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Questions tagged [mnemonic-seed]

A way of writing down a small set of dictionary words from which a seed-number can be recreated. This allows a wallet to be recreated from a saved phrase after the wallet has been lost or destroyed.

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7 votes
3 answers
16k views

Lost my Bitcoin wallet and have only 11 out of 12 mnemonic seed phrase words. How can I get my Bitcoins?

I am new to the whole Bitcoin thing, and I am having my first attempt almost going sour. I lost where I created my wallet. I have my Bitcoin address and only 11 of my mnemonic seed phrase words (of 12)...
Perry's user avatar
  • 121
3 votes
4 answers
2k views

Electrum 2.0: non-BIP39/32 standardisation complicates matters immensely. Why?

Electrum 2.0 has been causing me some frustration, insofar as it seems to be a non-standard implementation of BIP32/BIP39 (HD wallets, mnemonic seed, respectively). The wallet in question is a 2of2 ...
Wizard Of Ozzie's user avatar
18 votes
1 answer
5k views

Is there a reason to why Bitcoin Core does not implement BIP39?

Is there a specific reason to why BIP39 isn't added to Bitcoin Core? Seems very trivial to add and am confused to why it isn't there.
kcalvinalvin's user avatar
8 votes
1 answer
10k 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). ...
János's user avatar
  • 388
5 votes
3 answers
17k views

How to generate public and private key pairs from the 12 seed words in python

I basically followed the instructions here How to generate mycelium addresses from the 12 words in python So my code is similar: from bip32utils import BIP32Key from bip32utils import BIP32_HARDEN ...
Stormy Dan's user avatar
4 votes
2 answers
2k views

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 ...
Allan Romanato's user avatar
1 vote
1 answer
2k views

Can a BIP39 12-word mnemonic be used to restore a wallet through bitcoin-cli?

I could not find documentation on using a 12-word BIP39 Mnemonic to restore a wallet through bitcoin-cli. It seems that importprivkey might be the right RPC call but when I provide the 12 words, it ...
Dave Scotese's user avatar
0 votes
2 answers
2k views

Have 10 of 12 of my mnemonic along with the BTC address, how can i automate recovery?

So I wrote down my mnemonic on a piece of paper and somehow the last 2 words got ripped off and I cannot find where it went. I do have 10 out of the 12 word phrase still (along with the order, they ...
digidash's user avatar
14 votes
12 answers
11k 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?
Kristoffer Nolgren's user avatar
10 votes
3 answers
13k 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 ...
user443854's user avatar
10 votes
2 answers
8k views

BIP39 Manual Phrase Calculations - How are Multiple checksums valid?

Need some help understanding the math regarding why multiple checksums work for mnemonic phrase generation (BIP39). Let's assume a 12 word passphrase. If we divide the 2048 wordlist into groups of 16 ...
Ryan Ellis's user avatar
4 votes
3 answers
2k views

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 ...
Nate Gray's user avatar
4 votes
3 answers
8k views

How to generate a valid hash for a bip39 seed phrase?

I'm trying to prove to myself that I understand how bip39 seed phrases work... I'm doing most of this in a spreadsheet because I thought it would be easier but I'm having trouble with the checksum ...
bozoforpresident's user avatar
4 votes
2 answers
2k views

How to get my 24 word seed using bitcoin-cli

I've tried: bitcoin-cli sethdseed 'word1 word2 ...' but i got invalid private key. please help me getting my 24 word seed using bitcoin core
Erfan's user avatar
  • 43
3 votes
1 answer
592 views

12 or 24 words for mnemonic?

I do not have reference, but I have heard that there is no use in using more than 12 word for mnemonic, because ECDSA secp256k1 only has 128 bit strength. Is this correct? If it is, then does ...
WebOrCode's user avatar
  • 363
2 votes
1 answer
411 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 ...
Rony Tesler's user avatar
2 votes
2 answers
1k 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 ...
Jaemes 's user avatar
11 votes
5 answers
7k views

Does BIP39 mnemonic construction avoid repeating words?

Will all 24 words of a seed-phrase be unique by specification? Or is it possible for a word to occupy two positions (ie the word "tool" is #8 AND #20 in a valid, securely generated seed)
pinhead's user avatar
  • 5,164
6 votes
1 answer
4k views

Recovering a HD wallet from a partial seed phrase

I am attempting to help recover a wallet where the owner only wrote down 11 of the 12 words in the seed phrase. Initially, I thought the task would be a quick and well-defined, but it appears to be a ...
LivingInformation's user avatar
4 votes
1 answer
4k views

How to generate mycelium addresses from the 12 words in python

I am trying to re-generate the receiving addresses (and change addresses, for that matter) my mycelium wallet has generated. So far I've used trezor's implementation of BIP39 to generate the entropy ...
Gabriel's user avatar
  • 115
4 votes
1 answer
2k views

Is the "recovery phrase" generated by a wallet app platform independent?

I recently started a wallet with Coinbase Wallet, and I was asked to backup a 12 word "recovery phrase" that is supposed to be able to recover my wallet in the event that I delete the app from my ...
jay w's user avatar
  • 43
3 votes
1 answer
2k views

bip39 checksum python

Is there any Python package which will allow me to verify if the checksum of a bip39 mnemonic is valid? For instance, I have a 24-word bip39 mnemonic, and I might have made a mistake for one of the ...
Sameer Lal's user avatar
3 votes
2 answers
589 views

Pseudo code to find Bip39 checksum?

I'm trying to find the checksum for a 12-word BIP39. I can find the first eleven words just fine, but my 12th word is always off by a few positions. For example, take the 128-bit entropy ...
Daniel Portugal's user avatar
3 votes
1 answer
2k views

What prevents hackers from guessing seed phrases?

If seed phrases are generated from a finite list of mandatory words, what prevents someone from randomly generating seed phrases that might work?
Ed Would's user avatar
3 votes
1 answer
399 views

What software can I use to calculate my private key from a seed (e.g. Trezor or Ledger)?

I want to make sure I can use my seed from Trezor or Ledger (or others) in a backup process without using an actual Trezor or Ledger to do it. I have to find out my private key. I probably also need ...
bomben's user avatar
  • 518
3 votes
1 answer
3k 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
code511788465541441's user avatar
2 votes
1 answer
1k views

How does `bitcoind` generate the private key?

My question is how the bitcoin core client generates a (master) private key(s)? I know from other wallets, that they take the mnemonic and generate a HD wallet master key. With the master key, the ...
dvg's user avatar
  • 125
2 votes
1 answer
1k views

Bitcoin recovery - forgot my 12th recovery word for recovering my crypto account

I have managed to forget the last (12th) mnemonic word to my crypto-account. Could you please show me how I can find software with which I can enter recovery words from a file so that I can attempt ...
Sunshine's user avatar
2 votes
1 answer
3k views

Bruteforcing a seed with 24 words of a unknown order

How much time would it take to brute force a seed that we know all of its words but also that is completely shuffled? I ask this because the old Trezor model asks for seed in a shuffled way but still ...
Anonymous's user avatar
2 votes
4 answers
1k views

Can someone explain *simply*, but precisely, how the mnemonic seed phrase is used to produce the bip39 seed

Im referencing https://iancoleman.io/bip39/ I understand how the words are generated ("bip39 mnemonic" at the link). But Im not quite clear on how the words give rise to "bip39 seed&...
SquishyRhode's user avatar
2 votes
1 answer
871 views

BTG wallet or exchange with BIP39 seed import

Can anyone recommend a Bitcoin Gold exchange or SPV wallet for Linux that supports importing wallets from a BIP39 seed? The best I’ve found so far is a fork of Electrum that supports BTG for Windows ...
Xophmeister's user avatar
2 votes
4 answers
369 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 ...
Kevin's user avatar
  • 35
1 vote
3 answers
3k 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?
theintellects's user avatar
1 vote
0 answers
2k views

18 word mnemonic seed that contains words outside of BIP39 wordlist, struggling to recover BTC

I recently recovered a document containing information relating to some BTC I purchased in 2015. I only have: a passphrase/password, an 18 word mnemonic phrase(the majority of which are not in the ...
Sierra's user avatar
  • 11
1 vote
1 answer
548 views

Does bitcoin core 0.18 support bip44,bip39 (HD wallet)

I am new to bitcoin. Struggling to implement HD wallet. goggled for the same but did not get satisfied answer. Can we create multiple seed in single bitcoin core server? If yes, then how we can ...
Jvd's user avatar
  • 41
0 votes
2 answers
500 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.
Moe's user avatar
  • 11
0 votes
2 answers
403 views

Manually generating seed for Trezor T

Is it possible to manually create a seed from the BIP 39 English word list, and enter them in the Trezor Model T recovery to create a wallet from those words. I know that choosing the 12 words doesn't ...
Ariel's user avatar
  • 1
0 votes
1 answer
931 views

Lost my old-Electrum 12-word mnemonic seed order

I created my wallet some years ago, and wrote my seed phrase on paper, but unfortunately in a wrong order. Now I suddenly found my note and after some check I find it is in the old-Electrum wordlists. ...
五点共圆's user avatar
0 votes
1 answer
426 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-...
max-lt's user avatar
  • 105