<p>You will have to check up to 128 variants. Try this software: <a href="https://kzen-networks.github.io/mnemonic-recovery/src/index.html" rel="nofollow noreferrer">https://kzen-networks.github.io/mnemonic-recovery/src/index.html</a></p>

CC BY-SA 4.0
2019-08-14T12:04:29.217Z
Please be very careful before entering even key information into a random website, and make sure to review the code.
Raghav Sood
CC BY-SA 4.0
2019-08-14T20:56:20.380Z
Thanks for this suggestion & caution and I'll try it with the code on an air-gapped PC.
jcintexas
CC BY-SA 4.0
2022-04-30T16:21:05.263Z
This is almost a link-only answer. And the link is no longer valid (error 404)
RedGrittyBrick
CC BY-SA 4.0
2019-08-14T10:03:40.487Z
2019-08-14T10:03:40.487Z
ik15
<p>I suggest using the Seed Tool: <a href="https://bitcoiner.guide/seed/" rel="nofollow noreferrer">https://bitcoiner.guide/seed/</a></p>

CC BY-SA 4.0
2022-09-01T19:02:55.413Z
We generally like answers to be a more elaborate here. Since the asker stated that he is a programming novice, you could for example further explain how the asker would use the tool to recover the missing word. Note that we generally remove link-only answers as low-quality.
Murch
CC BY-SA 4.0
2022-08-29T14:31:05.437Z
2022-08-29T14:31:05.437Z
Greg Tonoski
<p>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 be an algorithmic way to work through an array of the 2048 words and associate the result with my public keys for the wallet to find the right word.</p>

<p>I'm a newbie programmer, so any guidance on an approach to solve would greatly help and help me avoid a long manual slog. Thanks.</p>

CC BY-SA 4.0
2019-08-13T17:00:46.127Z
There is a 4-bit checksum, and there is code such as https://github.com/bharathrao/bip39check to list words that satisfy the checksum, so that should cut you down to roughly 128 possibilities.
Nate Eldredge
CC BY-SA 4.0
2019-08-13T17:17:36.010Z
That definitely makes it a more manageable manual task... thanks Nate!
jcintexas
CC BY-SA 4.0
2022-08-28T22:25:17.563Z
Does this answer your question? [Lost my Bitcoin wallet and have only 11 out of 12 mnemonic seed phrase words. How can I get my Bitcoins?](https://bitcoin.stackexchange.com/questions/78987/lost-my-bitcoin-wallet-and-have-only-11-out-of-12-mnemonic-seed-phrase-words-ho)
RedGrittyBrick
CC BY-SA 4.0
2022-09-28T16:40:15.920Z
I created a little tool for this a while back: https://sutterseba.github.io/. Make sure to run it offline and verify the code first.
sutterseba
<mnemonic-seed><wasabi-wallet>
Algorithm to recover missing 12th word (of 12) in BIP39 mnemonic
jcintexas
# Algorithm to recover missing 12th word (of 12) in BIP39 mnemonic

(Asked by: username_0 on 2019-08-13)

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 be an algorithmic way to work through an array of the 2048 words and associate the result with my public keys for the wallet to find the right word.

I'm a newbie programmer, so any guidance on an approach to solve would greatly help and help me avoid a long manual slog. Thanks.

**Tags:** mnemonic-seed, wasabi-wallet

> **Comments:**
> **username_1**: There is a 4-bit checksum, and there is code such as https://github.com/bharathrao/bip39check to list words that satisfy the checksum, so that should cut you down to roughly 128 possibilities.  
> **username_0**: That definitely makes it a more manageable manual task... thanks Nate!  
> **username_2**: Does this answer your question? [Lost my Bitcoin wallet and have only 11 out of 12 mnemonic seed phrase words. How can I get my Bitcoins?](https://bitcoin.stackexchange.com/questions/78987/lost-my-bitcoin-wallet-and-have-only-11-out-of-12-mnemonic-seed-phrase-words-ho)  
> **username_3**: I created a little tool for this a while back: https://username_3.github.io/. Make sure to run it offline and verify the code first.  

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## 2 answers

### Answer by username_4 on 2019-08-14. Score: 0

You will have to check up to 128 variants. Try this software: <https://kzen-networks.github.io/mnemonic-recovery/src/index.html>

> **Comments:**
> **username_5**: Please be very careful before entering even key information into a random website, and make sure to review the code.  
> **username_0**: Thanks for this suggestion & caution and I'll try it with the code on an air-gapped PC.  
> **username_2**: This is almost a link-only answer. And the link is no longer valid (error 404)  

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### Answer by username_6 on 2022-08-29. Score: 0

I suggest using the Seed Tool: <https://bitcoiner.guide/seed/>

> **Comments:**
> **username_7**: We generally like answers to be a more elaborate here. Since the asker stated that he is a programming novice, you could for example further explain how the asker would use the tool to recover the missing word. Note that we generally remove link-only answers as low-quality.  

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