Bip38 Vs Bip39 If you would like to perform a deep dive, and recognize the exact mechanisms of how BIP39 wallets transform mnemonic codes into a binary seed, You can find a description in the design document at . If cryptographic randomness isn't really available within your browser, this webpage https://relaxmusicforstress18037.blue-blogs.com/38389773/bip39-ian-coleman-5-tips-about-bip39-word-list-you-can-use-today