Seed Phrase As blockchain is decentralized, irreversible and nameless, it’s almost impossible to freeze accounts or rollback transactions. Remember to make sure to allow for recovery from mnemonic phrases that have invalid checksums (or that you don't have the wordlist) You can also change the default wordlist at runtime in https://bookmarkmargin.com/story18541499/bip39-trezor-bip39-an-overview