Bip39 Checksum Failed As blockchain is decentralized, irreversible and nameless, it’s nearly impossible to freeze accounts or rollback transactions. Be sure to make sure to permit Restoration from mnemonic phrases that have invalid checksums (or that you don't have the wordlist) It's also possible to alter the default wordlist at https://livebookmarking.com/story18573427/copyright-seed-phrase-generator-considerations-to-know-about-seed-phrase-generator