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Do I understand it right that every hardware wallet company like Ledger, Trezor or Shiftcrypto run a full node (e.g. bitcoind) in their company network and every hardware wallet, which is connected via the locally installed company's software at the sender's computer just sends a request to this full node like this? No. At the basic level, a hardware wallet ...


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No. The hardware wallet company sometimes runs a node, but you could just as easily use a client like Electrum instead, and use Electrum nodes instead with your hardware wallet. All the node is used for is checking for transactions and publishing transactions. The wallet software will use the xpub from the hardware wallet to check for payments people have ...


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The design/structure of a paper wallet is not something is set in stone, but the main idea is writing public and private key pairs on a piece of paper. The universal flow for generating an address is: A public key is derived from private key A bitcoin address is derived from public key The common flow (Mnemonic) for generating an address is: Master ...


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Just to be clear/nitpick, the products you've linked to are designed to act as highly resilient physical backups for a bitcoin wallet. It doesn't really make much sense to refer to these metal plates/etc as 'metal wallets', as they cannot perform any normal wallet functions (send, receive, etc). Rather, they are just a way to store a backup for the seed that ...


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