Questions tagged [hardware-wallet]

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

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Hardware Bitcoins (Smartcards, RFID etc.)

is it possible to create a real hardware Bitcoin, e.g. a specified (and verifiable) value which is stored on a smart card or RFID which can be given directly to other people?
Thor
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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 there any reasons why it would be unsafe to use…
JVC
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What is the controversy with Ledger's new recovery service?

There has been a lot of controversy recently over Ledger's new recovery service which will shard your seed out to third parties for storage. What is the controversy? This question was posed by Christopher Allen on Twitter.
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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.
user1794469
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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 power with component and manufacturing providers. Are…
Hans Meyer
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What exactly is the benefit of buying a hardware wallet for Bitcoin?

Let's say I invest in a physical Bitcoin wallet. They aren't exactly free, so it's going to cost me money, effort, time and energy (to set it up and put coins on it). Then what? It's not like I can actually use it in physical stores. And if I'm…
Enid
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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 connect to the internet at my home WiFi, and only ever…
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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 address on blockchain.info (the address you send BTC…
Sheraff
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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 storing coins in multiple wallets make sense just…
dontmindme
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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 addresses and keys? If I lose my Trezor, then how…
Marilou4
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What is the difference between PSBT support in Coldcard and Trezor?

The 10x Security Bitcoin Guide says that the only two hardware wallets support BIP174 (partially signed Bitcoin transactions, or PSBT). However, this Reddit thread says that "You can use PSBT with Trezor via HWI". This Github issue elaborates. What…
Sergei Tikhomirov
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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 testing?
user22576
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What happens when a Trezor is lost?

Trezor is one of the leading implementation of a hardware wallet. Its first generation won't support multisig ... because the Bitcoin network itself doesn't have strong multisig support. What happens if a Trezor is lost or stolen? Where are the…
ripper234
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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? Is this safe / right way ?
heri0n
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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?
Wilbur
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