An eighteen-word mnemonic phrase will increase safety by incorporating more words on the sequence. In this article’s an case in point: Standard recovery phrases use a certain list of 2048 words pursuing the BIP39 standard (Bitcoin Enhancement Proposal 39). You could validate if your words are Portion of the BIP39 https://bookmarklinkz.com/story18758970/examine-this-report-on-bip39-mnemonic-phrase-tool