Auditing incoming transactions in Monero

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It is said that a view key can expose incoming transactions.

1. Is the view key enough to prove ownership of an incoming transaction?
The stealth address is calculated with
H(Ra)G + B, so I guess the public spend key must also be given?

2. Can sharing the view key also expose the incoming amounts? Aren't they all blinded with external blinding (mask) factors, so the view key will not be enough?






viewkey stealth-address auditing







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    up vote
    1
    down vote

    favorite












    It is said that a view key can expose incoming transactions.

    1. Is the view key enough to prove ownership of an incoming transaction?
    The stealth address is calculated with
    H(Ra)G + B, so I guess the public spend key must also be given?

    2. Can sharing the view key also expose the incoming amounts? Aren't they all blinded with external blinding (mask) factors, so the view key will not be enough?






    viewkey stealth-address auditing







    share|improve this question

























      up vote
      1
      down vote

      favorite









      up vote
      1
      down vote

      favorite











      It is said that a view key can expose incoming transactions.

      1. Is the view key enough to prove ownership of an incoming transaction?
      The stealth address is calculated with
      H(Ra)G + B, so I guess the public spend key must also be given?

      2. Can sharing the view key also expose the incoming amounts? Aren't they all blinded with external blinding (mask) factors, so the view key will not be enough?






      viewkey stealth-address auditing







      share|improve this question















      It is said that a view key can expose incoming transactions.

      1. Is the view key enough to prove ownership of an incoming transaction?
      The stealth address is calculated with
      H(Ra)G + B, so I guess the public spend key must also be given?

      2. Can sharing the view key also expose the incoming amounts? Aren't they all blinded with external blinding (mask) factors, so the view key will not be enough?






      viewkey stealth-address auditing




      viewkey stealth-address auditing






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      share|improve this question













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      share|improve this question








      edited 40 mins ago









      knaccc

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      5,193415










      asked 1 hour ago









      oleiba

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      355




















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          1. Yes, the view key proves that outputs were destined for a particular wallet address. It cannot be proven whether these outputs were subsequently spent, but it can be guessed that they have been spent if the outputs are referenced in a transaction that creates a change output that is also destined for that same wallet (which someone with the private view key would be able to detect).


          2. Yes, because both the output amounts and the blinding factors are encrypted using the shared secret H(aR) and included as part of the transaction data.






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            up vote
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            1. Yes, the view key proves that outputs were destined for a particular wallet address. It cannot be proven whether these outputs were subsequently spent, but it can be guessed that they have been spent if the outputs are referenced in a transaction that creates a change output that is also destined for that same wallet (which someone with the private view key would be able to detect).


            2. Yes, because both the output amounts and the blinding factors are encrypted using the shared secret H(aR) and included as part of the transaction data.






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              up vote
              2
              down vote



              accepted










              1. Yes, the view key proves that outputs were destined for a particular wallet address. It cannot be proven whether these outputs were subsequently spent, but it can be guessed that they have been spent if the outputs are referenced in a transaction that creates a change output that is also destined for that same wallet (which someone with the private view key would be able to detect).


              2. Yes, because both the output amounts and the blinding factors are encrypted using the shared secret H(aR) and included as part of the transaction data.






              share|improve this answer






















                up vote
                2
                down vote



                accepted







                up vote
                2
                down vote



                accepted






                1. Yes, the view key proves that outputs were destined for a particular wallet address. It cannot be proven whether these outputs were subsequently spent, but it can be guessed that they have been spent if the outputs are referenced in a transaction that creates a change output that is also destined for that same wallet (which someone with the private view key would be able to detect).


                2. Yes, because both the output amounts and the blinding factors are encrypted using the shared secret H(aR) and included as part of the transaction data.






                share|improve this answer












                1. Yes, the view key proves that outputs were destined for a particular wallet address. It cannot be proven whether these outputs were subsequently spent, but it can be guessed that they have been spent if the outputs are referenced in a transaction that creates a change output that is also destined for that same wallet (which someone with the private view key would be able to detect).


                2. Yes, because both the output amounts and the blinding factors are encrypted using the shared secret H(aR) and included as part of the transaction data.







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                answered 43 mins ago









                knaccc

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