Bip39 Recovery Phrase Lots of people back up their wallet seed phrases or private keys on paper, local products like hardware wallets or USBs, or while in the cloud. All of these choices have significant disadvantages that range between hacking to accidental reduction to disrupted cloud companies. You can see https://isocialfans.com/story4041992/bip39-passphrase-solana-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39