Antwort auf: Alternative Anwendungen zu ledger live – für den Datenschutz
> Hi all, does ledger live store all your transactions in a central database somewhere (if you login from another device, all past transactions appear), or is this 100% taken from blockchain?
It will use locally stored data (e.g. the master public key) along with the blockchain to obtain your transaction history.
However, all blockchain queries are run through Ledger servers. Ledger claims to not store any data related to this. It’s up to you to decide how to value that claim.
As an alternative, you could use some third party software to manage your device. For example: Electrum is a popular Bitcoin wallet application that has support for Ledger devices. Electrum still needs a full node to access the blockchain. You can choose to use a public Electrum server (but this still means your tx history is passed to another party) or you can connect it to a full node you run yourself. Bitcoin Core also supports interacting with hardware wallets, so you could cut out Electrum as the middle man. But this solution is a bit less userfriendly.
That’s for Bitcoin, I don’t know what software would do the trick for Ethereum, but I’m sure similar solutions exist.