Bip39 Seed. A mnemonic phrase, mnemonic recovery phrase or bitcoin seed can be a list of words which retail store all the information needed to recover a bitcoin wallet. A wallet will generally crank out a mnemonic backup phrase and instruct the person to jot down it down on paper. https://socialexpresions.com/story4132452/bip39-word-list-https-linktr-ee-bip39-the-basic-principles-of-bip39-mnemonic