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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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 ...
JVC's user avatar
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9 votes
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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 ...
oks's user avatar
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9 votes
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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's user avatar
6 votes
3 answers
1k views

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 ...
Marilou4's user avatar
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6 votes
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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 ...
Sergei Tikhomirov's user avatar
6 votes
1 answer
447 views

Why do the xpubs from electrum and trezor not match when creating a multisig wallet?

For a little background, I am trying to set up a 2-of-3 multisig wallet with 2 trezors and a coldcard. I am trying to verify that my setup is correct before putting any meaningful amount of money in ...
paddy's user avatar
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5 votes
2 answers
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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 ...
ripper234's user avatar
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5 votes
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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.
Jose Manuel's user avatar
4 votes
2 answers
11k 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 ...
trezor-nub's user avatar
4 votes
1 answer
177 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?
Toodarday's user avatar
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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 = '...
Katafalkas's user avatar
3 votes
2 answers
458 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?
oks's user avatar
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3 votes
1 answer
888 views

Can Bitcoin Diamond be claimed on Segwit addresses? [closed]

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 ...
The Surrican's user avatar
3 votes
2 answers
2k views

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. ...
Agnieska's user avatar
2 votes
2 answers
5k 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 ...
trezor-nub's user avatar
2 votes
1 answer
268 views

Migrate old Bitcoin Core wallet to Trezor

I have an old Bitcoin Core wallet, and recently bought a trezor. I wanted to use it, but I am unsure how to migrate it. While I can access it with my password, I do not know how to find its 12-word ...
Spart Ack's user avatar
2 votes
1 answer
791 views

If hardware wallet provider disappears, can I still manage my coins?

I don't fully understand how hardware wallets work, there are two major brands, I will not name them. I see they give you a seed and you can restore from that seed, but... I understand these wallets ...
adrianTNT's user avatar
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2 votes
2 answers
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?
bangzoom's user avatar
2 votes
1 answer
1k 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.
Ken Shoufer's user avatar
2 votes
1 answer
1k 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 ...
david's user avatar
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3 answers
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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 ...
Filippos ZaaB's user avatar
2 votes
1 answer
5k 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 ...
Josh's user avatar
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2 votes
2 answers
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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 ...
oks's user avatar
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2 votes
3 answers
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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 ...
Lenwood's user avatar
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2 votes
1 answer
3k 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?
Murch's user avatar
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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 ...
Aiden Feron's user avatar
2 votes
2 answers
2k 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 ...
oks's user avatar
  • 257
2 votes
1 answer
158 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 ...
Elias Naur's user avatar
2 votes
2 answers
5k 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 ...
user3567417's user avatar
2 votes
0 answers
110 views

Sending a transaction from a Trezor One with outdated firmware and lost recovery seed

I have a Trezor One with firmware 1.4.2 and I have lost the recovery seed. I'd like to send a transaction from the device to another address that I control. However, because of its outdated firmware, ...
super_merry's user avatar
2 votes
1 answer
657 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 ...
WristMan's user avatar
  • 123
2 votes
1 answer
258 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?
BobNunya's user avatar
2 votes
1 answer
490 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 ...
IT-Fan's user avatar
  • 131
1 vote
2 answers
856 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 ...
kaoD's user avatar
  • 988
1 vote
2 answers
1k 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). ...
Dragoo's user avatar
  • 11
1 vote
1 answer
1k 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 ...
Christian Findlay's user avatar
1 vote
1 answer
326 views

How to upgrade a Trezor device without wallet.trezor.io?

How to update a Trezor device without the Trezor backend? The Trezor backend at wallet.trezor.io is suboptimal from a privacy perspective. Many people choose to use Electrum, Wasabi or any other ...
furunodo's user avatar
  • 145
1 vote
1 answer
246 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 ...
Claris's user avatar
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1 vote
1 answer
139 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 ...
Daniil Tolstov's user avatar
1 vote
1 answer
349 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 ...
Alex's user avatar
  • 11
1 vote
1 answer
119 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://...
RedGrittyBrick's user avatar
1 vote
1 answer
365 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 ...
user6542's user avatar
  • 225
1 vote
1 answer
787 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 ...
Pedro Basto's user avatar
1 vote
1 answer
867 views

SatoshiLabs 2021 Signing Key" [unknown] gpg: WARNING: This key is not certified with a trusted signature!

These are the steps I took: open https://suite.trezor.io/ download the 3 files: Desktop app, signature and signing key follow the instructions https://wiki.trezor.io/Apps:Trezor_Suite#How_to_run, ...
Sil's user avatar
  • 11
1 vote
1 answer
465 views

Default derivation path in Trezor Suite desktop app

This seems like a silly question but I could not find an answer after searching extensively. I currently have a Trezor Model One device that I'm accessing through both the Trezor Suite desktop app on ...
Aman Saran's user avatar
1 vote
1 answer
111 views

Do Trezor wallets always generate the first account at the same index?

When a user sets up their Trezor hardware wallet to store bitcoin, does the wallet always create the first account at index 0? Is it possible for a user to generate an account at subsequent indices if ...
Aman Saran's user avatar
1 vote
2 answers
316 views

Am I really understanding how the "Trezor Model T", and hardware wallets in general, work?

Getting increasingly paranoid about losing my coins, I've yet again (for probably the 20th time by now) went looking for hardware wallets. The only semi-reasonable one seems to be the two Trezors. All ...
A. C.'s user avatar
  • 11
1 vote
3 answers
950 views

Buying and selling Bitcoin on a hardware wallet and not sending to an exchange

How can I buy and sell my Bitcoin from a Trezor or Ledger hardware wallet, without sending Bitcoin to an exchange? For example, are there any hardware wallets that allow you to keep your Bitcoins on a ...
BbcDlearning's user avatar
1 vote
1 answer
109 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 ...
Sunny's user avatar
  • 147
1 vote
1 answer
1k 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-...
S K's user avatar
  • 125