 09:49:12 PM
 #848

Thanks for all the info  Smiley
 I will testit
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July 17, 2012, 10:21:29 PM
 #849

thanks a lot, this was really helpful and easy to follow.
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July 18, 2012, 07:03:21 PM
 #850

This sounds like a very long and proccess on how to secure your wallet, if you are very afraid you should indeed follow this guide. I do not really have the Bitcoins very secure, some of them are put in several InstaWallet accounts and someone in the normal Bitcoin client.
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July 19, 2012, 01:29:33 AM
 #851

Ideal method is to just have bitcoind running on a server & store your wallet *~/.bitcoin* folder as an encfs partition.
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July 19, 2012, 08:26:22 AM
 #852

No wallet is 100% secure except an offline wallet where you do the hashing on an abacus... Its entirely possible (likely) a 0-day exploit will be discovered and you will lose every bitcoin handled by your client...


Important: https://bitcointalk.org/index.php?topic=92424.0;all

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unclemantis
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July 20, 2012, 04:10:19 AM
 #853

No wallet is 100% secure except an offline wallet where you do the hashing on an abacus... Its entirely possible (likely) a 0-day exploit will be discovered and you will lose every bitcoin handled by your client...



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July 20, 2012, 07:34:44 AM
 #854

need to have antirus
preventing or securing us from identity theft

my address :18TTx6qBr2LTiyRu6SuLDX1SFwDCQyeJRC
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July 20, 2012, 06:13:21 PM
 #855

I'm on Linux, so I am not worried about virus attacks.  I back up my wallet.dat regularly to several pen drives.

Question:  I am mining so I usually have 4 or 5 transactions awaiting another 100+ block solves before they are confirmed.  Let's say I backup my wallet and something happens / need to restore it.  If I restore the a .dat - that was backed up with 4 partially confirmed transactions, will they be reconfirmed or lost?

Thx


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July 20, 2012, 06:17:06 PM
 #856

I'm on Linux, so I am not worried about virus attacks.  I back up my wallet.dat regularly to several pen drives.

Question:  I am mining so I usually have 4 or 5 transactions awaiting another 100+ block solves before they are confirmed.  Let's say I backup my wallet and something happens / need to restore it.  If I restore the a .dat - that was backed up with 4 partially confirmed transactions, will they be reconfirmed or lost?

Thx



They would be confirmed.

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July 20, 2012, 09:55:04 PM
 #857

Has anybody made a live linux distro version for a wallet to a thumb drive setup ?

I've started a project that builds a modified Ubuntu Privacy Remix distro to create secure offline wallets, and execute offline transactions. Might be of interest to the readers of this thread. More details in the original post:

https://bitcointalk.org/index.php?topic=94321.0

http://lamassubtc.com/
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July 21, 2012, 09:14:01 AM
 #858

No wallet is 100% secure except an offline wallet where you do the hashing on an abacus... Its entirely possible (likely) a 0-day exploit will be discovered and you will lose every bitcoin handled by your client...

You don't have to do hashing to maintain a wallet. 0-day exploits only work on connected machines. So when using an offline machine to keep your keys you will not lose any bitcoin to a 0-day exploit. No abacus required, just scissors for the network cable.

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July 21, 2012, 07:46:57 PM
 #859

just encrypt it and put the passphrase in your will lol
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July 22, 2012, 02:12:27 AM
 #860

Great tutorial! Thanks! Grin
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