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Author Topic: [WTS] BIP38 cold-storage wooden cards to protect your bitcoin - 10% off  (Read 9238 times)
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June 09, 2014, 02:20:46 PM
 #41

thank you for joining the conversation Wink  I Xpost my questions for you :

Quote
[from that file] Can you read it[the seed] and send it to physical wallet manufacturer?
Is it easy to un-encrypt it when you need it? Wink

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June 09, 2014, 02:24:47 PM
 #42

Cross post
http://www.reddit.com/r/Bitcoin/comments/27ot5c/before_writing_down_the_electrum_seed_anywhere/ci2wozo
Quote
Whilst I believe Bippy is open source there is no reason at all to trust a third party.
Electrum already AES encrypts your seed (if you password protect it) and stores it in the the wallet file.
https://electrum.org/faq.html#wallet-file
In my case the encrypted seed is an 88 character string.
So, I could just get that AES encrypted seed from my wallet file and use that, correct? Only thing I need to do is decrypt it with my password if I want to use it. Right?

.
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Mitchell
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June 09, 2014, 06:58:23 PM
Last edit: June 09, 2014, 07:35:25 PM by bitcoininformation
 #43

thank you for joining the conversation Wink  I Xpost my questions for you :

Quote
[from that file] Can you read it[the seed] and send it to physical wallet manufacturer?
Is it easy to un-encrypt it when you need it? Wink
I have found my encrypted seed. Trying to decrypt it now Wink
EDIT: Still working on decrypting it. Quite hard...
EDIT2: I give up, no idea how to do this. I know how it's encrypted AES-256-CBC, but I can't figure out how to decrypt it.

.
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June 09, 2014, 07:11:55 PM
 #44

I have given some though to this exact idea - wooden cards like that, or maybe aluminum because that's nice too and I know a nice way of working it... but this looks better than anything I could have dreamt of. Congrats, these are one of the coolest Bitcoin items I've seen, on par with the nicest looking Casascius coins.
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June 09, 2014, 07:48:19 PM
 #45

]I have found my encrypted seed. Trying to decrypt it now Wink

Edit
I've just seen your updates on your post bitcoininformation. Would it be good if bippy could AES-256-CBC decrypt an Electrum encrypted seed? I could certainly look into that as a feature.
/Edit
 
I'd be interested to hear your experience with this. I only started to investigate Electrum when the possible need for a wood-wallet was raised. I could see that the seed was available in the wallet file but the instructions to get it were, I felt, a little unfriendly to a newcomer. It's worth pointing out too that the way Electrum handles seeds seems to be changing in version 2 (see rdymac's reply to AussieHash on reddit)
That said, bippy isn't particularly newbie friendly in its current form (ensure you have Python installed, download and run kivy, clone a git repo and run a program etc.). We are working on that though and should soon be able to offer single file executables so that it becomes very easy to run.

The reason we haven't done this so far is to try and counter the argument put forward by AussieHash. He quite rightly points out that trusting a third party with your private key or electrum seed details is risky. Both bippy and my other project inuit are fairly new and not as mature as say Electrum or Armory. They and I don't have the level of trust that these older projects have and rightly so. I hope, however that by being open, accountable and known, we can start to earn trust and gain acceptance and use in the community. Once we have that trust we can deliver an easier experience through compiled code.
Bippy isn't particularly complex and I have tried to comment the code as best I can. I would ask that, if you are interested, you give it a read and see what you think. I'm happy to answer any questions and will take all comments and criticisms on board.

To my mind, bippy wins over similar tools such as bitaddress.org in a few ways. First, it can generate keys and addresses for multiple (45+) currencies, it can now handle Elecrtum seeds and encrypt them and I'm working on the intermediate code version of BIP0038. Most importantly though, although bitaddress.org is open source and is very very good (I've read it lots), it still relies on a third party web browser to display your keys, do the encryption and receive input. I know you can 'clear' a browsers cache but I know that I have never delved into a browsers code to see what it is actually doing. It seems like a weak point to my mind. Bippy doesn't need a browser so there isn't that reliance on a massively complicated bit of code written over a long time by multiple people.

Bippy will run fully offline and I totally recommend that you do just that. Boot up a Linux Live CD or USB, install bippy, encrypt your seed, write the encrypted code down and then reboot. Bippy never gets to see the internet and your seed is never exposed in a form that isn't password protected.

I do hope that Bippy becomes useful. It is a fun project and I will continue to work on it. Nico is a great guy too and it's a real pleasure being involved with something as aesthetically pleasing as wood-wallets
In answer to kuverty; A wood-wallet really is a thing of beauty. I took delivery of my first several weeks ago and I have been showing everyone since. It is wonderfully tactile and smells great. Everyone who has seen it has wanted one and 90% of them know very little about Bitcoin so it is a great conversation starter.
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June 09, 2014, 08:28:03 PM
 #46

I have given some though to this exact idea - wooden cards like that, or maybe aluminum because that's nice too and I know a nice way of working it... but this looks better than anything I could have dreamt of. Congrats, these are one of the coolest Bitcoin items I've seen, on par with the nicest looking Casascius coins.

I am flattered . You should thank the designers (Isacco and Dan who know how to make simplicity look good Wink

Bitmessage : BM-NAx31aEiqeq5zKUtxhKscXQ7Dwn1jJfR
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June 09, 2014, 08:38:37 PM
 #47


To my mind, bippy wins over similar tools such as bitaddress.org in a few ways. First, it can generate keys and addresses for multiple (45+) currencies, it can now handle Elecrtum seeds and encrypt them and I'm working on the intermediate code version of BIP0038. Most importantly though, although bitaddress.org is open source and is very very good (I've read it lots), it still relies on a third party web browser to display your keys, do the encryption and receive input. I know you can 'clear' a browsers cache but I know that I have never delved into a browsers code to see what it is actually doing. It seems like a weak point to my mind. Bippy doesn't need a browser so there isn't that reliance on a massively complicated bit of code written over a long time by multiple people.

Bippy will run fully offline and I totally recommend that you do just that. Boot up a Linux Live CD or USB, install bippy, encrypt your seed, write the encrypted code down and then reboot. Bippy never gets to see the internet and your seed is never exposed in a form that isn't password protected.

I do hope that Bippy becomes useful. It is a fun project and I will continue to work on it. Nico is a great guy too and it's a real pleasure being involved with something as aesthetically pleasing as wood-wallets
In answer to kuverty; A wood-wallet really is a thing of beauty. I took delivery of my first several weeks ago and I have been showing everyone since. It is wonderfully tactile and smells great. Everyone who has seen it has wanted one and 90% of them know very little about Bitcoin so it is a great conversation starter.


Thanks Sam, I can't stop repeating how lucky I was by finding inuit and begin the collaboration with you Wink


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June 11, 2014, 12:29:12 AM
 #48

So, I could just get that AES encrypted seed from my wallet file and use that, correct? Only thing I need to do is decrypt it with my password if I want to use it. Right?

There is no need for you to decrypt the string.

You can read your encrypted seed from the wallet text file. Once you have safely recorded the string you could either shred the wallet file, or save a copy with the seed field blank, then shred the original. To restore the seed you would QR import/Paste the seed back into your copy of the wallet file, and open it with electrum
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June 11, 2014, 12:33:07 AM
 #49

thank you for joining the conversation Wink  I Xpost my questions for you :

Quote
[from that file] Can you read it[the seed] and send it to physical wallet manufacturer?
Is it easy to un-encrypt it when you need it? Wink

Yes the encrypted seed is just a string of characters in a text file. As long as the cold wallet manufacturer allows you to laser a string of that length (88 chars in my case)
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June 11, 2014, 12:50:50 AM
 #50

thank you for joining the conversation Wink  I Xpost my questions for you :

Quote
[from that file] Can you read it[the seed] and send it to physical wallet manufacturer?
Is it easy to un-encrypt it when you need it? Wink

Yes the encrypted seed is just a string of characters in a text file. As long as the cold wallet manufacturer allows you to laser a string of that length (88 chars in my case)
cool, and to decrypt it?

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June 11, 2014, 12:52:46 AM
 #51

cool, and to decrypt it?
Paste/QR import it back in the wallet file
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June 11, 2014, 01:06:21 AM
 #52

Will b ordering soon! Thanks for electrum support!

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June 13, 2014, 03:52:59 AM
 #53

Are these fireproof?
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June 13, 2014, 02:47:46 PM
 #54

Are these fireproof?

Not a chance.

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June 13, 2014, 03:21:50 PM
 #55

Quote
Edit
I've just seen your updates on your post bitcoininformation. Would it be good if bippy could AES-256-CBC decrypt an Electrum encrypted seed? I could certainly look into that as a feature.
/Edit
That would be good, as long as I can double check the source. Grin
To be honest, I will most likely get more people to check it for me, since Python isn't a language I have mastered. I know the basics and that's about it.

.
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June 13, 2014, 03:36:40 PM
 #56

The anticipation is killing me. Tongue

Shipped 8 days ago.

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June 13, 2014, 03:55:11 PM
 #57

Are these fireproof?

nope they are not. Treating wood for increasing its resistance to fire ain't easy nor cheap. You have to try hard not to set your whole place on fire Wink

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June 13, 2014, 03:56:20 PM
 #58

Are these fireproof?

nope they are not. Treating wood for increasing its resistance to fire ain't easy nor cheap. You have to try hard not to set your whole place on fire Wink

US can take 14 days. Please consider it was holiday in Spain last week and had some delay in shipping

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June 13, 2014, 06:10:36 PM
 #59

Are these fireproof?

nope they are not. Treating wood for increasing its resistance to fire ain't easy nor cheap. You have to try hard not to set your whole place on fire Wink

US can take 14 days. Please consider it was holiday in Spain last week and had some delay in shipping

Just received it in the mail!




Thanks advanced! Let me know what you think about the pics (:

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June 13, 2014, 07:09:55 PM
 #60

I wish the spacing between the letters on "PUBLIC" was the same as the spacing on "Address" ... love the rest of the design but that different spacing between characters all on the same line just looks wrong. Just my opinion.  Tongue

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