Questions tagged [mnemonic-seed]

Mostly BIP39, an open standard for encoding a seed as a series of common words, but also collects other methodologies.

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How many words are enough to confirm user backed up all words for seed phrase?

If there are 12 words in the seed phrase, is confirming random 3 words enough to ensure user has backed up all words? Or is it necessary to confirm all words and in the correct order? If I create a ...
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147 views

how to decode cryptocurrency wallet with mnemonic phrases

I want to create multi-coin wallet on Golang language and I faced with issue about how decode wallet with mnemonic phrases.
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How to encrypt an existing BIP-39 mnemonic with a password without changing the seed?

I know that you can create a Mnemonic + PW to encode a seed to derive keys. What I want is to encrypt an existing mnemonic with a password that generates the same seed as the unencrypted mnemonic. ...
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266 views

Python library for Multisignature HD wallets

Is there is any python library is available that allow creation of Multisignature HD wallets ?
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Obtaining private key from mnemonic keywords

A customer of us can't remember which wallet he has used before (in 2014), but he still knows his public wallet address and als the 12 words for recovery. We have a choice of 3 different wallets which ...
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176 views

Reusing bitcoin hw wallet infrastructure as a PGP replacement?

A lot of people who own Bitcoin are already know how to securely generate, store and use their BIP32 + BIP39 wallets, and own hardware wallets. Are there any existing projects/standards trying to bolt ...
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Stumped on finding checksum for 12 word Bip39 mnemonic

I read Pseudo code to find Bip39 checksum? and followed the steps outlined by the answer and arrived at the correct checksum. But when I went to try it on a 128 bit entropy that were all 1s: ...
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78 views

Can you recover a wallet with only BIP39 seed or BIP32 root key?

Can we access and withdraw BTC if we have bip32 seed and bip32 root key? But we don't have the bip39 passphrase
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119 views

Working Implementations of BIP85

Can anyone point me to working implementations of BIP85? The only one I'm aware of is the Coldcard Wallet implementation.
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541 views

Algorithm to recover missing 12th word (of 12) in BIP39 mnemonic

I'm trying to recover my Wasabi wallet. For some reason the 12th word of the 12-word mnemonic I wrote was wrong (not in BIP39 list). I could manually guess up to 2048 times, but was hoping there might ...
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27 views

Convert alphanumeric to Mnemonic?

I have found here at home a paper with "coinbase seed" label from the far paste. I totally forget it, and I would check the wallet, but it is not the 12 word Mnemonic, but 16 alphanumeric ...
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Which "address" should be used when wallet is made with iancoleman page?

If I have generated / choosen the 12 word memnonic with bip39 here https://iancoleman.io/bip39/ which address I should fill in Binance as the destination address when withdrowing coins? Account ...
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Automate Bip39 seed recovery

I recently was locked out of my Ledger NanoS when I forgot the pin code. Upon trying to reset from my recovery phrase I realized that I only have 23 of the 24 required words (not sure how it happened ...
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521 views

How can I recover last word of BIP-32/39 mnemonic copay second signature multisig wallet

I've got a multisig 2of2 wallet in copay. I've one wallet correct but have lost second wallet and only have 11 of the 12 words of the seed.I'm pretty sure I miss the last one. I've got some of the ...
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174 views

How to backup seed in lightning and give your channel to watchtower

this is followup on question #85475: I have learned in previous question that there is an automatic refund mechanism in case of force closure of a channel, except for some very rare circumstances. I ...
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118 views

Manual work as source of entropy

Working on an opensource air-gapped crypto vault, in which I have the regular method of relying on OS to provide cryptographically secure random source and use that to generate the mnemonic phrase. ...
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324 views

Can you use the same seed for normal BTC and Lightning wallets?

If I generated 24 words from a Ledger Nano, can I import these to a lightning network wallet e.g. Eclair?
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301 views

Is the checksum used in BIP39 mnemonic sentences too short?

In the BIP39 specification, you add 1 bit of checksum for every 32 bits of entropy you generate. Therefore, with a common entropy size of 128 bits, you are only adding 4 bits of checksum. This means ...
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Generate private key from a bip-39 seed phrase?

I'm able to generate a new private key and associated public addresses using bitcoin-core, but what I really want to do is generate a new private key from a 24 word seed phrase. I'm not sure how to go ...
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Are hardware wallet seeds cross compatible over all brands and even software wallets?

I had a discussion today and I'm really confused. What I though is happening with each hardware wallet is this: Seed (BIP39) 1 --> HW Wallet (ledger) --> chip1 + seed = private key 1 Seed (...
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47 views

Use Bip 39 mnemonic words to restore Samourai wallet to another wallet

I want to access my Samourai wallet from a different type of wallet: either Blue- or Sparrow Wallet by using the 12 word mnemonic and passphrase. Is this recommended? Is it possible?
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471 views

HD Wallets, XPUB and child private key leaks

So some generalisations on xpubs and current wallet providers. Ledger and Trezor wallets can create xpubs which can show all transactions of a wallet When a passphrase is added, this counts as a new ...
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482 views

Can a Trezor accept/use a private key created independently offline?

Can I create a private key using bitaddress.org offline and then use that private key in a trezor wallet? Also will the trezor use that private key to produce a mnemonic phrase?
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Storing entire seed from bip39 mnemonic using WIF

I'm using the bitcoinjs collection of libraries, specifically https://github.com/bitcoinjs/wif, https://github.com/bitcoinjs/bip32 and https://github.com/bitcoinjs/bip39 with nodejs. I have a mnemonic ...
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What is a safe amount of characters in a passphare?

The coldcard and trezor both has support for a passphrase. What amount of characters in this passphrase that would be considered unbreakable with current technology and within some years of ...
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Practical way to split a bip39 seed into a 2 out of 3 factor auth?

I want to keep off-site paper-backups of my seed, but that increases the risk of a physical attack. Can I somehow split my Mnemonic Code into three parts that I only need two of to recover my trezor?
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What is the easyest python3 script to generate pubkey + addresses from 24 words + passphrase?

Coldcard can generate 24 words from dice, but then I still need to verify that applying my passphrase on top of the 24 words, give me the addresses that coldcard is showing me. What is the easyest ...
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824 views

How can I generate SegWit addresses from a mnemonic using python?

So, I have written a script that generates BIP39 mnemonics. I now want to generate N native SegWit public keys from this mnemonic. I have found this, but it generates legacy addresses. It uses the ...
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How to properly compute the BIP39 checksum bytes?

I'm trying to understand the logic of generating a valid BIP-39 seed phrase. I have read the BIP-39 and trying to implement the section Generating the mnemonic step by step. I have the following ...
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72 views

Is an extraction of the mnemonic string possible if wallet and corresponding passphrase are in possesion?

My problem is that I have access to my wallet and I am able to access it with Electrum because I have the passphrase but I somehow misplaced the seed. Is it possible to decrypt/extract and obtain the ...
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98 views

Does 12 word Mnemonic seed + passphrase wallet get recovered w/o the passphrase?

I recently bought an Ellipal Titan, I was playing around with it to get used to the wallet. I created a wallet with 12 mnemonic + passphrase. I erased the wallet. I tried to recover the wallet with ...
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I have a BIP39 seed but I cannot successfully recover the wallet on Electrum

Saw a photo of a screenshot I took and uploaded to Facebook 8 years ago, the address in the picture was this https://www.blockchain.com/btc/address/19ScMXCyxoL1igxuw2LqRCtfdZb5WdQGJC and turns out ...
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367 views

How to get correct address from BTC mnemonic phrase in Python

Faced a problem, I have a crypto wallet written in Python, there is a code that creates a wallet address from a mnemonic phrase (In this case, BTC address). But if I enter this mnemonic phrase into ...
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101 views

Best way to store private key from address

I make my own hot-wallet and wanted to know best way to store private key from address, because I need it for signing transactions. I tried store private key in my bitcoin core node, but I realized ...
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Should I use one `hsm_secret` for both the mainnet and the testnet?

When I launch lightningd it generates hsm_secret in ~/.lightning/bitcoin whereas launching lightningd with network=testnet generates hsm_secret in ~/.lightning/testnet. These two files seem to be ...
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How does BIP 39 mnemonic work?

As I already understood the mnemonics are the private key separated in 12 words which joined together in the very same order produces the private key. How are mnemonics generated? Why Ledger ...
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HD wallet root seed length

Mastering Bitcoin describes the process of generating the HD wallet seed: "1. Create a random sequence (entropy) of 128 to 256 bits." ... 6. The mnemonic code is the sequence of words. ... 9....
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76 views

Using more than a 12 word mnemonic phrase

From Mastering Bitcoin: "From a security perspective, the amount of entropy actually used for the production of HD wallets is roughly 128 bits, which equals 12 words. Providing more than 12 words ...
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hierarchical deterministic wallets - creation of public keys

From Mastering Bitcoin: "The second advantage of HD wallets is that users can create a sequence of public keys without having access to the corresponding private keys. This allows HD wallets to ...
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Is it possible to you convert privkey to BIP39 mnemonic (or entropy)?

I've generated a private key using vanitygen command by: $ ./vanitygen 11 Difficulty: 256 Pattern: 11 Address: ...
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How to generate BIP85 Child Key using Bitcoin Explorer?

I've playing with 2 tools: Mnemonic Code Converter (site) Bitcoin Explorer (CLI) - bx command For the purpose of test I've used these tree BIP39 mnemonic words: client mixed great. Using a site I've ...
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Why bother with 'account' in derivation path?

After lots of wallet testing, I'm thinking that only account level 0 should be used. Especially, when you consider restoring a wallet from the seed phrase. m / purpose' / coin_type' / account' / ...
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140 views

Signature doesn't prove that the owner of a Private Key produced a given message

Let's assume I am a developer of Bitcoin wallet. If I create a private key without implementing a seed phrase methodology (not using the principles of BIP32 and BIP39), is there at least the slightest ...
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Find 2 last words in the seed Trust Wallet [duplicate]

I have multi-account Trust wallet and 10 first words of seed from 12. Also i have binance smart chain adress from this wallet. Is there any tool to find last 2 words?
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157 views

What do they mean by "12/24 words" or "seed words"?

Having read thousands of Bitcoin threads/questions on Reddit, there's constant references to "your 12/24 words" or "seed words". They never once refer to wallet.dat. I have used ...
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Turning private keys into BIP39

Can you turn a private key into Bip39? private key example (just generated it, so it's empty): ...
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Is this mnemonic cryptography flawed?

Recently I setup a crypto wallet which used a 12-word BIP39 passphrase as security. I noticed something peculiar when I went to setup an additional wallet. The first and last words of the previous ...
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Is the Electrum seed compatible with other wallets?

Apologies if this is a simple question - a newbie here! I'm trying to understand backups. If I use Electrum to make a back up (including the 12 word seed password), will I then need to use Electrum to ...
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48 views

How to verify that the seed generated by wallet software/hardware is not BIP85 seed?

I just learned about BIP85 today. It will generate a new seed that I don't need to back up. I think it is pretty cool to only have to backup my one BIP39 seed and the index of BIP85. However I started ...
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209 views

As a developer, what steps do I need to take to generate private-public keys?

When developing (I'm using Apple Swift), what steps are needed in order to independently create my own pair of private-public keys (with the ability to restore a private key from a mnemonic phrase)? ...

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