Bitcoin Whitepaper on Privacy - Reading Assignment

Privacy Coins - Ultimate Course
#282
  1. The basic method of maintaining anonymity is keeping a public key anonymous.
  2. Satoshi suggests a new key pair should be used for each transaction to keep them from being linked to a common owner.
  3. The waekness of this method is some linking is still unavoidable with multi-input txs, which reveal that their inputs were owned by the same owner.
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#283
  1. What is the basic method of maintaining anonymity?
    by keeping public keys anonymous
  2. What additional method does Satoshi suggest?
    a new key pair should be used for each transaction to keep them from being linked to a common owner.
  3. What weakness does this additional method have?
    The risk is that if the owner of a key is revealed, linking could reveal other transactions that belonged to the same owner.
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#284
  1. The basic method is that you can’t link a public key owner to the identity of the person.
  2. Changing the public key for every transaction so it would be harder to find out links among public keys
  3. You can still have tons of information and if you can link a public key to an exchange or you can discover more information about the IP address that broadcasted the transaction the first time you can find out and discover the person behind that transaction, especially if he/she is using an exchange.
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#285
  1. The stock market model of revealing just some data maintaining privacy if the public key is maintained secured or nor can not link them but showing size, amount, time, etc.
  2. By following a scheme of tx deployment where for each output you create a public key to do not link.
  3. If in any way comes public the public key relation to someone
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#286

  1. What is the basic method of maintaining anonymity?
    -anonymous public keys

  2. What additional method does Satoshi suggest?
    -Using new key pairs for every transactions

  3. What weakness does this additional method have?

  • The risk is that if the owner of a key is revealed, linking could reveal other transactions that belonged to the same owner.
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#287

1)The basic method to maintaining anonymity is separating the public keys to keeping them anonymous.
2)Using a new public key for every transaction so that it is difficult to trace the transactions back to the owner.
3)If the owner of a public key is revealed, linking the UTXO’s can reveal other transactions made by the owner

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#288

1.) Public Keys are anonymous. You can see someone is sending a trx but not who it is.
2.) An additional Key pair for each trx. So theres no link to a common owner.
3.) If the Owner of a Key is revealed other trx are also revealed

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#289

What is the basic method of maintaining anonymity?

Keeping public keys anonymous.

What additional method does Satoshi suggest?

A new public key for every transaction.

What weakness does this additional method have?

The owner could be found when dealing with multi-input transactions.

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#290

  1. The network is sudo anonymous. So you don’t need to directly link your name etc. and your address.

  2. Using new key pair each time.

  3. When multiple UTXO are linked this can cause public key linking.

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#291
  1. Keep public keys anonymous.
  2. A key pair should be used for each transaction to keep them from being linked to common owner.
  3. If the owner of the key is revealed, linking can reveal other transactions that belong to the same owner.
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#292
  1. What is the basic method of maintaining anonymity?
    By keeping public keys anonymous, the public can see the amount transacted, but not link it to anyone.
  2. What additional method does Satoshi suggest?
    A new key pair should be used for each new transaction.
  3. What weakness does this additional method have?
    Some linking is still unavoidable. If the owner of the key is revealed, the owners other transactions could be linked.
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#293

  1. The basic method of maintaining anonymity in bitcoin protocol is to decouple identity and transactions. Provided the identity of the owner is never linked to a particular public address or signature, the spender can remain anonymous.

  2. Satoshi suggests the creation of new key pairs for each transaction.

  3. Uses of multiple inputs in a transaction can reveal their common owner.

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#294
  1. What is the basic method of maintaining anonymity?

With a private key that allow the owner to stay fairly anonymous.

  1. What additional method does Satoshi suggest?

To get a new public key with every transaction so that transaction(s) can’t be linked to the owner.

  1. What weakness does this additional method have?

I case of a transaction to multiple users anonimity can be comprimised if the identity of the owner is revealed which then can lead to all the other transactions the owner has done with that adress.

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#295

  1. What is the basic method of maintaining anonymity?
    Public key does not actually provide any personal information to identify sender/receiver.

  2. What additional method does Satoshi suggest?
    Using a new key pair for each transaction.

  3. What weakness does this additional method have?
    Some linking is still required, so the owner can still be revealed.

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#296
  1. Pseudo-anonymity from not (easily) knowing who a public key belongs to
  2. Use a different address each time to prevent linking them
  3. Sometimes the transaction constructions will dox you anyway
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#297
  1. By keeping the the public key anonymous
  2. As an additional firewall, a new key pair should be used for each transaction to keep them
    from being linked to a common owner
    3.he risk
    is that if the owner of a key is revealed, linking could reveal other transactions that belonged to the same owner
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#298
  1. A trusted thirdparty that gives the transaktion to the counterpart. Its not made public only the parties and the third party can see the identities and transaktions.
  2. Instead the flow of information is cut where identity ends and instead connects transaction to be viewed publicly on the blockchain in this case.
  3. Risk are that the identity of the sender could be linked with multi input transactions, and if it does it could reveal other transactions that person has done that might be connected to dangorous things, which could end up in trouble for that person.
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#299
  1. What is the basic method of maintaining anonymity?
  • The traditional way to maintain anonymity is to limit the amount of information available to the parties involved in a transaction and the trusted third party.
  1. What additional method does Satoshi suggest?
  • Blockchain involves a further method to secure personal information related to a transaction: keeping the public key of a party anonymous.
  1. What weakness does this additional method have?
  • With multi-input transactions, it is unavoidable to link some public keys with UTXOs as they might flow to the same owner and the public now can track that owner.
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#300
  1. The basic method of maintaining anonymity is by keeping public keys anonymous. The public can see the transaction amount but not the identity.
  2. It is suggested that new key pairs should be used for each transaction to prevent a link to a common owner.
  3. Some linking is still possible and this could reveal other transactions by the same owner.
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#301
  1. What is the basic method of maintaining anonymity?

In order to maintain anonymity on a Bitcoin transaction, public keys are kept anonymous

  1. What additional method does Satoshi suggest?

Satoshi suggests an additional step for the method of keeping public keys anonymous, by using a new key pair for each transaction. This is done in order to keep the transaction being linked to a common owner.

  1. What weakness does this additional method have?

The before mentioned methodology has an outcome: if the owner of a key is revealed, then all transactions made by that key can be linked to that same owner.

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