Bitcoin Forum

http://www.btcfeed.net/news/cryptosteel-bitcoin-stainless-steel-cold-storage-poland/

https://i.imgur.com/2nZ9e0r.jpg

Looks pretty cool, but I would carry all my main bitcoin stack on a wallet at home. If they get at home, the least of your worries would be the material the storage is made off. As long as it's digitally encrypted it's all that matters imo.

I like the idea of it being able to be used with multiple coins. I know that with physical coins we can just use the private key of the altcoin but those aren't intended for the purpose of other coins.

it looks really good, but i am afraid it will be too expensive to me

It sounds interesting as an option

It certanly does have advantages over regular paper wallets, since its more durable,not easily destructible,etc.. and i love the design.
The first thing that crossed my mind when i saw the picture was, i must weigh a lot, but it seams that its only ~200 grams weight, which isnt much at all.
I just hope the price dosnt come too high, <50$ seams ok, but anything above is too much and people will look at other products.

cheers

I cannot see them being much more than $20 - $30 which is kind of expensive but you will not need to worry about it being destroyed like a paper wallet and it does look kind of cool if i am honest. There will be many bitcoin guards to come i am sure so we will soon have some competition which will lower the asking price can only be good :) "We set our  target price between a bottle of rum and pair of sneakers."

This metal wallet looks smart. Engraving private keys is not going to work. The best way is to supply multiple sheets of letters and number. The owner insert the letters into the metal wallet himself.

The price is going to be an issue. It is not cheap to produce metal wallets and shipping is not going to be low.

This looks good.
Exactly my though. This could get a lot of orders if the price is right. This is security done right.
This just confirms my thoughts that securing ones Bitcoin will keep getting easier in the future.

This looks pretty awesome!

Your house can burn but your bitcoins still safe. :)

Any word on exact price yet? How do I buy one of these?

Here's the official thread -> https://bitcointalk.org/index.php?topic=977486 (https://bitcointalk.org/index.php?topic=977486)

@Megabyte, @LaudaM, @PolarPoint, @ajareselde, @thejaytiesto, and others: Thank you! It is hard to describe haw happy I am! Last year working hard to find all weak points and make Cryptosteel - “bullet-proof” I am so proud that people like it! AWESOME !!! AWESOME!!!!

We will soon start crowd-founding campaign - the most important thing is to get the feedback form the crowd - this is not a final design, and lots of upgrades are coming!!!
Also we need monies for special tools for our production line.
You will be pleased with the final product, boxing and design!
Just keep an eye on us - and we are open for suggestions and waiting for feedback!
http://get.cryptosteel.com, http://twitter.com/cryptosteel, http://fb.com/cryptosteel

Looks good. 200g probably won't weigh too much especially if you can just insert it into a wallet and it won't crumble easily like what a paper does. The arranging of the private keys part is a bit worrying and I'm not sure how can you make a piece of steel stick onto the other piece. Not sure if the arrangements on the steel plate can drop off easily. Other than this, everything looks pretty cool.

This is sweet.  I always worry about the print fading or smudging on my paper wallet that's in my safety deposit box.  This can almost act as a backup.

http://i1.kym-cdn.com/photos/images/facebook/000/264/200/acb.jpg

Looks great! Will be buying one as long as the price isn't too extortionate ;)

Surprised they only weigh 200g.

this looks so sick.. Looking forward to order :D

cool idea. But if the user put those letters in there my concern would be how do you make sure that they don't fall out if the device get shaken.  dropped etc... it better be freaking tight.  suggestion:  ideally once all the letters are in place the only way to change it would be to first remove a holding piece using a screwdriver.

I don't understand how these types of things are safe when the person who makes them has access to your private keys.

Hi @jonald!
This is image how cryptosteel survive fall from 10 floors + Car crossing + Hammering with 1kg hammer several times... And you can burn it it will not have a singe sign of fading up to 1200 Celsius / 2100 Fahrenheit
We belive that cryptosteel will be an only item untouched after plain crash, or car accident.
This is a SOLID BAR OF STEEL - and it was implemented by Jan Mierzejewski: Heavy Ion Laboratory, University of Warsaw  Ph.D. in Physics.
http://cryptosteel.com/Damage.jpg

Looks really very nice. Can I put this in my shirt pocket and have a .50 cal bullet fly into it? If so, the chances of me buying one just because it's bitcoin related and bullet proof is extremely high.

I like the idea of a stainless steel cold storage, but it is much expensive. A simple paper wallet "guarded" safely is also better and it is "free". Instead the possible cost of that steel cold storage is "... between a bottle of rum and pair of sneakers."  = ~ 150-200 dollars (I suppose).

These people talking about them having access to private keys sent even reading the article lol.

No,no you just get the letter pieces and you arrange them yourself. They are not pre-arranged.

When will crowd funding start?

Sign up for the newsletter,we'll get notified then.

Expensive ones http://nodownloadzoneforum.net/public/style_emoticons/default/Asd.gif, however 20-50 dollars seems a reasonable price and maybe I will buy one of these steel cold storage. A paper wallet is safe if you guarded it safely, like all the other things for example your credit card, your money (if you have a strongbox), etc...

So the letters can be moved around? It does not sound too secure to me. If you just may lose some of your letter later when you break your wallet and spill everything around. Unless they can be arranged only once at first use and they stay in place since then?

Just trying to dispel the myth, all the info I've found says the wallet comes with a card or two of letters and numbers so you punch out your public and private key on your own. The seller of this product has no connection to your address.

Seems pretty cool. But it shouldn't be so small or expensive and they should use gold instead of steel.

Haha, yeah cause gold would enable them to make sure "it shouldn't be...expensive". Hahaha.

If it was gold how many BTC would the address need to hold for you to justify it? Imagine a gold wallet with BTC1.25 in it!

They look really slick, but I don't really understand how this can be safe if there is no backup. Or are you supposed to make 2 identical ones and just keep them at 2 places?

Not sure there is meant to be a back up i believe that is the back up, from the tests it seems pretty indestructible but obviously that is not taking into consideration that it can be lost which would be horrible. Maybe possible to make a paper back up and store in a safety box only to open if you lose the steel cold storage. The price is a little high between rum and sneekers so what about $40-$60 but then what price do you put on security hmmm

Yeah, I think everyone suggests having your public and private key written down in copies in multiple places, that aren't connected to each other (so both can't be compromised at the same time). Perhaps this steel version is the one that sits at home in the safe while others are on thumb drives or paper in safe deposit boxes, etc.

@above

Sure this can be a backup of another wallet, but that would kinda defeat the purpose. My thinking is always, what if my home gets robbed. I still want to retrieve the coins somehow. If that is not possible, I can't use that strategy for storage.

I will use this as a backup to my paper wallet.  Huge advantage over a laser engraved steel card is its reusable.  If you need to sweep your wallet you would have to throw your cryptobit card or bitkee away.  With this you can generate a new address and arrange your letters accordingly.

But then a negative is you can't bip38 encrypt it.

I recommend to diversify types of Bitcoin storage. There is no single solution working all-in-one.

- You can printout a bulk of paperwallets and for a safety reasons keep your Bip38_password within Cryptosteel.
- You can have several copies of paperwallets in different locations, but one StainlessSteel
- It is not clear if Cryptosteel can store a Master Seed - we are exploring this right now.
- You can use a Cryptosteel as a master book of passwords
- You can store any type of sentence you desire even a poem (additional letter-cards will be also available separately)

You can burry cryptosteel, keep it in strong box or safe, but also you can build it into a wall.
If it will save even one person life time savings, I would say, I reach my initial goal.
Keep in mind numbers of lost crypto-coins.

Here is the official thread -> https://bitcointalk.org/index.php?topic=977486 <-

http://cryptosteel.com/Comparsion_chart.jpg

And there should be a silver and platinum option as well.

Why does cryptosteel have "true random numbers" while paper wallets don't? You can use the same process on both, right?

This simply looks amazing. I've been looking for a particularly remarkable physical wallet since Woodwallets stopped operating and I think I've found it!

This is very original, and it's an amazing way to store a private key, no doubts about that. Looking forward to its release.

It is "no-sense" the process to generate an address is *almost* the same, he cannot say "true random numbers" because also the other options have a real generation of numbers. The unique merit of a stainless steel cold storage is "fire, acid and water resistant".

So its just false advertisement?

They look cool and I am thinking of getting one after the price is released but if its close to another trezor, I would rather take an additional of those.

Gold melts at 1,064°C. Stainless melts at about 1,450°C.

I think calme was referring to the store of wealth aspect. Physical bitcoin storage made out of gold is pretty highly demanded in the community.

They can also use an alloy of metals(if they don't already use one). One like "chromium-cobalt" with a melting point of ~ 14500 °c , the cost will be the same (maybe a little high).

@Hfleer,
True Random Numbers: Yes, you can, just mix-up all provided letters in a hat (over 216 bricks will be enough even to build a Master Seed) - and pick it up. You can make true random lottery.


@calme, @StevenS
My advice is to not flaunting with Cryptosteel. But choice is yours. Gold one, Platinium? No problem - I can do it, you have my word.  I have over 15 years of experience in metalworks - form goldsmithing to blacksmithing. 

Follow us:
http://get.cryptosteel.com, http://twitter.com/cryptosteel, http://fb.com/cryptosteel

Okay but how can you go through an airport scanner with this thing in your pocket during your holiday vacation is the big question 8)

Yep I was wondering the same thing. Tough to stop those guys from going through your stuff, and snapping a picture of the code to rob you when they get home.

It suppose to be a cold storage, you should  not go around the city (for example) with that piece of steel in your pocket.  Indeed I think this type of cold storage should be used to store bitcoin for a "long time" and in a safe place.

These look amazing! Love the design. Would love to own one someday.  :D

No they don't. Only you have access to your private key, you are the one who assembles the letters in order, not the manufacturer.

One question with that. BTC addresses have checksums. Don't private keys too? How do you do that manually than?

You have a seven step guide here, it's easy:
https://en.bitcoin.it/wiki/Wallet_import_format (https://en.bitcoin.it/wiki/Wallet_import_format)

There are also several offline utilities to do it securely, but you should not choose your private key arbitrarily in the first place. You wallet can export the private key in WIF format doing all that work for you.

Just playin' around. A lot of ppl take pride in saying what they mean and meaning what they say. If that's what they're into then right on.  ;D

Ok that is good. Because in the description it sounded like you shuffle those pins around in a sack and then just pick one after another and put it in. That can't work...

;)

I also agree with your point on adding a gold version. I would love something like that. Functional gold.

all those fancy thing are only good to makes you lose money, i prefer to store them in my desktop sincerly..


they could brute force those arrangement?

I prefer a paper wallet instead a 'Stainless Steel Cold Storage' ::) but this is only my useless opinion. However can you determine and tell us exactly how much it will cost (in dollars)? Will you ship worldwide?

Only noticed this now, and I see it hasn't been posted here, these guys have a new video :) https://vimeo.com/122551397

There's nothing to brute force, they never get to know your key. Look at it this way: they sell you a pencil (made of steel) with witch you write down your key. What is written down doesn't know anyone but you, and it is not literally a pencil but a set of numbers and letters to arrange them as you want.

It's amazing how people misunderstand what is this all about, they are obviously not doing a good job explaining their product.

So they have access to your private keys???????

I don't think so. They send you the things needed to put your private key on the steel "plate", it doesn't come "pre-assembled".

This was already answered several times.

I will buy one for sure. Great idea.

Any idea when will those wallets be available? So price will be around  $30?

Ah, that's so cool.

Hello,

All yours positive feedback encourages us so much!
Corowdfounding campaign for Cryptosteel will start very soon. We are building a list of rewards, and perks.

Yes, we will ship worldwide. (We are calculating now shippment and duty).

Please sign up for mailing list at http://get.cryptosteel.com and we will be in touch!

Oficial BitcoinTalk thread -->https://bitcointalk.org/index.php?topic=977486

Video Explainer --> https://vimeo.com/cryptosteel/explainer

Thank you All!

Thanks for the video, but a lot of users want to know this : what is the price of that "wallet" ? This is the interesting thing that everyone want to know. Maybe I will buy one of this Stainless cold storage (as gift to my girlfriend).

Indiegogo crowdfunding campaign just launched! "Cryptosteel: The Ultimate Cold Storage Wallet"

https://www.indiegogo.com/projects/cryptosteel-the-ultimate-cold-storage-wallet

Our goal is to raise $8000.  Your generous support can make that goal attainable. Any contribution is appreciated and no amount will go unnoticed.
Thanks and I look forward to sharing my project experiences with you.

http://www.cryptosteel.com/indie66-panorama.jpg

To counter needs of our users we have just opened a pre-sale InDemand option at Indiegogo!
http://igg.me/at/cryptosteel

More essential announcement are coming soon:
please check out our main thread:
https://bitcointalk.org/index.php?topic=977486

Good luck with your kickstarter, it's always nice to see Bitcoin related projects, even tho I will stick with a paperwallet, I don't have enough BTC to worry that much about next level cold storage.

Pretty awesome product, if I'd seen this a week earlier I would have placed an order. I've literally after much deliberation just ordered a Trezor last night. This is cheaper too :( .

I'm a very paranoid person regarding my BTC & I can tell you guys this is an awesome cold storage method. I'm very impressed, good luck to the developer/owner.

wow thats a really cool bitcoin, im looking forward to it though i dont have enough bitcoins to store in it, most probably i wont buy it

Are you offering any incentive to contributors of your Kickstarter campaign (i know it's not typical)? Providing a cold storage wallet if people contribute the sale price or greater may help you lock in orders and revenue faster.

Great product, would love to have one!