An eighteen-word mnemonic phrase will increase safety by including more words towards the sequence. Right here’s an example: This information points out BIP39, the standard that defines how seed phrases are made, and summarizes how BIP32 and BIP44 standards let wallets to supercharge seed phrases to help numerous additional keys. https://one-bookmark.com/story19412173/ledger-seed-phrase-bip39-no-further-a-mystery