Bip39. At first you must store it SEPARATELY from the seed. Owning your seed and also your passphrase in the identical site defeats the objective of possessing a passphrase in the first place. Mnemonics are representation of entropy. Starting point entails creating a decision as to simply how much entropy https://getsocialselling.com/story4059909/bip39-generator-https-linktr-ee-bip39-what-does-ian-coleman-bip39-mean