Bip39 js cdn https://squareblogs.net/edelinepge/using-python-to-produce-a-bip39-mnemonic-a-developers-point-of-view Checksum development: A checksum is generated from this entropy utilizing SHA-256 hashing, which will help validate the mnemonic's integrity later. Thanks to the cryptographic design of BIP-39, a weak passphrase isn't going to reduce the protection of the opposite wallet... https://wisesocialsmedia.com/story5927848/bip39-hd-wallet-helping-the-others-realize-the-advantages-of-bip39-recovery-tool-https-cutt-ly-uryc5rw7