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Author Topic: Paper Wallet Secure????  (Read 2489 times)
b-trading (OP)
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November 05, 2014, 03:37:19 PM
 #1

how secure the paper wallet if i create and print it from the websites like bitaddress or etc, do the owner of that website known about the private key Huh
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There are several different types of Bitcoin clients. The most secure are full nodes like Bitcoin Core, but full nodes are more resource-heavy, and they must do a lengthy initial syncing process. As a result, lightweight clients with somewhat less security are commonly used.
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Dabs
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November 05, 2014, 03:40:39 PM
 #2

Download the website, and open it offline on a disconnected computer.

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November 05, 2014, 04:55:09 PM
Last edit: November 06, 2014, 01:08:02 AM by cr1776
 #3

Download the website, and open it offline on a disconnected computer.

As Dabs said, see here:
https://github.com/pointbiz/bitaddress.org


Use it offline, quit your browser after using it, and probably restart the computer prior to going back online to be safer.  (Or use one that is never online)
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November 06, 2014, 12:55:05 AM
 #4

Instead of running it on an OS that may already be infected, backdoored, keylogged or screenshotted by a virus or trojan horse you've already got, I would recommend running a liveCD and generating the key there. That way there is no chance of an eavesdropper intercepting the key, and it will not be written to the hard drive accidentally even as memory page file. See the last link in my signature.
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November 06, 2014, 08:14:18 AM
 #5

Instead of running it on an OS that may already be infected, backdoored, keylogged or screenshotted by a virus or trojan horse you've already got, I would recommend running a liveCD and generating the key there. That way there is no chance of an eavesdropper intercepting the key, and it will not be written to the hard drive accidentally even as memory page file. See the last link in my signature.

but make sure that the liveCD is not infected by anybody..
also look at the random generator of the liveCD.. make sure that you get good random numbers.
you see a loot too look at to get a secure paper wallet.

and then, make sure if you print the wallet, that the printer is not infected or store the printed files. (some printer do this)


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November 06, 2014, 02:23:20 PM
 #6

how secure the paper wallet if i create and print it from the websites like bitaddress or etc, do the owner of that website known about the private key Huh

if you really need to know, you should done ths things without internet so to make it secure.and restart your pc dude!hope it helps!
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November 06, 2014, 02:44:07 PM
 #7

Paper wallet better than cold storage.
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November 07, 2014, 12:45:26 PM
 #8

Paper wallet better than cold storage.

Why is that the case? Can anyone share their opinions on that?
I always consider paper wallet is as safe as cold wallet, as long as they are both created in a safe way.
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November 07, 2014, 12:57:45 PM
 #9

I am lucky, I recently go hold of some computers, that was going for recycling.
I managed to put some together and used it to print 300+ paper wallets offline.
They are now in pieces and being recycled, so nobody will ever get their hands on those private keys. ^Smile^

I drop some satoshi's towards them, and will destroy them, once it's sweeped onto online wallets.

I am a bit paranoid, when it come to things like this, so this might be a bit extreme. ^LoL^

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b-trading (OP)
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November 07, 2014, 05:41:24 PM
 #10

Instead of running it on an OS that may already be infected, backdoored, keylogged or screenshotted by a virus or trojan horse you've already got, I would recommend running a liveCD and generating the key there. That way there is no chance of an eavesdropper intercepting the key, and it will not be written to the hard drive accidentally even as memory page file. See the last link in my signature.

but make sure that the liveCD is not infected by anybody..
also look at the random generator of the liveCD.. make sure that you get good random numbers.
you see a loot too look at to get a secure paper wallet.

and then, make sure if you print the wallet, that the printer is not infected or store the printed files. (some printer do this)




what the meaning of a good random number??? i don't understand, and it's a nice info to know that the printer can store the file printed...thank you verymuch
b-trading (OP)
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November 07, 2014, 05:48:19 PM
 #11

Download the website, and open it offline on a disconnected computer.


that is the best way to create a paper wallet thank you very much, now i have the answer. i have a plan to store my btc in a paper wallet for a long time, may be 3 - 5 years, from now.
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November 07, 2014, 09:49:23 PM
 #12

Paper wallet better than cold storage.

Why is that the case? Can anyone share their opinions on that?
I always consider paper wallet is as safe as cold wallet, as long as they are both created in a safe way.
That's just a post count spammer posting mindless junk. The reason why this forum is becoming useless. I already reported yesterday but they aren't modded to hell yet.

They are in most cases the same thing.

what the meaning of a good random number??? i don't understand, and it's a nice info to know that the printer can store the file printed...
Bitcoin addresses are based on keys that are and must be completely random numbers. Flaws deliberately introduced into or bugs in the implementation of operating system random number generators can reduce your security. Making your own key, i.e. with a brainwallet generator, is a surefire way to generate a nonrandom key weak enough that others can steal your bitcoins.

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November 07, 2014, 09:59:35 PM
 #13

Download the website, and open it offline on a disconnected computer.


that is the best way to create a paper wallet thank you very much, now i have the answer. i have a plan to store my btc in a paper wallet for a long time, may be 3 - 5 years, from now.

Lol, some people who chose not to sell their BTC holdings when the price was around $1000 are regretting big time. It's unrealistic to expect BTC's price to go beyond $500 again. It's overvalued. The bubble's been long overdue to burst.
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November 08, 2014, 04:51:14 AM
 #14

Download the website, and open it offline on a disconnected computer.


that is the best way to create a paper wallet thank you very much, now i have the answer. i have a plan to store my btc in a paper wallet for a long time, may be 3 - 5 years, from now.

you are not alone.
I have done it as you said.
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November 08, 2014, 08:33:01 AM
 #15

bitaddress.org is opensourced a quick inspection of the code shows that no information is send to the server. the owner will not know about your private key.
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November 08, 2014, 09:54:03 AM
 #16

I use and recommend paper wallets.

https://AltQuick.com/exchange/ - Trade altcoins & Bitcoin Testnet coins with real Bitcoin. Fast, private, and easy!
https://FreeBitcoins.com/faucet/ - Load your AltQuick exchange account with free Bitcoins & Testnet every 10 minutes.
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November 08, 2014, 12:03:03 PM
 #17

and keep away your paper wallet from water and fire , you dont want to regret that later.
i have a friend who forgot to take paper wallet from his trouser pocket before he put that to wash machine.
and he remember that after 2 days , so bye bye bitcoin  Tongue
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November 08, 2014, 12:04:31 PM
 #18

Instead of running it on an OS that may already be infected, backdoored, keylogged or screenshotted by a virus or trojan horse you've already got, I would recommend running a liveCD and generating the key there. That way there is no chance of an eavesdropper intercepting the key, and it will not be written to the hard drive accidentally even as memory page file. See the last link in my signature.

but make sure that the liveCD is not infected by anybody..
also look at the random generator of the liveCD.. make sure that you get good random numbers.
you see a loot too look at to get a secure paper wallet.

and then, make sure if you print the wallet, that the printer is not infected or store the printed files. (some printer do this)



Guys you're way too paranoid IMO. Paper wallets are as safe as they get, don't make it even more confusing for the OP. Poor guy !
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November 08, 2014, 02:16:55 PM
 #19

3 copies is better. You should have two backups, plus your original.


Quote
Backing up your laptop to an SD Card in the same laptop is #notabackup
Backing up to a hard drive that is 6 inches away from your computer is #notabackup
Backing up your Gmail to another Gmail account is #notabackup
Backing up your book by copying it to another folder is #notabackup
The photos that are still in your camera memory are #notabackup

3 copies of anything you care about - Two isn't enough if it's important.
2 different formats - Example: Dropbox+DVDs or Hard Drive+Memory Stick or CD+Crash Plan, or more
1 off-site backup - If the house burns down, how will you get your memories back?

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November 08, 2014, 02:46:51 PM
 #20

Yes... Ive been using paper wallet ever since.
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