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What does this variable R mean

Bitcoin Asked by hisham yem on October 24, 2021

What does this variable R mean if it is the same in transaction signatures, and can I find S Z from the transaction I want an explanation or someone helps me to find the variables

type address: 3AQYerxq4C2qmjthFpKCHYuoM8mzMRE9Q7
ADDRESS-R-SCAN:
Data for pubkey: 3AQYerxq4C2qmjthFpKCHYuoM8mzMRE9Q7 has 50 Txs
Fetching Txs from offset 0
Fetching Txs from offset 50
Resued R-Value:
87c735eb8413a42fc856eec1ff432ef43c25
Resued R-Value:
87c735eb8413a42fc856eec1ff432ef43c25
Resued R-Value:
87c735eb8413a42fc856eec1ff432ef43c25
Resued R-Value:
87c735eb8413a42fc856eec1ff432ef43c25
Resued R-Value:
87c735eb8413a42fc856eec1ff432ef43c25
Resued R-Value:
87c735eb8413a42fc856eec1ff432ef43c25
Resued R-Value:
87c735eb8413a42fc856eec1ff432ef43c25
Resued R-Value:
87c735eb8413a42fc856eec1ff432ef43c25
Resued R-Value:
87c735eb8413a42fc856eec1ff432ef43c25
Resued R-Value:
87c735eb8413a42fc856eec1ff432ef43c25
Resued R-Value:
87c735eb8413a42fc856eec1ff432ef43c25
Resued R-Value:
87c735eb8413a42fc856eec1ff432ef43c25
Resued R-Value:
87c735eb8413a42fc856eec1ff432ef43c25
Resued R-Value:

Resued R-Value:

Address 3AQYerxq4C2qmjthFpKCHYuoM8mzMRE9Q7 has 15 reused R values!

One Answer

ECDSA signing uses a random number called the nonce. A signature contains two numbers (r, S). r is generated only from the nonce and the nonce mustn't be reused. When the nonce is reused, r is the same too.

https://www.maximintegrated.com/en/design/technical-documents/tutorials/5/5767.html Eq 2 shows how r only depends on the S.

I don't know what you're referring to as Z.

Answered by MCCCS on October 24, 2021

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