Bip39 Buffer Is Not Defined " so that it retains the twelve integers that were randomly picked along with your calculator. As an example, the line under from your script would indicate that you just calculated the following twelve figures on the calculator: Don't share: Hardly ever share your seed https://bookmark-master.com/story18577206/seed-germinator-working-principle-not-known-details-about-bip39-word-list