Paper wallet bip39 https://www.hometalk.com/member/176312665/elva1377050 Checksum creation: A checksum is generated from this entropy working with SHA-256 hashing, which will help verify the mnemonic's integrity later. Some wallets can import several seed phrases and several only have just one standard. Be aware that not each seed phrase is similar and check https://bookmarklethq.com/story20557070/bip39-mnemonic-example-bip39-npm-no-further-a-mystery-https-dzen-ru-bip39-phrase-com