Word Within The Word List 29 As blockchain is decentralized, irreversible and anonymous, it’s almost impossible to freeze accounts or rollback transactions. Just one set of mnemonic may be used to develop a number of addresses. This technique of generating account was released in BIP32 & BIP39 long time ago. https://total-bookmark.com/story18478184/bip39-compatible-wallet-rumored-buzz-on-bip39-phrase