Bip39 is not defined https://www.storeboard.com/blogs/ai-for-small-business/browsing-the-globe-of-bitcoin-addresses-the-value-of-bip39/6240727 Checksum creation: A checksum is produced from this entropy making use of SHA-256 hashing, which can help confirm the mnemonic's integrity later. BIP39 is like the ability to “read” and have an understanding of the seed phrase. But, your wallet... https://bookmark-vip.com/story20552282/bip39-github-bip39-compatible-wallet-can-be-fun-for-anyone-https-linktr-ee-bip39