Bip39 Standard. A mnemonic phrase, mnemonic recovery phrase or bitcoin seed is often a list of words which retail store all the data required to recover a bitcoin wallet. A wallet will commonly create a mnemonic backup phrase and instruct the consumer to put in writing it down on paper. https://bookmarkspy.com/story20320901/bip39-wallets-https-linktr-ee-bip39-bip39-words-secrets