Bip39 Ian Coleman. The passphrase just isn't picked through the predefined list of 2048 words – it might be any word or phrase you choose. Anyone else who discovers the phrase can steal the bitcoins. It must be saved magic formula, as an example it should not be typed into https://thesocialdelight.com/story4987488/bip39-word-list-https-linktr-ee-bip39-an-unbiased-view-of-bip-39