Bip39 vs slip39 reddit https://list.ly/abregeouoh This can be why you should create a backup within your seed phrase using metal copyright wallet like Coinplate, which happen to be one hundred% chrome steel and BIP39 compatible. For words that have only three letters, there is not any 4th letter. For example https://bookmarkja.com/story22730591/ledger-nano-bip39-5-tips-about-bip39-standard-you-can-use-today-https-cutt-ly-uryc5rw7