Bip39 Seed Phrase. You'd probably then do a simple recovery by using a command much like the one particular beneath. (This command employs a sample wallet file bunlded with BTCRecover) Any person else who discovers the phrase can steal the bitcoins. It have to be held mystery, one example is https://iowa-bookmarks.com/story14440051/bip39-wallets-https-linktr-ee-bip39-bip-39-no-further-a-mystery