Bip39 format example https://collinmmss433.lucialpiazzale.com/from-concept-to-fact-generating-bitcoin-addresses-with-bip39 A BIP39 seed phrase designed with correct randomness can't be guessed by means of brute force, because there are simply too many permutations. Some wallets can import different seed phrases and a few only have a person standard. Be aware that not every seed phrase is https://wise-social.com/story5365149/bip39-copyright-not-known-details-about-bip39-word-list-txt-https-linktr-ee-bip39