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Questions tagged [hardware-wallet]

A hardware wallet stores one's private keys in a secure hardware device.

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60 views

Bitcoin on a cloud-based hardware security module (HSM) by AWS

As far as I know AWS does not support the secp256k1 on their cloud-based hardware security module (HSM) called CloudHSM. Gemini is using CloudHSM for their hot wallet. How is it possible to ...
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1answer
24 views

Review sites for the hardware wallets? [closed]

As I understand it there are four (4) hardware wallets produced currently (2018). Which businesses, web sites, or academic papers in the field review and compare the security of these devices? Is ...
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2answers
95 views

If anyone with your seed phrase can generate your wallet private keys, what is the advantage of a hardware wallet?

When you start using a cryptocurrency hardware wallet, you get to write down a seed phrase in some physical medium (paper, metal, etc.) so you can regain access to your funds if you lose the hardware ...
3
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2answers
266 views

Does Bitcoin have a physical equivalent like US dollars do?

I can send US dollars electronically and they get recorded electronically at my bank. However I can also get a piece of paper to represent different amounts. For example, my bank will give me a '...
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1answer
53 views

How does my hardware wallet know what my “account” balance is?

There must be a request to wallet provider's server with full node where they will check it. But what is sent?
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1answer
182 views

Can the Large Bitcoin Collider project 'break' into offline hardware wallets like the Nano Ledger S?

Let's say the Large Bitcoin Collider manages to guess the private key of a particular Nano Ledger S. Can they then 'spend' or 'steal' the Bitcoins on the Nano or 'send' them to another wallet?
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1answer
45 views

Possibility of hardware wallets being 'unsupported' in the future?

I was reading online about getting a hardware wallet/vs a paper wallet, and some comments online were mentioning that "Tech changes so quickly that in 16 years the hardware wallet might be completely ...
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1answer
661 views

How are Ledger Nano S private keys protected?

I've read quite some material but it boils down that there "is a chip" on Ledger Nano S and the private key never leaves it. But what I would like to know is the following. Is it encrypted? If so, ...
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1answer
27 views

Is a Trezor hardware wallet dependent on wallet.trezor.io?

A review of the Trezor hardware wallet says: In order to access your coins, you would simply do so by connecting your TREZOR to your computer and power up the TREZOR wallet interface at https://...
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0answers
18 views

How can I set up a phone to be my offline wallet?

I have old Android/iOS devices and I want to set up one of them to be my offline bitcoin wallet. I will make the device offline (flight mode), and fully encrypted with a strong password. I hope ...
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1answer
29 views

General-Purpose Hardware Wallet

Fundamentally, crypto-currency hardware wallets are just devices that securely generate public/private key pairs, and sign input data when approved using a password and physical approval mechanism, ...
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2answers
311 views

What is the 25th word in a mnemonic seed when used on a ledger nano s?

By default ledger nano s generates a 24 word mnemonic. What is the 25th word feature? Is the the passphrase they are talking about?
3
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1answer
387 views

How to get Ledger Nano S to work in an Ubuntu VirtualBox?

I installed the ledger manager on Ubuntu VirtualBox, but I can't see any of my USB devices. My host OS is Windows 10. How do I get this to work?
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1answer
55 views

What are those bitcoin mining hardware doing 24/7? [closed]

What are those hardware doing? Which open-source or closed source software to use on those? I want to buy one of those hardware for my learning and programming. Any advise?
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3answers
63 views

Is it 'safe' to store hashed values of my mnemonic seed phrase on my computer?

I am setting up my hardware wallet, and have written down my mnemonic seed phrase physically, but also want a way of accessing it from my computer. If I add all the seed words together, and hash it ...
0
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1answer
48 views

P2SH in Hardware wallet?

I am designing a hardware wallet and the software that will work with it. I plan to provide P2PKH transactions support in the software for hardware wallet to sign. Is it mandatory to support P2SH ...
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1answer
724 views

Bought a used ledger nano s from Amazon / Ebay. How do you factory reset the Ledger Nano S?

I just bought a used ledger nano s from amazon and ebay. What is the best method of wiping this device and factory reset it? What are some other precautions before using this used device?
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2answers
143 views

What will happen to my bitcoin if my Ledger or any bitcoin hardware wallet will damaged?

I want to buy a hardware wallet for storing bitcoin because it is safe than an online wallet but at the same time, I am thinking that what will happen to my stored bitcoin if my hardware wallet ...
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0answers
16 views

Sendig bitcoin created before the fork of aug 2017

Does anyone have any experience sending bitcoin, prior to the hard fork of August 2017 to a nano S adress. Is the nano S able to make the split between BCH and BTC?
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1answer
230 views

Lost ETH due to faulty QR code on Ledger Nano S

I was transferring ETH from my Coinbase app to my Ledger Nano S. I used the QR code generated by the Ledger Ethereum Chrome app and it scanned fine. The funds, however, never reached my account. When ...
0
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1answer
193 views

Is it possible to design a hardware wallet that can allow operation of a routing Lightning node with the security level of a hardware wallet?

I'm wondering if its possible to design a hardware wallet such that it can be used for a Lightning node that routes payments for their channel partners such that their funds can never be stolen even ...
1
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1answer
103 views

Can I use a single Hardware Ledger for multiple coins

I am about to buy a hardware ledger to store my coins but I was wondering if I would be needing one ledger per coin I own or if one can hold all or some.
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0answers
40 views

bitcoin transaction using nano ledger s

Using nano ledger creating new bitcoin transaction using js lib var btc = new ledger.btc(comm); btc.getWalletPublicKey_async("44'/0'/0'/0").then( function(result) { console.log(result);})....
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1answer
73 views

Hardware wallet without a hardware wallet

I want to do some research in order to purchase a hardware wallet. Until I have decided what to do, I would like to transfer my bitcoin balance out of the exchange that I am currently using. I want to ...
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0answers
85 views

Import brainwallet into hardware wallet

I would like to generate a Brain Wallet here. Can I import that wallet (using the passphrase for example) into one of the commercial hardware wallets?
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0answers
459 views

Recovering BCH sent to BTC Ledger Nano S Wallet

I've looked at existing relevant threads, but still I didn't got the right solution for my situation, so raising this request. This case is perhaps somewhat different because it relates specifically ...
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1answer
939 views

Sending Bitcoin between paper wallet and hardware wallet offline

Good morning, I'm just beginning this journey into crypto currencies. Right now, I've got my Bitcoin in a wallet at Coinbase. I'd like to keep my Bitcoin in a paper wallet. I think from Coinbase to ...
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1answer
518 views

Using a dedicated phone as “hardware wallet”

Is there anything inherently insecure about using a dedicated Android phone as a "hardware wallet"? A dedicated phone implies: a clean ROM without gapps, i.e. Lineage OS without root full phone ...
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0answers
341 views

Unable to send raw transaction: mandatory-script-verify-flag-failed

When I send a raw transaction I get an error: 16: mandatory-script-verify-flag-failed (Signature must be zero for failed CHECK(MULTI)SIG operation) Raw transaction that I send: ...
4
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1answer
3k views

Testing Ledger Nano S wallet seed

Can I test that I've correctly recorded the seed by "restoring" my wallet in a desktop wallet like Electrum by using the seed given to me by my Nano S? It would mirror my hardware wallet, correct? ...
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0answers
205 views

How to get a VanityGenerated public address for a hardware wallet? (Ledger Nano S)

I recently bought a Nano Ledger S and have not opened or set it up yet. I read that you can use a VanityGen to create a Vanity public address. How would I do this for my Nano Ledger, if I want to make ...
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2answers
244 views

Hardware wallet - Claiming forked currencies

I'm considering purchasing a hardware wallet for my cryptos (ledger or trezor) and was wondering how one might claim a forked crypto if these devices don't provide the private keys or add support for ...
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0answers
54 views

Cold storage, transferable to hardware wallet

As far as I understand, hardware wallets generate a deterministic key space using standard algorithms: starting with a (random) passphrase (and more security tokens?), they are able to rebuild the ...
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1answer
135 views

How to develop and then sell my own Bitcoin Hardware Wallet? [closed]

Okay so basically I have a good idea for a bitcoin hardware wallet, i'm just looking for information on how to go about creating it? Do I need to create my own programs/programming for literally ...
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1answer
313 views

How can I use a hardware wallet with a pool

This might be a totally dumb question but I am trying to understand bitcoin mining, I hope I am bearable. I am trying to figure out if I can use a hardware wallet with a mining pool. I have an ...
3
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1answer
619 views

What happens when a hardware wallet, like Trezor, suffers a hardware damage?

What happens when my hardware wallet e.g. http://trezor.io stops working? It would be great if someone could outline the procedure. And if there are multiple ways I would like to compare by ...
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1answer
402 views

Trezor; How is it true cold storage if their is a recovery seed?

I don't understand how a Trezor is considered cold storage if you can lose it, and then recover your keys through their recovery seed and another Trezor. Where are the keys coming from? Where are ...
2
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1answer
1k views

Is there a cold storage option for altcoins?

Is it possible to create a paper wallet for altcoins offline and send your altcoins there? I can only buy altcoins from online exchanges like bitrexx but I feel it's really risky to keep large ...
2
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4answers
489 views

Encrypting wallet manually instead of using hardware wallet

i am new to this community and like to know why one should prefer a hardware wallet instead of using encryption algorithm like AES-256 along with PKDF2 to secure crypto wallets ? i currently hold btc ...
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2answers
672 views

Can I send bitcoin from paper wallet directly to hardware wallet?

Can I send bitcoin from my paper wallet to my hardware Ledger wallet without using blockchain wallet?
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5answers
3k views

How to make totally secure Bitcoin transactions?

So, I'm wondering if my system of protecting my bitcoin is totally secure. If I have an old laptop, and I boot into tails linux from a flash drive, and download electrum on there, and only ever ...
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1answer
40 views

Restoring a hardware wallet

Sure this asked many times before and is available but I cannot find it! I understand that all that is stored on a hardware wallet is private and public keys etc. My lack of understanding arises when ...
5
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2answers
8k views

How to know balance in Ledger Nano S?

Ledger wallets have a single static address where to send BTC to, but when looking at the details of the transactions, it is always recorded as different receiving addresses. Looking up the static ...
3
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1answer
335 views

How do Bitcoin Altcoin Hardware wallets work?

From my understanding the hardware wallet contains your private key inside the device. When using a hardware wallet, the gui wallet on the computer or phone creates the transactions, but does not ...
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0answers
108 views

What is the easiest way (user experience wise) to get xpub?

I'v got monitoring app going for my hardware wallet and am planning to release it to public. Biggest pain point right now is asking users to enter their xpub key. It can be done, but there is no ...
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1answer
847 views

Importing BTC/BCH into Ledger Nano S

Can and how does one import a paper wallet (private key) that contained BTC before the hardfork and now BCH as well into a ledger nano s to split them? Or do they have to be split in another wallet ...
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0answers
1k views

Unconfirmed, and now dropped transaction, from Blockchain

Forgive me for my ignorance, but here's my situation. Sent transaction from Nano S to GDAX address with zero fee Transaction was unconfirmed for 3+ days Transaction is now 'not found' and 0 BTC ...
2
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2answers
278 views

Hard drive failure

I want to store my bitcoins into a server into a datacenter and access it via SSH/VNC. The problem here is: If the hard drive gets destroyed/fails/gets problems, how do I recover my bitcoins? A ...
2
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1answer
1k views

How can I accelerate confirmations in ledger nano s?

I am using Ledger Nano S hardware wallet to store my bitcoins. Last week, for an experiment, I decided to send bitcoins to hitbtc currency exchange with zero btc fees. I was wondering how many hours ...
3
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2answers
849 views

BIP39 hardware wallets

Can I migrate from a trezor to a ledger nano s just by using my BIP 39 word list? It is ok to use a duplicate hardware wallet? I assume it is, but would like to hear your opinion.