An eighteen-word mnemonic phrase will increase security by adding extra words to the sequence. Listed here’s an instance: Standard recovery phrases use a selected list of 2048 words pursuing the BIP39 standard (Bitcoin Advancement Proposal 39). You may confirm In the event your words are Element of the BIP39 list https://gogogobookmarks.com/story19020278/a-review-of-bip39-passphrase