Bip39 checksum calculator https://rentry.co/p68weyby This can be why you should come up with a backup of the seed phrase making use of steel copyright wallet like Coinplate, that are a hundred% stainless-steel and BIP39 compatible. For example, when you initially arrange your wallet and generated seed utilizing Ledger Nano S https://bookmarkmiracle.com/story21851859/bip39-add-private-key-bip39-compatible-wallet-options-https-linktr-ee-bip39