Bip39 Github. You would probably then do a primary recovery with a command such as a single below. (This command makes use of a sample wallet file bunlded with BTCRecover) Any individual else who discovers the phrase can steal the bitcoins. It has to be saved secret, one example is https://meshbookmarks.com/story18801372/bip-39-https-linktr-ee-bip39-not-known-factual-statements-about-bip39-list