<p>Most wallets use the same algorithm, as it is an open standard, <a href="https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki" rel="nofollow noreferrer">BIP-39</a>.</p>
<p>A notable exception is <a href="https://electrum.readthedocs.io/en/latest/seedphrase.html" rel="nofollow noreferrer">Electrum</a>, which uses a similar, but slightly different mechanism. This is publicly documented and can be reproduced by others.</p>

CC BY-SA 4.0
2022-03-21T22:48:45.203Z
2022-03-21T22:48:45.203Z
Mark H
<p>Many hardware wallets provide the passphrase function that allows you to protect your assets even if your 24 seed phrases are compromised. But I worry that the different companies use different passphrase algorithms. Let's say I store my Bitcoin on Ledger using 24 words + passphrase and 10 years later, Ledger company does not exist. Can I recover my wallet to other hardware wallets?</p>

<private-key><hardware-wallet><passphrase><ledger-hardware-wallet>
Is passphrase (the 25th word) using open source algorithms? Can I recover the passphrase on any hardware wallets?
Hinoon
# Is passphrase (the 25th word) using open source algorithms? Can I recover the passphrase on any hardware wallets?

(Asked by: username_0 on 2022-03-21)

Many hardware wallets provide the passphrase function that allows you to protect your assets even if your 24 seed phrases are compromised. But I worry that the different companies use different passphrase algorithms. Let's say I store my Bitcoin on Ledger using 24 words + passphrase and 10 years later, Ledger company does not exist. Can I recover my wallet to other hardware wallets?

**Tags:** private-key, hardware-wallet, passphrase, ledger-hardware-wallet


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## 1 answers

### Answer by username_1 on 2022-03-21. Score: 2 | Accepted answer

Most wallets use the same algorithm, as it is an open standard, [BIP-39](https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki).

A notable exception is [Electrum](https://electrum.readthedocs.io/en/latest/seedphrase.html), which uses a similar, but slightly different mechanism. This is publicly documented and can be reproduced by others.


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