21 BTCLedger Nano S Plus / Nano X / Flex
In plain words
Ledger Nano S Plus / Nano X / Flex is a hardware wallet. The best-known brand, supports thousands of coins. The secure chip's code is closed, which many Bitcoiners dislike. Nano S Plus does not work with iPhone.
See also
- Hardware walletA hardware wallet is a small device that keeps your private keys offline and signs transactions inside itself. Even if your computer is infected, the keys never leave the device.
- Seed phraseA seed phrase is a list of 12 or 24 ordinary words that can recreate all the keys of a wallet. Whoever has the words has the bitcoin, so write them on paper or metal and never type them into a website.
- MultisigMultisig means a payment needs several keys out of a set, for example any 2 of 3. Losing one key, or having one stolen, does not lose the coins.
- Air-gappedA device that never connects to a computer by cable or network; data moves by QR code or SD card.
References
- Ledger Nano S Plus / Nano X / Flex ledger.com