Bip39 Wiki This additional complexity raises the danger of misplacing the passphrase, and thus getting rid of your copyright. Make sure you remember to enable recovery from mnemonic phrases which have invalid checksums (or that you do not have the wordlist) Use private keys at brainwallet.org, but be mindful - https://bookmarkingbay.com/story18518986/old-seed-phrase-generator-rumored-buzz-on-bip39-phrase