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Author Topic: HOWTO: create a 100% secure wallet  (Read 274037 times)
SirDeBoben
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July 24, 2011, 12:44:55 AM
 #381

Thank you, kind sir.
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plagues
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July 24, 2011, 07:45:22 AM
 #382

How about using TrueCRYPT with double encryption / like whirlpool / blowfish inside of an aes / whirlpool encrypted drive. Seems to work unless somebody can compromise the system directly at the keyboard. Which is possible. Even truecrypt has ways it can be compromised even a thumb drive that is used to authenticate the boot sector of an encrypted windows or linux boot drive.
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July 24, 2011, 08:33:05 AM
 #383

please don't solicit donations here.
drdiesel
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July 24, 2011, 04:00:28 PM
 #384


blk000*.dat
blkindex.dat
database/
__db.00*
debug.log

addr.dat
wallet.dat

There is not a clean separation between private, public, and temp/log data. Even wallet.dat contains many references to public data, such as the earliest relevant block. Though little if any public data makes identifying references to the wallet.dat.

I have none of these on my Mac, can anyone please tell me where I can find them? I have the BitCoin.app file running and have even shut it down a few times thinking that needed to happen for the files to be created the first time, no luck.

I've done an entire system locate command to try to find them with no luck...now I'm totally lost.
flatSoda456
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July 24, 2011, 04:24:06 PM
 #385

exceleent post, I feel more secure now.
kam1lly
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July 25, 2011, 01:06:14 AM
 #386

useful stuff, I've been trying to find ways to secure my investments
pekv2
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July 25, 2011, 06:14:08 AM
 #387

Cool how-to. Instead of leaving or backing up my wallet on my windows drive, I've created debian-live-6.0.1-amd64-gnome-desktop bootable SD with unetbootin. Going to be using the bootable SD to do my transactions and backing up for now on.

One problem that sucks for I, is the waiting for block count, while doing all of this on my mining machine "only one pc atm". Losing mining time to do transactions, backups etc on the live disk, but safer than sorry, I'd rather loose a few hours of mining than having my wallet somehow taken. I have more than a few years experience with debian based linux distro's. For a very fresh pc user, this how-to will be a challenge for them as a beginner. I recommend using debian live. Ubuntu has gone to garbage.
funkymunky
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July 25, 2011, 03:38:42 PM
 #388

Live Distros for me  Grin
PBJ
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July 25, 2011, 04:52:30 PM
 #389

This may be a little extreme.

But I personally keep mine on my Ironkey.

Along with my business information.
pekv2
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July 25, 2011, 05:04:35 PM
 #390

This may be a little extreme.

But I personally keep mine on my Ironkey.

Along with my business information.

It is very extreme & time consuming, I believe this purpose is solely to avoid any trojans/keyloggers/etc/people from accessing your wallet/data etc, even with the proper security of a windows pc, I won't take the chance and will use the extreme practices to keep my wallet safer.

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July 25, 2011, 05:36:58 PM
 #391

Actually, with Ironkey it is simple as remembering your pass phrase.
simonk83
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July 26, 2011, 04:06:03 AM
 #392

Unfortunately, multiple wallets is somewhat inevitable, and although bitcoin tries to hide the mechanics of all the key management, I think address management is a huge risk. People have a natural tendancy to use the last-known-good address and wait for something to go wrong. I'm sure we all know people who would write one bitcoin address down once, and expect it to always work. That's a really dangerous expectation. By this point, I've installed the client on 4 different machines several times, and although I don't need all of those addresses .. if it's out there .. there's a risk someone will use it.

OK, I need a bit of clarification here.   My setup is as follows.    I have my day to day PC, which is also my mining PC.  On that PC I have Bitcoin installed and my mining proceeds get sent into that wallet. 

I've also setup Ubuntu on a USB stick.  It's not installed on there, it just runs, so it's fresh each time it boots.   On another USB stick I have a copy of the Bitcoin install program, a copy of the TrueCrypt install program, and a copy of the Wuala install program.   What I've done is, last night, booted the Ubuntu stick, installed the above programs and created a new wallet.   I didn't generate any other keys other than the initial one.   I took that key and emailed it to myself.     

On my main PC, I transferred 0.5BTC to this new address (the Ubuntu address).   On the Ubuntu stick I downloaded the entire blockchain and verified that the transaction showed up.   At that point I created a TrueCrypt volume on a second USB stick and moved the wallet.dat file into that encrypted volume.   I also zipped the wallet.dat with -e and uploaded it to Wuala (as a backup backup).  Wuala encrypts all data anyway, but I figured it didn't hurt to zip encrypt it as well Smiley

As the blockchain took bloody forever to download, I also made a copy of that on a separate USB stick.

I then shut down Ubuntu, and restarted it, verifying that everything was gone and fresh, then went through the steps of reinstalling all the above programs and recovering my wallet.dat.   All good, all blocks present, along with the 0.5BTC.

Satisfied that it all worked, I then transferred the total remainder of my BTC from my main PC wallet to this Ubuntu "savings" wallet using the initial address I'd emailed to myself.

Booted Ubuntu, and again verified everything was present, then made a final backup of this wallet into TrueCrypt and Wuala.

So now, whenever I accumulate some BTC on my main PC from mining, I'll just send it to this Savings address (I won't bother checking it worked from now on, other than looking on Block Explorer).


My question, after than long winded blah, is to your point above about only using that one address.   What are the risks/pitfalls of doing that?   If I only ever send my BTC to that one address (which is pointing to a wallet that is encrypted on a disk and only accessed via a LiveCD when I want to spend it), is that a problem?     No-one can do anything with that address, not unless they get through all my crap and get my wallet.dat right?     So why is it better to have multiple addresses?


Thanks Cheesy
Teofila Husby
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July 26, 2011, 09:15:37 AM
 #393

Very good article!   Grin Grin

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d9000
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July 26, 2011, 10:33:57 AM
 #394

Yes, great info.  I'll create a super-secure file once I actually start making some money.
cymbal_king
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July 26, 2011, 05:24:00 PM
 #395

seems like a good idea, but I don't think it will be worth the effort for a lot of people
loukin
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July 26, 2011, 05:56:11 PM
 #396

Thank you for the good info.
xcarbon1
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July 26, 2011, 08:10:06 PM
 #397

thanks, very useful  Smiley
ianspain
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July 26, 2011, 10:09:15 PM
 #398

great thread, thanks for the info

BlockChain Capital
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July 27, 2011, 08:40:15 PM
 #399

great article!

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July 27, 2011, 09:55:34 PM
 #400

will do this asap, thanks!

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