🔥Seedkeeper🔥 Hardware device to safely store your seed - V2 incoming... - page 2.

SFR10

legendary

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Quote from: n0nce on May 14, 2022, 08:20:51 AM

It's just a pity that while the device itself is as slim and inconspicuous as it gets, you always need a bulky reader to actually use it.

You have a point, but you can also use it with laptops that already have built-in NFC chips.

Quote from: Chikito on May 14, 2022, 07:01:13 PM

What material? SS304, Titanium, or PVC (ATM Card)?

It uses "several plastic PVC layers ^{[it's in the latter part of the page]}".

Quote from: Chikito on May 14, 2022, 07:01:13 PM

how to restore when forget PIN CODE?

Since they put an emphasis on memorizing it correctly, I strongly believe there's no way to achieve such a thing.

m2017

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Quote from: Tibu on May 09, 2022, 04:58:07 AM

- A piece of paper can be easily lost, damaged or destroyed;

Your card can't be lost, damaged (have you tested the influence of electromagnetic fields and other influences of the surrounding world on the safety of information on the memory module) or destroyed (how is a plastic card better protected from burning compared to paper?)

Quote from: dkbit98 on May 09, 2022, 11:32:14 AM

I do like standard credit card format, that won't bring much attention from other people.

I would add here the ability to randomize the appearance of card. For example, to apply an image as a gift or to give the appearance of a bonus card of any store in order to disguise it.

The way information is stored on a similar map makes me once again think that there is no ideal way to store seed-phrase. There will always be vulnerabilities in any method and the choice of how to store it, for example, on paper, metal or such a card, will depend on your goals and preferences. It is possible that some investors will want to store their seeds on such cards.

Pmalek

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Quote from: Chikito on May 14, 2022, 07:01:13 PM

Is available for storing besides BIP39 seed such as Electrum seed?

I don't see why not. I doubt the Seedkeeper checks the validity of the seeds, and it really shouldn't. Especially those you import yourself. Look at it as a paper wallet where you can write down anything you want. If you write the words down correctly, you are good. If not, you might lose your coins if you didn't make a simple mistake that can be solved by bruteforcing.

Chikito

legendary

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I just see this on my local board, Husna sharing this tool, I still don't know how it work, when the function still uses electronics as media for storing the seed, is that function can still be hacked from the internet even if it is offline?. (cookie, history and etc)

Is available for storing besides BIP39 seed such as Electrum seed?, because when I read how-to, there is generate a random seed, when different seed (electrum) from the default (BIP39), I doubt it will generally not as usual and make the confused when use for restoring it.

What material? SS304, Titanium, or PVC (ATM Card)?

how to restore when forget PIN CODE?

Quote

Your Seedkeeper card is protected by a PIN code: a 4-16 characters password used to unlock it

n0nce

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Quote from: Pmalek on May 12, 2022, 12:59:22 PM

Quote from: dkbit98 on May 09, 2022, 11:32:14 AM

One potential problem I see with Seedkeeper is that it can only work with Seedkeeper Tool

That's a good point. One might ask what would happen if the Seedkeeper tool or Satoship as a company isn't around in a few years? How do I get access to my seeds Tibu?

The software appears to be open source: https://github.com/Toporin?tab=repositories
So you could download, compile, modify and even write your own software to interface with it, I suppose. It's probably a very standard Java Card so you might even be able to use other Java Card software as well.

Quote from: Pmalek on May 12, 2022, 12:59:22 PM

Quote from: dkbit98 on May 09, 2022, 11:32:14 AM

and only protection is short PIN code that could be hacked in theory.

You can use up to 16 characters, so it's not that short. And there is really no protection of the words if your seed phrase is written down on paper or engraved in steel or wood either. You can use a passphrase though with your standard paper wallet or the seed you store in your Seedkeeper.

I see this as a less safe version of a laminated paper backup (since it can be damaged by heat, cold or radiation), but maybe a bit more convenient. Though I wonder how often you make and restore seed words backups (probably not very often). However I do like the other products Tibu makes and will probably try Satochip in the future. Indeed, it's much more stealthy to carry around a regular card instead of a bulky hardware wallet and it might be a replacement for the software wallet I use for on-the-go payments. It's just a pity that while the device itself is as slim and inconspicuous as it gets, you always need a bulky reader to actually use it.

Pmalek

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Quote from: dkbit98 on May 09, 2022, 11:32:14 AM

One potential problem I see with Seedkeeper is that it can only work with Seedkeeper Tool

That's a good point. One might ask what would happen if the Seedkeeper tool or Satoship as a company isn't around in a few years? How do I get access to my seeds Tibu?

Quote from: dkbit98 on May 09, 2022, 11:32:14 AM

and only protection is short PIN code that could be hacked in theory.

You can use up to 16 characters, so it's not that short. And there is really no protection of the words if your seed phrase is written down on paper or engraved in steel or wood either. You can use a passphrase though with your standard paper wallet or the seed you store in your Seedkeeper.

dkbit98

legendary

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Tibu can you tell us how exactly is Seedkeeper different from Satochip or Satodime cards?
If I understand correctly this is alternative option for storing and writing seed words on paper or metal.
One potential problem I see with Seedkeeper is that it can only work with Seedkeeper Tool, and only protection is short PIN code that could be hacked in theory.
I do like standard credit card format, that won't bring much attention from other people.

Tibu

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Hardware and open source software solutions.

Main Satochip topic : https://bitcointalksearch.org/topic/satochip-hardware-wallet-on-smart-card-usbnfc-5181719
This message was edited on the 20-nov-2023 with new visuals and description.

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Seedkeeper
Use the right device to store your seedphrase
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Preambule

Satochip is proud to release its new product: Seedkeeper.
Seedkeeper is a smartcard device that can be used to securely store seeds and other sensitive data for long term protection.

Traditionally, cryptocurrency users have used a simple pen and paper to keep a backup copy of their hardware wallet seed.

While this simple method works relatively well, it has also signifiant drawbacks:

- A piece of paper can be easily lost, damaged or destroyed;
- The seed is usually written in plaintext, since encryption is not practical.

With a Seedkeeper, seeds are stored in the smartcard secure memory and can only be accessed by their legitimate owner using a short, easy-to-remember, secret PIN code.
Seedkeeper is easy to use yet powerful; it is robust yet affordable; and last but not least, it is completely open-source.

https://satochip.io/product/seedkeeper/

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Overview

On a basic level, here are the main actions you can perform on a Seedkeeper:

- Import an existing seed on the Seedkeeper;
- Generate a new (random) mnenomic with the tool and store it on your Seedkeeper card;
- Generate a new (random) masterseed directly on the Seedkeeper;
- Export a seed stored in the Seedkeeper to setup a new Satochip hardware wallet.

A Seedkeeper can store several seeds in its secure memory (up to a dozen).
A label can be attached to each seed stored in secure memory. This can be used to provide a short description (in less than 128 characters).

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Advantages

Seedkeeper:
- is protected by a PIN code (up to 16 chars);
- is affordable;
- is NFC ready;
- can support several seedphrases and other secrets;
- is trustless;
- is open-source.

BIP39 compliant

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How-to

Seedkeeper is really easy to use.

1) Connect it to your laptop by NFC or using a chip card reader.
2) Download the Seedkeeper tool and launch it.
3) Initialize your card with a PIN code.
4) Use it...

Get the complete information here: https://satochip.io/setup-use-seedkeeper-on-desktop/

Multi-slots available

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Usecases

Seedkeeper allows you to cover numerous usecases, including:
- if you want to store your seedphrase in a safe place;
- you can make multiple cards backup using different PIN code and give a Seedkeeper card to your best-friend, your mom or store one at the bank vault;
- easy solution to share your crypto-assets and seed stuffs if you pass away Cry

, just write the PIN code of your Seedkeeper on your testament.

Solve your crypto inheritance problem with Seedkeeper

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You can grab your Seedkeeper now at https://satochip.io/product/seedkeeper

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Contact

Telegram: https://t.me/Satochip
Twitter: https://twitter.com/satochip
Website: https://satochip.io
GitHub: https://github.com/Toporin
Youtube: https://www.youtube.com/channel/UCPmmfB5PpuwMtha9mbaRNlg

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