Bip39 standalone https://blogfreely.net/travenmdoq/create-your-own-distinct-bip39-mnemonic-expression-with-python-scripts Checksum generation: A checksum is produced from this entropy making use of SHA-256 hashing, which aids validate the mnemonic's integrity later. Simply how much safety does a passphrase incorporate? A BIP39 passphrase substantially boosts your Bitcoin wallet’s secu... https://dzen.ru/bip39-phrase.com