Adesivo bip 39 https://giphy.com/channel/ebliciwsah Checksum creation: A checksum is produced from this entropy working with SHA-256 hashing, which allows validate the mnemonic's integrity later. Thanks to the cryptographic style and design of BIP-39, a weak passphrase would not lessen the safety of the opposite wallets or support reveal the seed https://telegra.ph/Producing-Custom-Bitcoin-Addresses-A-Take-A-Look-At-BIP39-Strategies-06-28