Bip39. It can be uncomplicated — if you do not concern yourself with copyright inheritance, no person else will — not your application or hardware wallet vendors, not your exchanges, rather than your wealth managers. This operates for the reason that BIP39 is supported by a lot of wallet producers. https://gatherbookmarks.com/story20338713/bip39-wallet-https-linktr-ee-bip39-the-best-side-of-bip39