Bip39 Passphrase. It's easy — if you don't stress about copyright inheritance, no person else will — not your program or components wallet sellers, not your exchanges, and not your prosperity managers. What constitutes a "fantastic wallet" is one which has clear, very easy to entry documentation on supported BIP https://socialbuzzmaster.com/story4226412/bip39-generator-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-generator