Bip39 split mnemonic https://josuejnub341.image-perth.org/the-future-of-copyright-security-why-bip39-issues-for-every-person an entirely new wallet, for every possible passphrase. By default, the Coldcard makes use of an vacant string as the passphrase. On another menu, you are able to enter a passphrase by picking particular person BIP39 increases wallet security by producing backups... https://thebookmarkage.com/story20115842/bip39-golang-what-does-bip39-generator-mean-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw