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2
votes
1answer
42 views

How can I access the mnemonic in the mobile copay wallet?

I was encourage to download copay in my phone so that someone could give me 0.001 BTC. In that process I did not write down the 12 words. Is there a way to access them in the app? Thanks.
0
votes
1answer
70 views

Using seed to send bitcoin from a wallet's specific private key

I'm new to bitcoin and I've recently been reading on the concept of wallet. If I understand correctly, a wallet is a collection of one or more pairs address + private key (an address is where BTC can ...
0
votes
1answer
61 views

Sending BTC using Seed Hex or mnemonic

I’m interested in sending BTC from wallet to another and probably automate it through some libraries. I have a question: if I have a seed hex or 12 words I can generate all my wallets (addresses, ...
2
votes
1answer
516 views

Bruteforce bitcoin address - I know the words + public address but not the order

I have a long list of 1million+ permutations of a 12 word BIP39 seed. How can I try them all on a bitcoin address? edit: I know the address and the 12 words but i don't know the order of the words
2
votes
1answer
393 views

How to generate specific private keys from 12-word backup and wallet address?

A single seed can lead to billions of addresses. Some wallets are unable to scan and find all used addresses. Is it a way to infer the private key from 12-word backup and wallet ID / (public key). ...
0
votes
0answers
28 views

How to reach my coins? Know my 12 words but Copay does not restore it [duplicate]

I know the mnemonic. But can not restore it in Copay. I backed up in Copay earlier. Now does the 'trick' they recommend me here, but it did not work. ("Settings" > "Wallet" > "More Options" >...
0
votes
2answers
351 views

Checksum generation for seed

I am trying to generated the checksum for the mnemonics (BIP39) but can't get the correct value. I used 3 resources This explains the mnemonic generation https://github.com/bitcoin/bips/blob/master/...
0
votes
1answer
599 views

Private key to mnemonic words, is it safe?

Is it safe to do the following? Suppose I do not want the HD wallet, but I do want the convenience of using mnemonic words to remember the private key. I know I can convert the private key's hex ...
0
votes
1answer
277 views

What is the difference between the mnemonic and the private key?

My thinking so far: If I have a private number, then I can use that as the private key. If I have a mnemonic, I can match up each word to a number in the wordlist to get the seed, which is the ...
1
vote
1answer
404 views

How do HD wallets use mnemonic to recover all private keys?

As I understand, a wallet like BRD wallet can have many private keys and receiving addresses. When I give them the mnemonic, how do they re-generate all of the relevant private keys from that ...
0
votes
1answer
54 views

mnemonic pass phrase generation in wallets / hardware wallets - security flaw?

Wouldn't it be saver to generate a mnemonic passphrase manually by just taking random words from a lookup table? My thoughts: a wallet creator can can accidentally or on purpose use deterministic ...
3
votes
2answers
245 views

How can I retrieve the mnemonic words from my bitcoin core wallet?

I studied with Aaron Jaramillo's Libbitcoin tutorial. And I have a question regarding mnenonic word. In that tutorial, I should use testnet for making raw transaction. And I should make wallet from ...
0
votes
1answer
26 views

Why are the seeds different when going from seed to mnemonic and back using bx?

From an example in the documentation: $ bx seed | bx mnemonic-new | bx mnemonic-to-seed | bx hd-new 655a1ed2d4fef69bb314198c7327f23c grab special regret prepare urge evidence slush lobster midnight ...
4
votes
1answer
698 views

Manually extracting ledger nano s wallet public / private keys using “Mnemonic Code Converter” from ledger

I have the following example seed: morning twist board pelican denial retire middle inherit evil ritual omit fade general toddler grace evoke recipe sad minor destroy public dawn scissors cube ...
0
votes
1answer
152 views

How many combinations are there from the BIP32 mnemonic list?

As I understand for BIP32. There are 2048 words. 12 words would give you 2048^12 combinations. However, not all combinations are valid because of the checksum, so how do i calculate the actual space?...
1
vote
1answer
183 views

How do wallets (like jaxx) pair with each other using the mnemonic seed phrase?

I'm a bit puzzled on how a wallet pairing process works. I know you can restore you parent private key from a mnemonic seed phrase. This will give you a parent private key. Using this private key how ...
1
vote
1answer
250 views

Mnemonic Phrase (BIP39) with Existing Seed Generating Library

The standard BIP39 does three things: 1) Generate 256+8 entropy 2) Generate sentence 3) Derive seed from sentence (using PBKDF2 with HMAC-SHA512). I wonder what would be the security implication ...
1
vote
0answers
61 views

How many letter tiles does one need to build any 24 word mnemonic?

One of the popular cold storage wallets provides double-sided tiles for users to put in the first four letters of each of their 24 words (96 characters total). They include ~245 double sided tiles, ...
1
vote
1answer
330 views

Recover keys from legacy blockchain wallet's mnemonic?

I have an old blockchain wallet that is worth trying to salvage It seems the old password that the 18 word mnemonic originally had isn't working and another password I had listed also doesn't work. ...
0
votes
0answers
239 views

How to get public key from mnemonic 12 words or seed hex?

I have 12 words or seed hex and i need get public key, how to i can get this in python or nodejs?
0
votes
1answer
192 views

can i use one Mnemonic Code to create both(TestNet and MainNet) wallets

currently i am using bitcoinj library to create wallet for both Main-net and Test-net using Mnemonic code(Mnemonic Code is different for both), my question is can i create both Wallets(Test-net and ...
0
votes
0answers
313 views

How do I get my master public key from a wallet?

If a HD wallet only gives me the 12 word mnemonic, how can one get the master public key?
2
votes
1answer
364 views

Importing 24 word mnemonic to bitcoin-qt

How can I import my 24 word mnemonic seed into bitcoin-qt? I think that I will have to convert it to some other format but I don't know how to do that nor what format to use. BIP 39 does not work.
0
votes
2answers
331 views

What is Blockchains 12 word recovery passphrase process [closed]

Hello thank you for looking. I am trying to discover a simple way of creating blockchains 12 Word Recovery Passphrase, they have a so called help page on this subject which is of very little help and ...
0
votes
0answers
208 views

Trying to restore from 17 word seed

I just found a seed for my very first wallet ever, I thought was long gone. Problem is my hand writing was shit at the time...(still is lol) I have tried to restore in using this block chain tool: ...
7
votes
2answers
2k views

How to restore wallet from 15-word seed mnemonic?

The wallet was created around Feb 2013, using unknown wallet software. All that is known is a passprase, and 15 words. I suspect the passphrase was used to encrypt the wallet, and is probably ...
1
vote
2answers
625 views

Unsure order of 12 word mnemonic

I have a 12 word mnemonic but I'm unsure of the order, I know that the BIP39 mnemonics use a checksum, are there any tools I can use to re-order the 12 words correctly so that they pass the checksum?
0
votes
0answers
248 views

Recovering 12 word seed from bitcoin wallet for android

How do I import these into electrum or something with quick sync? I have tried putting the "bip39" option on electrum but it doesn't work, nothing shows up in the transactions.
0
votes
0answers
540 views

20 word seed phrase

Approximately 3.5 years ago I backed up some Lite Coins with a crypto wallet. I don't remember which one and now I want to restore the .dat file that I have on disk. I tried Electrum but the seed ...
1
vote
1answer
644 views

Why is this 12-word mnemonic deemed invalid by multiple wallets?

I have a 12-word mnemonic from a Blockchain.info wallet created in May 2013. But now the Blockchain recovery page[1] tells me this is an invalid seed. I'm sure this is not user error, since the ...
1
vote
1answer
743 views

How does mnemonic recover a single private key?

As I understand the algorithm of mnemonic (BIP39) can generate billions of private keys from your 14-24 words. Whats the mechanism that some wallets/clients use to recover a single private key, my ...
0
votes
0answers
67 views

Splitting mnemonic phrase, lesser entropy, even with a longer phrase?

I have seen people talk about the maintaining access to their bitcoin address sequence by doing things such as splitting private keys or splitting mnemonic phrases, physically printed out and stored ...
1
vote
1answer
532 views

Obtaining 12 word mnemonic from Private & Public Keys

After a recent upgrade to Jaxx wallet my Litecoins and my transaction history are lost. The 12 word mnemonic opens up a wallet with zero Litecoin balance even though the public key address from the ...
4
votes
5answers
1k views

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?
1
vote
1answer
193 views

NBitcoin and Mnemonic Standards

I am very new to Bitcoin development so forgive me... I'm using NBitcoin in a .Net console app to generate a master key using a mnemonic and then derive hierarchical keys. Here is the code I am using:...
0
votes
1answer
152 views

How to import Multibit HD Wallet in bcoin?

I created a wallet using Multibit HD and noted the mnemonic. I sent some money to an address that showed up in Multibit HD. Worked fine. Transaktions are displayed and balance is adjusted. Can be ...
1
vote
1answer
771 views

BIP44 generation tool has Account xpubkey & bip32 xpubkey, what's the difference?

recently i played with the tool generation of HD address on https://iancoleman.github.io/bip39/. after input mnemonic code and check the derivation path, why is there Account Extended Public Key & ...
1
vote
0answers
112 views

MyMonero wallet recovery with phrase

I'm sorry to both you with this. Mymonero.com has been down for several days and I'd like to remove the monero from my wallet on that website. All I have is the original phrase I set it up with ...
1
vote
1answer
283 views

Wallet recovery phrase

Due to a copying error the last word of my 12 word mnemonic recovery phrase for blockchain is missing. Just wondering if anyone knows of any software that could generate words and automatically test ...
2
votes
1answer
409 views

Do I understand correctly that mnemonic seeds are specific to individual wallet software and its versions?

I know mnemonic passphrases are used to derive a master key that can then be used to procedurally generate your addresses. If you lose everything except the mnemonic, you can regenerate everything and ...
3
votes
1answer
2k views

What is a mnemonic frequency analysis and why do I only need 4 letters of my seed words?

Cryptosteel only allows to store the first 4 letters of each word of my mnemonic seed, the FAQ tells me why: [...] you only need to assemble the first 4 letters of each word. Those 4 letters are ...
9
votes
1answer
781 views

Will Electrum mnemonic seeds be forward compatible with all future versions of Electrum?

If I use the newest version of Electrum (2.6.4) to create a mnemonic seed and the current source code (2.6.4) later becomes unavailable, will I be still able to use a mnemonic seed I create now with ...
3
votes
1answer
110 views

Mnemonic seed language options

How many languages are mnemonic seeds currently offered in other than English? Does the entropy for different languages depend on the number of words the relevant dictionary has available to draw ...
3
votes
0answers
53 views

Are there any HD Bitcoin mobile wallets with the mnemonic seed in traditional Chinese?

If not, what would be the easiest way to modify an open source iOS/Android wallet (eg copay) to do this?
1
vote
4answers
1k views

Trezor Custom Mnemonic

How do I go about using words I pick in a trezor seed? I only want words that I select and in an order I select. I'm not worried about this being a less secure way to generate a seed. I will be doing ...
1
vote
0answers
452 views

In the BIP39 specification, are seeds generated from encoded or decoded passphrase?

From the BIP39 spec: From mnemonic to seed A user may decide to protect their mnemonic with a passphrase. If a passphrase is not present, an empty string "" is used instead. To create a ...
1
vote
1answer
168 views

BIP39 Japanese Mnemonic vector unit test process

There is a json for unit tests of Japanese characters which I want to validate using Python, specifically with this fork of pybitcointools, which has bip39 functionality. Unit tests from Trezor's ...
3
votes
1answer
945 views

Why are Electrum 2.x mnemonic sentences thirteen words long?

The 2.x version of Electrum uses mnemonic sentences that are 13 words long. However, 1.x versions use a sentence only 12 words long. I realize that 2.x changed the derivation of key pairs ...
8
votes
2answers
4k views

Pros/Cons/Limitations of Mnemonic Phrases - BIP39

BIP39 mnemonic phrases replace considerations about how to store one private key, with considerations about how to store the seed to a series of private keys. The idea is that the private keys are ...