Bip39 last word checksum https://blogfreely.net/travenmdoq/create-your-own-distinct-bip39-mnemonic-expression-with-python-scripts The buy on the mnemonic phrase matters. For those who mess up the purchase then You can't Get better your wallet. All your money might be shed for good. Ensure you have a correct backup. This tends to provide you with empty balances. This is https://socialeweb.com/story6145925/enter-a-bip39-passphrase-new-step-by-step-map-for-bip39-word-list-txt-https-dzen-ru-bip39-phrase-com