Questions tagged [hardware-wallet]

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

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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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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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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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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 ...
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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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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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548 views

Recovering BCH sent to BTC Ledger Nano S Wallet [closed]

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
1k 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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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, e.g. GrapheneOS, Lineage OS without ...
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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: ...
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1answer
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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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1answer
315 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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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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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
156 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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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 ...
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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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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 ...
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Is there a cold storage option for altcoins? [closed]

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 ...
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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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4answers
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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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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
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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 ...
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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 ...
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1answer
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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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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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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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What is the security and trust model of an Opendime?

Opendimes use some entropy on the device in combination with some entropy added by the owner to generate private keys directly on the device. Until the device's seal is broken, it is claimed to be ...
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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 ...
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1answer
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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 ...
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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.
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Hardware Wallets vs second mobile or airgapped computer

What are the advantages of a hardware wallet vs an airgapped mobile phone or computer? It is the memory quality so much different from a good RAID? How are people with multiples of coins and over 100k ...
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Create paper wallet [duplicate]

Which method do you suggest? I saw a video on youtube where somebody used bitaddress.org, but this video is quite old. Any ways you can suggest? Frido
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How can I verify the authenticity of a ledger Nano s hardware wallet?

If I buy a Ledger Nano s hardware wallet online from Taobao in China is there any way I can verify it's authenticity? Is there a way to test the firmware etc to make sure it hasn't been tampered with?
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Any plans for Bitcoin Core app to integrate Hardware Wallet support?

So I could use the full node and wallet easily integrated with a HW wallet and avoid security exploits? Recently had a case of someone that had all his wallet stolen probably because of a keylogger - ...
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What is deterministic validation for hardware wallets?

On bitcoin.com, they mention that the Ledger Nano hardware wallet "while not open-source, .. can be deterministically validated." https://www.bitcoin.com/choose-your-wallet/ledgernano What does this ...
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Do any hardware wallets / hardware platforms that rely on or allow open source firmware?

There's a reason the safest software wallets are open-source: they can be audited by anyone. With hardware wallets, unless you're manufacturing one yourself, you're all but forced to trust the ...
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384 views

Does Electrum support Ledger Nano?

When you create a new wallet, there are 4 options, one being 'hardware wallet'. However, there is no mention of hardware wallets in the docs! http://docs.electrum.org/en/latest/search.html?q=hardware&...
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How do hardware wallets integrate with software clients/nodes?

It isn't clear to me how hardware wallets interact with software clients. Is there a standard defined for this? Is it similar to signing on an offline computer and then transmitting a signed message ...
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Privacy risks with a hardware wallet

I'm trying to understand the privacy risks with a hardware wallet like a Trezor, Ledger, or similar. I understand the common workflow with these wallets is that you use an SPV bitcoin client which ...
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What cryptography hardware and/or software does a bitcoin exchange need to employ?

We have an operating equities exchange. To exchange bitcoin or other crypto-currencies, what cryptographic hardware or software would we have to use?
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How can one reinitialize the HW.1?

I've got a HW.1 a while back at a conference without any additional information. I had played around with it a little bit then, but didn't intend to use it as a wallet immediately. Now, I've been ...
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1answer
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Transferring many bitcoins without restoring a seed

I was thinking about how would someone transferring a handful of bitcoins say 10 or so to a new hardware wallet. Say you have 10 coins and want to transfer those coins to a different hardware wallet ...
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How do I use the new GPG signing feature with my Trezor?

I read here that with the new firmware, a trezor can be used to generate GPG signatures. How does that work? Is there a tutorial? I didn't see anything on the satoshi labs website.
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Projections for reductions in price of hardware wallets

The components of hardware wallets are not very expensive (at least when purchased as scale). I understand the need to recover R&D costs and that higher sales volume will increase negotiating ...
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Is it safe to use a second-hand Trezor (like from ebay)?

I just got a good price from eBay on a supposedly never-used Trezor hardware wallet. I have no specific reason to think this would be dangerous to use, but I'm being cautious and ask here first: Are ...
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Hardware wallet teardowns and side channel attacks

Most of the popular hardware wallets appear to be based on well established open source cryptography. Which hardware wallets have been submitted to extensive teardowns and side channel attack ...
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Is it safer to use one type of hardware wallet of several?

I know that there are several brands of hardware wallets with open source firmware that are considered safe. Is it better to just one that is safe and you are most familiar with? Or would hedging by ...
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Trezor Custom Mnemonic

How do I go about using words I pick in a trezor seed? I only want words that I select and in an order I select. I'm not worried about this being a less secure way to generate a seed. I will be doing ...
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If I lose a Trezor then how does the replacement get access to the same wallet?

I am pretty confused. What I understand is that when I buy a Trezor then it gives me some words that I need to copy down. When the Trezor starts up does it then automatically create some Bitcoin ...