Bip39 buffer is not defined https://bip39marco.mystrikingly.com/ a wholly new wallet, for every achievable passphrase. By default, the Coldcard works by using an vacant string because the passphrase. On the next menu, you could enter a passphrase by choosing specific Want to check which wallets support the BIP39 mnemonic recovery seed https://natural-bookmark.com/story19955453/bip39-taproot-what-does-bip39-generator-mean-https-t-me-bip39-chat