Bip39 Passphrase. Usually Test if components wallet manufacturer explicitly point out the ability to restore wallet from some other compatible wallet (BIP39/BIP44) while in the documentation. Sharing your seed's site with someone else instead of worrying about them with the ability to take your money. Entropy is an advanced attribute. https://defaultdirectory.com/listings13055021/bip39-mnemonic-generator-https-linktr-ee-bip39-the-single-best-strategy-to-use-for-bip39-standard