Questions tagged [trezor]

Trezor is a hardware device that can generate and store cryptographic keys used with bitcoin (a bitcoin hardware wallet). The firmware can also be used in password management and for digital signatures.

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13
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1answer
2k views

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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2answers
1k views

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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2answers
2k views

How can Trezor update firmware but never receive malware?

I understood from What is it about a Trezor that means it can't be infected by malware? that a Trezor would only interpret data as transaction details, but the Trezor also updates firmware. How is it ...
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3answers
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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 ...
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2answers
978 views

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 ...
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2answers
1k views

Segwit2x and Trezor

I got my bitcoin in my Trezor cold wallet. Before the imminent implementation of Segwit2x I have to do something in my Trezor, can this affect my BTC? I look forward to your help, thanks and regards.
3
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2answers
7k views

Can you ever view your private keys on the TREZOR?

ON a TREZOR, is there a way to see the private key after it has been generated from the seed? One that you could then import into another wallet manually. I don't know that I would ever want to do ...
3
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358 views

What is it about a Trezor that means it can't be infected by malware?

The Trezor testimonials include that TREZOR ... cannot be infected by malware What is it about a Trezor that means it cannot be infected?
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2answers
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Trezor issue - “The bitcore server does not reply. Cannot connect to wallet”

I bought a Trezor, installed everything, and sent some BTC to my wallet. Everything was working correctly. Then today, after not using the Trezor for a few days, I tried to connect and am unable to. ...
3
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1answer
103 views

Has Bitcoin Cores encryption wallet security ever been bypassable?

Every few years there seems to be an exploit found in Trezor that allows people to bypass the security. I was wondering has there every been the same case for Bitcoin Core wallet encryption?
3
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1answer
763 views

Can Bitcoin Diamond be claimed on Segwit addresses?

I currently have my Bitcoin (BTC) on a Trezor hardware wallet with Segwit (Not in a "Legacy account"). Can I claim Bitcoin Diamond (BCD) with this or not? In general: Should I move my BTC to a ...
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2answers
4k views

How does Trezor's wallet recovery work if the private key never leaves the device?

If the private keys never leave the TREZOR, how can they be restored if I lose it? I am assuming that maybe the private key is generated on the TREZOR and then encrypted before being sent to ...
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2answers
2k views

Online exchange bitcoin balance to hardware wallet

For better security, how would I move bitcoin from my Coinbase Wallet and Vault to a hardware wallet like Trezor?
2
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1answer
762 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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3answers
2k views

How can I recover BCH sent to a Trezor BTC address?

I accidentally sent my BCH from Breadwallet to a BTC address from my Trezor wallet. Is there any way to retrieve that back to my BCH wallet? The BTC wallet I sent the money to is mine, so I own the ...
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1answer
1k views

Can you deposit to an unplugged Trezor?

I just want to confirm if my logic is correct. If I send Bitcoin to my Trezor address while the Trezor is unplugged does the web wallet then receive the private keys from the transaction and only once ...
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2answers
635 views

Can a Trezor seed be used in any other HD wallet?

Trezor FAQ says If you do not use a passphrase, your recovery seed is all that is needed to access your bitcoins. If you do not use a passphrase, can the Trezor seed be used to recreate a ...
2
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2answers
277 views

I Want To Confirm That My Bitcoins Are Being Held In New Wallet

I sent a couple bitcoin from one of my trezor wallets to a different trezor wallet. I don't know the details about how bitcoin "sending" between wallets work, and now I feel the need to confirm that ...
2
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2answers
1k views

How does a Trezor passphrase prevent restoration of a wallet if an attacker knows the seed?

Trezor User Manual says if you forget the passphrase there will be no way to recover your bitcoins. Not even the Recovery seed. How is it that you (or an attacker who knows the seed) can't just ...
2
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1answer
92 views

Connect Trezor (T) directly to a printer to generate paper wallets

Is it possible for a Trezor or Trezor T to connect with and directly interface with a printer? The Mycelium Entropy device is very useful to print paper wallets while minimizing MITM attacks. I'd like ...
2
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3answers
1k views

Would I be able to recover coins if Trezor went out of business?

I'm considering a Trezor wallet. I've read through their info about recovering if I lose the device or forget my PIN. What if the company were to go out of business. Would I still be able to recover ...
2
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1answer
2k views

Unplugged Trezor when incoming transaction was unconfirmed

I transferred some bitcoins from one of my online wallet to my Trezor. When the transaction is in unconfirmed mode I unplugged my Trezor. Then after I plugin my Trezor that transaction somehow did not ...
2
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1answer
757 views

Generate addresses from Trezor's xPub using Python

I am trying to generate BIP32 HD addresses from my Trezors xPub key. I keep getting errors with most of the libs our there. What am I missing? pywallet: from pywallet import wallet xpub = '...
2
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1answer
395 views

Offline wallet (Electrum) + Trezor not signing transactions

When I want to make a transaction I follow these steps Create order in the ONLINE computer Copy transaction to a USB Plug USB to OFFLINE computer Load transaction from file Plug TREZOR Sign ...
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1answer
130 views

Address Verification Failed / View on Tresor Address don't Match

Using LTC wallet on new Trezor. On "Receive Payment" tab, clicking eyeball icon, the address shown on the Trezor does not match the address shown on screen. What gives? Did I already get hacked?
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1answer
425 views

Why can't I use Electrum seed to recover my wallet on Trezor and Blockchain.info?

I wanted to use my BCH after the hard fork so I was going to import my wallet on Trezor or Blockchain.info since they support BCH (Electrum doesn't support BCH AFAIK) but it seems both Trezor and ...
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2answers
518 views

Where does Trezor get UTXOs from?

Since UTXOs are required to spend funds, where does Trezor get the unspent outputs from? Storing them in the hardware requires you to plug it in from time to time to update the UTXO set. You could ...
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1answer
747 views

How To Traverse Bitcoin Addresses in HD Wallet

It appears that there are many way to traverse Bitcoin addresses. I am looking best practice, and I am also looking for the documented logic of how common wallets do it so I can replicate their ...
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1answer
32 views

Can TREZOR sign transaction with input address beyond gap limit?

Suppose I use TREZOR with Electrum or Bitcoin Core HWI and significantly change the gap limit to, let's say, 100 000 addresses. I then receive BTC to my 999 999-th address and want to send them ...
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1answer
205 views

24 Word Mnemonic Seed Phrase for Ledger Nano S usable on Trezor?

Can I use my 24 word mnemonic backup seed phrase that created on my Ledger Nano S on other devices that use a 24 word seed phrase? An example would be the Trezor hardware wallet.
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124 views

Access custom BIP32 paths on trezor

So I really have 2 problems now: I took xpub address for Dash from trezor and used it with blockcypher API to generate addresses with paths like m/0, m/1, etc I sent some money to that addresses and ...
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2answers
404 views

Derive LTC Segwit (M-Address) private key from Trezor

So I'm trying to get my head around this! I've got my 24 seed for my Trezor. I got my Segwit account for LTC (Address starts with M). I also have the P2H equivalent for my address (Starts with 3). ...
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1answer
263 views

I provided my XPUB and YPUB to Trezor support - should I continue to use my Trezor?

I have a Trezor. In attempting to find out why I have have not received Bitcoin Gold coins Trezor Support asked for my XPUB - I gave it to them along with the YPUB too. Is this safe? Should I move ...
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1answer
315 views

Is there a mobile wallet that works with a Trezor?

Is there a mobile wallet that support using a Trezor hardware wallet to spend coins? Is there an online resource that tracks features like this for thin-clients?
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1answer
18 views

What is the threat model of a Bitcoin HSM / Hardware Wallet?

There are many devices available which purport to allow for the secure storage of Bitcoin in adversarial environments, such as compromised computers or potentially untrusted host devices such as ...
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1answer
63 views

Mutlisig tansactions with trezor with multiple inputs and outputs not able to broadcast

I am trying to do a multisig here is my final hex ...
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1answer
626 views

How to move in and out of wallets cheaply and fast? [closed]

So... Trezor has ridiculously high fee for "normal" speed of transferring money. If I select cheapest transfer version, it takes more than 2 days. Is there a way to transfer money between a crypto-...
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2answers
461 views

If I transfer bitcoin into Trezor that has been on a paper wallet since 7-31-17. Can I still get BCH and BTG?

If I transfer bitcoin into Trezor that has been on a paper wallet since 7-31-17. Can I still get BCH and BTG? Trezor has a coin-splitting tool, but it says that I had to have held Bitcoin in my Trezor ...
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1answer
481 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 ...
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3answers
219 views

BCH to BTC in same Trezor wallet

I changed BCH in my Trezor to BTC using the wallet coin splitting tool and sent it back again to the same wallet using a new BTC receive address rather than another external wallet like eg Electrum ...
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1answer
5k views

do the trezor wallets support all crypto currencies for strorage?

I am considering buying a trezor wallet. I am wondering if this type of wallet can support all types of crypto currencies?
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1answer
91 views

I sent some Bitcoin to a Bitcoincash adress on Trezor

I sent some Bitcoin to a Bitcoincash adress on Trezor and it doesn't show on my Bitcoin in Trezor, how can I get them back ?
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1answer
542 views

Trezor Firmware update just hangs indefinitely

Trezor out of the box - first firmware update with the wallet not even set up and just hangs on "Installing...Please Wait". Read through all of the troubleshooting section on Trezor's website but no ...
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1answer
661 views

Getting Litecoin cash out of my Trezor

I am trying to get my private key out of my Trezor in order to access my Litecoin cash. I used the following site in order to generate the private key out of my 24-word recovery phrase: https://...
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2answers
281 views

Will I be losing my BTG by sending BTC to bitfinex

I have my BTC in my trezor wallet (had it for a while before the BTG fork), now I would like to send some BTC to Bitfinex, but I am worried that if I do so, it will also send my BTG to the same ...
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0answers
232 views

Running trezorctl / python-trezor on macOS Sierra

As I am not familiar with python I am currently having trouble getting trezorctl running. After installing pip and running pip install trezor from my admin account I get the following error message ...
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1answer
1k views

How to retrieve Trezor wallet with recovery seed?

I've been at this for days now without finding the links to click on. I have a Trezor wallet that I bought years ago. It has some bitcoins on it. I have the recovery seed, but I lost the pin. From ...
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0answers
310 views

Trezor driver not loading

This morning I opened my brand new Trezor and plugged it into my laptop. The message I received was that the device was not installed correctly or something like that. I tried three times. Then I ...
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0answers
143 views

Did wrong. Btc to Ltc from Trezor

Accidentally/stupidly sent Btc to Ltc address. On my Trezor I generated a Btc 'send payment', then I generated a 'receive payment'. Trezor asked for the Ltc address to be converted, which I did, then ...
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0answers
80 views

Does Trezor have any shortfalls security-wise?

Or do you have a recommendation for another cold wallet?