Bip39. Enhanced security: By storing your keys offline, hardware wallets safeguard towards online hacks and malware. For words that have only three letters, there's no 4th letter. For instance Along with the word “include”, there won't be any extra letters afterwards and therefore needs to be the word "include". The https://mynichedirectory.com/listings13063409/bip39-python-https-linktr-ee-bip39-5-simple-techniques-for-bip39-wallet