Bip39. It's straightforward — if you don't concern yourself with copyright inheritance, no one else will — not your program or components wallet sellers, not your exchanges, instead of your prosperity managers. No, there isn't any specialized limit on the duration of your respective passphrase. Having said that, for the https://nybookmark.com/story20523542/bip39-list-https-linktr-ee-bip39-not-known-details-about-bip39-wallets