What is a Passphrase? bacoor_support June 06, 2018 08:07 Updated Follow Passphrase is a sequence of twelve random words which is required to restore your wallet. It is also called Mnemonic Phrase. Please see this articles for more information! Related articles How to sync my HB on Mobile with HB on Dekstop? What is Blockchain? Comments 0 comments Please sign in to leave a comment.