Bip39 Vs Slip39. A mnemonic phrase, mnemonic recovery phrase or bitcoin seed is usually a list of words which retailer all the data required to recover a bitcoin wallet. A wallet will usually generate a mnemonic backup phrase and instruct the user to put in writing it down on paper. https://bookmarkfox.com/story4470102/bip39-wallets-https-linktr-ee-bip39-a-review-of-bip39-generator