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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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114 views

Recovering an Hierarchical Deterministic wallet

Does the use of an HD wallet (with BIP 32 and BIP 39) guarantee the possibility of its recovery in an HD wallet of any manufacturer, whether it's software or hardware? Or sometimes there are cases of ...
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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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87 views

Can't Access funds due to derivation path

I created a seed phrase and public key via the following Node.js code: const mnemonic = bip39.generateMnemonic() const seed = await bip39.mnemonicToSeed(mnemonic) const node = bip32.fromSeed(seed) ...
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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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166 views

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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95 views

What type of wallet support French seed-phrases?

been struggling to find wallet to restore it as it seems most wallets support only English.
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127 views

Why is it bad to split up a wallet seed redundantly?

I have been reading a lot about wallet security and this seems to be universally considered a bad idea (see for example this video or this answer), but I am struggling to see why it is not a good ...
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47 views

Does randomly typing BIP39 words give access to that wallet? [duplicate]

If I randomly type in BIP39 words would it give me access to those wallets? Yes I know they’d likely be empty. Just curious how this works
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Is it better to encrypt the mnemonic or hash it? Hardware wallets

I'm making an Arduino hardware wallet, I'm curious about best security practices for storing the mnemonic phrase. Would it be better to encrypt it then let the user view it with the pin. Or store a ...
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How does randomness works in mnemonic phrase generation?

As far as I know, randomness in computers are not truly random, but rather pseudorandom, mostly derived from current timestamp. So when creating various wallets, I have saw a lot of them introduced ...
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Which app generates stronger mnemonic seed?

Mnemonic phrase, mnemonic seed, or seed phrase are defined as a secret group of words that represent a wallet. When used in sequence they allow access to the cryptocurrencies stored within. “Mnemonic” ...
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How many bytes of entropy are recommended for seeding a mnemonic phrase?

If I wanted to generate a 12 word mnemonic, how many additional bytes of entropy is recommended I use?
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114 views

Deriving payable address from mnemonic using BIP44

I'm trying to go from seed phrase/mnemonic to payable address using BIP 44. Here is a simplified version of the code I'm using. However, when I compare with https://iancoleman.io/bip39/ the private, ...
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145 views

How to create a physical/paper backup for bitcoin-core wallet?

I am using bitcoin-core for my offline storage. In electrum I can do a paper backup by writing down the mnemonics. bitcoin-core seems to be using a different mechanism to generate the wallet. What I ...
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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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How can I programmatically check if a 12 word mnemonic is valid? [duplicate]

I would like to use python to check if a 12 word mnemonic is valid. How can this be done?
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c++ code how to restore wallet keys from mnemonic seed phrase

so iam trying to code some wallet functions in c++ i need to do the following. starting with a seed phrase restore the private keys and bitcoin addresses (all addresses generated from the seed phrase)...
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Safe way to create a mnemonic and address in golang

I have been looking over internet in the different repos of btcsuite but had no luck in finding a way to generate a 12 word mnemonic and convert this to an address using the go language. It needs also ...
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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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How to confirm integrity of Electrum wallet created using BIP39 mnemonic?

Given paper backup of 24-word BIP39 mnemonic and passphrase, how can one confirm integrity of Electrum wallet given "Wallet" / "Seed" is greyed out?
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Generating HD wallet seed phrase

got a new hardware wallet and thinking of using my own set of bip39 words instead of wallet generated one, combined with a passphrase.
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Python: Why the addresses and keys generated by pywallet and bip32utils using the same 12 mnemonic words don't match?

I tried to generate wallets by using pywallet and bip32utils (Python). But I noted that the addresses/keys of the 2 wallets, namely wallet_pywallet and wallet_bip39 don't match with each other. I ...
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101 views

Split BIP39 words by hand

I'm thinking about a way to split the bip39 words (by hand) and I would like to have some opinions on it. The aim is to store the word list in several locations, I came with something inspired by one-...

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