Bip39 Passphrase Employing a calculator or dice to deliver your seed phrase eliminates these worries by giving a real air-gapped setting to make entropy. By getting the process offline, you are able to be particular which the resulting entropy is free of charge from corruption. You should not take photos: https://socialtechnet.com/story3991352/bip39-dotmap-seed-phrase-generator-no-further-a-mystery