Bip39 Checksum. While there are actually BIP39 wordlists in languages aside from English, it is strongly not recommended to employ non-English words for wallet backups. It'd make restoring the wallet hard or unachievable. What constitutes a "good wallet" is one that has crystal clear, easy to obtain documentation on supported https://listingbookmarks.com/story18734597/bip39-wallets-https-linktr-ee-bip39-a-review-of-bip39-generator