Wo speichert Trezor die privaten Schlüssel der neuen Adressen?
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Ich bin ein ziemlicher Neuling bei Trezor, ich habe schon eine Weile einen, aber ich habe noch nie Geld an ihn geschickt.
Beim Senden meiner ersten BTC-Transaktion habe ich festgestellt, dass das Gerät für jede Transaktion eine neue BTC-Adresse erstellt. Das macht total Sinn Privatsphäre weise, aber ich habe einige Fragen…
Angenommen, ich verliere das Gerät und benutze die 24 Wörter, um mein Geld wiederzuerlangen, indem ich es auf einem anderen Trezor eingebe. Wo sind die privaten Schlüssel all der verschiedenen Adressen, die meine BTC erhalten haben, gespeichert?
Muss ich nicht auch mehr Gebühren zahlen, wenn die BTC auf verschiedenen Adressen gespeichert sind und von mehreren Adressen ausgezahlt werden?
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The addresses are derived deterministically from a starting value, as described here:
[https://en.bitcoin.it/wiki/BIP_0032](https://en.bitcoin.it/wiki/BIP_0032)
That’s why they can be recreated from the seed. Also, the transaction size (and thus the fees) depend on the individual transaction inputs and not on the number of different addresses.
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All the private keys are derived from your seed, I explain this here https://youtu.be/X3_t6wO2f5M
Each time you receive funds, this creates an unspent output, regardless of whether a new address is used, so you don’t save fees by simply using the same address over and over. (Though can save fees from needing less inputs)
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They are no where. Everytime the Trezor needs the old addresses, it simply re-generates them from the seed (and passphrase). The same seed (and passphrase) will generate the exact same addresses in the exact same order every time. That is why except the seed phrase (and optional passphrase) is ever needed to recover everything.
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I always found that the best way to understand the seed phrase is to think of how a world seed works in Minecraft. The same seed can generate the entire world, right down to every single tree, villager, diamond mine, but even one bit different is an entirely new world.
It works the same way in the Trezor. The random seed can generate as many wallet addresses as you like. The same way you can walk around in the infinite Minecraft world, the Trezor can traverse that list of wallet addresses to generate as many as you like.
The contents of each wallet are stored in the blockchain. So all the Trezor needs to do when loading a new seed phrase is figure out which of the generated wallets have funds or not.
You can play around with sending funds on different wallets if you like. Some other blockchains do have a fee per address. But on bitcoin, creating an address is 100% free. What you pay for is the data of the transaction. That’s the same regardless of what address it’s sent to.
Technically an address is just a public and private key pair. Your address doesn’t exist until funds are sent there. At that point, a UTXO is created in the public ledger, which is based on the public key. It says, only someone with your private key can spend those funds. Anyone else who tries will be rejected by the network.
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