A simple angular2 web ui wrapped around ledger's node api, allows transacting of counterparty tokens with ledger nano s https://github.com/LedgerHQ/ledger-node-js-api
live demo of the app may be found here https://ledger-cp.herokuapp.com/
View balance of ledger address found at index "44'/0'/0'/0", via indiesquare api Create send transactions via indiesquare api, sign via ledger and broadcast Sign and broadcast a raw transaction created by your trusted node.
##Caveats As a native counterparty app has not yet been developed so the ledger uses the bitcoin app. This will validate the bitcoin components of the transaction but not the counterparty. Blindly signing a coutnerparty transaction you did not create is not considered safe. (note you can sign your own unsigned hex)
##To be done A native counterparty app for the ledger needs to be created that will verify and show to the user on the device what tokens are been sent. If somebody is willing to develop this for the community it would be much appreciated.
It seems this can be done by forking the btc blue app and adding a function that will parse the output script of the transaction to be signed. The parsed data can then be displayed on the ledger screen.
Native bitcoin app https://github.com/LedgerHQ/blue-app-btc https://github.com/ledgerhq/blue-devenv
Counterparty transaction parsing script https://github.com/tokenly/counterparty-transaction-parser
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