Bip39 wiki https://www.hometalk.com/member/176312665/elva1377050 As a consequence of how the BIP39 standard performs It isn't ample in some cases to write down down just a seed phrase. Additionally it is vital what derivation route you had been employing. Sometimes when importing a seed phrase to a unique wallet by another vendor, https://bookmarkchamp.com/story20380430/bip39-mnemonic-generator-python-5-tips-about-bip39-checksum-you-can-use-today-https-cutt-ly-uryc5rw7