When was bip39 introduced https://papaly.com/1/eMEf BIP85: A newer proposal allowing the deterministic derivation of various BIP39 mnemonic seeds from the master seed. For words that only have three letters, there isn't any 4th letter. As an example While using the word “insert”, there aren't any extra letters Later on and https://atozbookmark.com/story20686347/bip39-bits-bip39-converter-an-overview-https-cutt-ly-uryc5rw7