Bip39 Standard. What this means is the fact that if you set a passphrase any time you configure your wallet, and Then you definately put some copyright into your wallet - all is properly; the thing is your copyright! But then if you decide to put in a second wallet, https://glowingdirectory.com/listings13019091/bip39-wallet-https-linktr-ee-bip39-an-unbiased-view-of-bip39-passphrase