When was bip39 introduced https://telegra.ph/Producing-Custom-Bitcoin-Addresses-A-Take-A-Look-At-BIP39-Strategies-06-28 Cryptographic Protection: The generator employs advanced cryptographic techniques to develop seed phrases which have been almost not possible to guess or replicate. For words that have only 3 letters, there isn't a 4th letter. As an example Using the word “insert”, t... https://altbookmark.com/story22363704/bip39-mnemonic-code-converter-bip39-ian-coleman-for-dummies-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw