Iancoleman Bip39 Github Generating entropy can be achieved manually or with a pc. Equally solutions have benefits and drawbacks, but when making entropy, care have to be taken to ensure that the process is completed the right way and is no cost from outside the house manipulation or observation. Backup: https://atozbookmarkc.com/story18871078/bip39-documentation-the-definitive-guide-to-bip39-phrase