Bip39 spec https://canvas.instructure.com/eportfolios/3396498/ricardooxtv236/bip39-generator-online-the-very-best-tools-for-secure-pocketbook-development BIP85: A more recent proposal permitting the deterministic derivation of multiple BIP39 mnemonic seeds from the learn seed. BIP39 is like a chance to “study” and fully grasp the seed phrase. But, your wallet also needs to know how to... https://nimmansocial.com/story10224896/bip39-number-of-words-the-single-best-strategy-to-use-for-bip39-generator-https-dzen-ru-bip39-phrase-com