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When were counting the number of ring signatures for a certain transaction do we count the number of key images or ring members of each key image?

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Monero transactions have a multi-layered ring signature.

This multi-layered ring signature has one or more rings.

There is a ring for every real output being spent. Each of these rings will have the same number of ring members, known as the ring size. These ring members are references to public keys of outputs on the blockchain (sometimes referred to as one-time output public keys or stealth addresses). Ring members which are not the real output being spent are known as decoys. An older term for the number of decoys per ring is "mixin", and therefore mixin = ring size - 1.

For every ring, there is a key image. Therefore the number of key images per transaction is the same as the number of real outputs being spent in the transaction. Each key image anonymously identifies the real output being spent in each ring, and prevents double-spends. There is only one real output being spent per ring.

  • is there a way to get the data for ring signatures? i am trying to use src.getmonero.org/resources/developer-guides/… To get the signatures.. But i was wondering if they are the correct data or not? – Sri davei Oct 25 '18 at 19:07
  • @Sridavei what do you mean by "get the data"? What information are you specifically interested in about the ring signatures? – knaccc Oct 25 '18 at 19:07
  • i want to collect the ring signatures for all the transactions in monero.. I want to do some analysis on that – Sri davei Oct 25 '18 at 19:08
  • @Sridavei I don't think you actually want all of the ring signature data. You want perhaps the references to outputs being spent, or the ring size, etc right? That information is available in the link you posted as "vin - List of inputs into transaction:" – knaccc Oct 25 '18 at 19:18
  • i really want to collect all the ring signatures to that transactions. Is the signatures in that output the correct ring signatures for that transaction?? – Sri davei Oct 30 '18 at 20:41

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