View source for ICP custody with Ledger Nano

== Ledger Nano ==

The [https://www.ledger.com/ Ledger] Nano is one of the world’s most popular hardware wallets for safely storing crypto assets. A Ledger wallet combined with the Ledger Live app gives users complete control over their crypto, ensuring ownership over their assets while providing maximum security.

== ICP and Ledger Nano==

To use the Ledger Nano to manage your ICP follow these instructions, you need three things:

* Networked computer  
* [[Internet Identity]] with [[NNS frontend dapp]]
* Ledger Nano

You can follow the user manual here: [https://medium.com/dfinity/integrating-ledger-nano-with-the-nns-front-end-dapp-user-manual-9c5600925e16 Integrating Ledger Nano With the NNS Front-End Dapp]

==Features==

The Ledger Nano + NNS dapp integration supports the following actions:

* Receive/send ICP
* Stake a neuron
* View neurons
* Add neurons as hotkeys
* Dissolve neurons
* Disburse neurons
* Increase dissolve delay of neurons
* View NNS proposals
* Vote on NNS proposals
* Choose neurons to follow for voting
* Connect hardware wallet such as for [[ICP custody with Ledger Nano]]

==Benefits==

* Maximum control of one's seed phrase (NNS frontend dapp does not access one's seed phrase)
* Has all the functionality one needs for custody, staking, voting
* Ideal for people who want to want to combine easy web experience with to control of their seedphrase ICP

==Trade-offs and risks==

If you use this combination, you are accepting the following trade-offs:

* '''Risk of losing access''' - If you only have lose access your Ledger Nano AND forget seed phrase, you lose access to your ICP.

* '''Risk your devices do not support it''' - Not all devices and browsers support WebAuthn, so this option is sometimes not available.  Supported browsers for Ledger Nano integration currently include Chrome (desktop) v89+, Edge v89+, and Opera v76+.

== Security ==

The Ledger Internet Computer (ICP) app was built by a collaboration between [https://zondax.ch/Zondax Zondaz]'s team of engineers and cryptographers and the DFINITY Foundation. It was released and announced on December 3, 2021 [https://medium.com/dfinity/introducing-the-ledger-internet-computer-icp-app-for-nano-wallets-eed38c549f0d].

The Ledger Internet Computer (ICP) app has undergone a third-party audit and has been reviewed and approved by Ledger. You can access the Ledger Internet Computer (ICP) app repository here: https://github.com/Zondax/ledger-icp.

== See Also ==
* [[Managing ICP holdings]]
* [[ICP custody options]]