Is using the CLI command gen keys new to generate a cryptographically secure key-pair the most secure method for cold storage eg. paper wallet? Which signature algorithm (ed25519, secp256k1, p256) should be used and what are the benefits/drawbacks for this purpose?

Or is storing the XTZ on a Ledger hardware wallet the best/secure option? Are there other alternatives available for cold storage?

  • 1
    Question is overly broad and a matter of opinion. Please ask specific technical questions.
    – Arthur B
    Commented Jan 31, 2019 at 9:00

1 Answer 1


Hardware wallets like the Ledger Nano are good cold storage solutions.

Offline-wallet creation in an air-gap device is also a good solution.

Kukai wallet offers you the possibility to do offline-signing so your seed is never exposed to the online world when interacting with the network.

  • "ledger" and "nano" are both refering to the device "Nano S" by the company Ledger. You probably meant "Ledger" or "Trezor" (the main competitor)
    – Clement J.
    Commented Apr 14, 2019 at 21:22

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