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Author Topic: HOWTO: create a 100% secure wallet  (Read 275351 times)
Muhammed Zakir
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December 08, 2014, 12:46:45 PM
 #2501

Can someone give a link for a very simply secure paper wallet.
Just getting into cold storage now.
I have played around with bitaddress.org a bit, can i print straight from there then just import private key into my wallet when i want to spend? Into any online wallet? Printer wont be used online afterwards.
I will order one of the Mycelium Entropy next week after reading up on them today, sound pretty cool, not too expensive.

You can create a screenshot and then print it. If you want to send any BTC, try to use Mycelium Android wallet as it deletes all the contents related to that paper wallet after the TX is pushed. Smiley

   ~~MZ~~

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March 18, 2015, 01:17:04 PM
 #2502

How was Trezor (bitcointrezor.com) not mentioned here thousand times already? It's a 100% solution, an offline, standalone signing device. It's open source and it's securing bitcoins by the design of the process alone and not by a smartcard component like ledger wallet.
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March 18, 2015, 01:22:26 PM
 #2503

How was Trezor (bitcointrezor.com) not mentioned here thousand times already? It's a 100% solution, an offline, standalone signing device. It's open source and it's securing bitcoins by the design of the process alone and not by a smartcard component like ledger wallet.

1) Expensive.
2) Not offline(aka cold storage).

Ledger is secure like Trezor. Don't think Trezor > Ledger! Smiley

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March 19, 2015, 10:47:11 PM
 #2504

How was Trezor (bitcointrezor.com) not mentioned here thousand times already? It's a 100% solution, an offline, standalone signing device. It's open source and it's securing bitcoins by the design of the process alone and not by a smartcard component like ledger wallet.

1) Expensive.
2) Not offline(aka cold storage).

Ledger is secure like Trezor. Don't think Trezor > Ledger! Smiley

Exactly. Nevertheless, you can find very informative posts (and links) here on how to create your secure cold wallet. Don't forget to store it in (at least) 3 mediums and in 3 different places. This will give you about 98% probability your funds are secure.

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March 24, 2015, 09:52:01 AM
 #2505

Okay, so, I have a 17 charachter password on my wallet, and all my backups are also encrypted
Though, I'm wondering how to secure myself from keyloggers?
I'm thinking about running linux over a USB drive and using bitcoin only from that OS, however what my problem is, will I have to sync everytime all over again?

Looking for a signature campaign.
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March 24, 2015, 09:59:12 AM
 #2506

Okay, so, I have a 17 charachter password on my wallet, and all my backups are also encrypted
Though, I'm wondering how to secure myself from keyloggers?
I'm thinking about running linux over a USB drive and using bitcoin only from that OS, however what my problem is, will I have to sync everytime all over again?

Best approach is not to make 1 x 100% secure wallet, many x 100% secure wallet.
Use different methods and different medium.
Anybody who stores all their values in one place is a fool.
I have the same opinion for fiat based values:
all the money under the bed = bad idea
all the money in the bank = bad idea
all the money in one stock or bond = bad idea.

Spread out your values, this decrease the risk of loosing all in one blow.

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March 24, 2015, 10:08:13 AM
 #2507

How was Trezor (bitcointrezor.com) not mentioned here thousand times already? It's a 100% solution, an offline, standalone signing device. It's open source and it's securing bitcoins by the design of the process alone and not by a smartcard component like ledger wallet.

1) Expensive.
2) Not offline(aka cold storage).

Ledger is secure like Trezor. Don't think Trezor > Ledger! Smiley

Exactly. Nevertheless, you can find very informative posts (and links) here on how to create your secure cold wallet. Don't forget to store it in (at least) 3 mediums and in 3 different places. This will give you about 98% probability your funds are secure.

buying a hardware wallet does't mean your coins are safer. that's right. i was planning to buy a trezor but didn't do so as it is not offline.
that's why i bought a few thumb drives to store my backups. that's really offline as they are not connected with the net.
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March 24, 2015, 10:14:26 AM
 #2508

buying a hardware wallet does't mean your coins are safer. that's right. i was planning to buy a trezor but didn't do so as it is not offline.
that's why i bought a few thumb drives to store my backups. that's really offline as they are not connected with the net.

I am no expert in trezor, but as far as I have understood the trezor system, is that the whole point that tx signature done on the trezor device, and the private key is isolated from the usb interface.
The application running online have at no time access to the private key, thus making the private key offline all the time.

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March 24, 2015, 11:01:11 AM
 #2509

A secure wallet is a 100% offline wallet IMO:

i'm still thinking that you can get a 100% secure online wallet, you just need a isolated network and a desktop dedicated only to run the client
Muhammed Zakir
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March 24, 2015, 11:07:32 AM
 #2510

buying a hardware wallet does't mean your coins are safer.

True if you buy cheap hardware wallets because such devices have back doors for example Trezor-clones.

that's right. i was planning to buy a trezor but didn't do so as it is not offline.

You don't need to be completely offline to be secure. If you have the knowledge "how to protect your PC", it is enough. However, being offline is better.

that's why i bought a few thumb drives to store my backups. that's really offline as they are not connected with the net.

So how do you spend from it? Import the private key into an online machine and spend? Sign tx and push it from an online PC? Can you please tell?

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March 24, 2015, 11:16:30 AM
 #2511

aiwk171 your guide looks long and complicated, im too lazy for that Tongue

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March 24, 2015, 11:46:59 AM
 #2512

aiwk171 your guide looks long and complicated, im too lazy for that Tongue

same with me Smiley

I use a very simple blockchain.info & 2FA and it is safe Smiley

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March 24, 2015, 11:52:54 AM
 #2513

electrrum + cold storage

or trezor..

and for sure ...multisigs wallets : electrum & trezor do it...  Cool


https://buytrezor.com?a=228c535b2aba

 thanx for the refferal  Wink
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May 05, 2015, 05:11:18 AM
 #2514

aiwk171 your guide looks long and complicated, im too lazy for that Tongue

Your not the only one  Wink
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May 05, 2015, 08:17:02 AM
 #2515

in my opinion it's not so hard to make my secure wallet saves only on blockhain and add google authenticator

 
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May 05, 2015, 08:19:59 AM
 #2516

in my opinion it's not so hard to make my secure wallet saves only on blockhain and add google authenticator

Technically that would be considered a hot wallet.  So it's not the most secure with it being online.

Cold storage is always the most secure.  Assuming it's done properly.
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May 06, 2015, 01:46:03 AM
 #2517

At any rate, yes paper wallets are quite secure. There's also Armory, but I'm not as familiar with how that works.

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May 06, 2015, 03:11:25 AM
 #2518

armory will give you paper wallets to print, and has a good walk through to make a cold storage wallet
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August 16, 2015, 10:48:19 PM
 #2519

Thanks
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August 17, 2015, 04:50:00 AM
 #2520

A secure wallet is a 100% offline wallet IMO:

i'm still thinking that you can get a 100% secure online wallet, you just need a isolated network and a desktop dedicated only to run the client

I am thinking the same way and it is the route I am taking. Fresh install of Linux on a dedicated machine, installed BTC Core and let it sycn up block chain. While it was syncing added firewall rules via IP Tables just to allow what is needed for basic functionality of the BTC client. I will only boot and sync when needed, and have passphrase protected the wallet. I will also keep copies of the encrypted wallet.dat file elsewhere for safekeeping.

If I begin to accumulate enough BTC where I think one wallet is too risky, I can always do the same with multiple machines. I already plan to keep a small amount of day-to-day BTC on my main desktop, so the dedicate box is just for longer term storage and will only need to be fired up on occasion. I suppose I could take it a step further and keep it offline like the guide, but I like the idea to just be able to send the BTC to my "spending" wallet when I have the need, or to easily fire it up and create additional receiving addresses when the need arises.
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