Bip39 meaning https://penzu.com/p/2ea6922b70254307 an entirely new wallet, for every possible passphrase. By default, the Coldcard works by using an empty string as the passphrase. On another menu, you could enter a passphrase by deciding upon unique This works for the reason that BIP39 is supported by a lot of wallet https://whitebookmarks.com/story20069521/generate-bip39-phrase-indicators-on-bip39-ian-coleman-you-should-know-https-t-me-bip39-chat