Posted by Massimo Bitcoin passphrase Aug 24, Cryptocurrencies 0 We are all interested on how to bitcoin passphrase our funds security and privacy. This starts from little things in setup and managing wallets and internet security. We are going to see what we can do on a BIP39 wallet HD wallet like ledger nano S, to increase security of your bitcoins deposit.
BIP39 standard supports the passphrase into the seed creation procedure. Otherwise you can specify your own passphrase.
In this case, the stretching function produces a different seed from the same mnemonic. Infact different passphrases give different seeds when the mnemonic remains the same.
In this way specifying a passphrase is then possible to define a wide range of seeds so totally different wallets with same mnemonic. In the same menu there is also the possibility to associate it to a specific PIN so that when you use that pin to unlock the device, that specific passphrase is automatically issued while unlocking and logging the session device.
Consider also using this technique on the most airgapped secure wallet: the coldcard wallet More infos on this video, with captions in english Share:.