Bip39 Passphrase. Consider tips on how to securely back up and move around the passphrase if wanted: Although you could theoretically trust in your memory, you may want to think about a safe backup strategy. words, or enter your own personal under. Mnemonics with under twelve words have low entropy https://socialbuzzfeed.com/story4327823/bip39-wallets-https-linktr-ee-bip39-bip39-wallet-can-be-fun-for-anyone