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Calculating Z Values for a Bitcoin Transaction
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Topic: Calculating Z Values for a Bitcoin Transaction (Read 1023 times)
BTCMORGAN
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Calculating Z Values for a Bitcoin Transaction
February 19, 2017, 06:23:23 PM
#1
I know this has been likely asked before, but I've done research and can't seem to find an answer that allows a non-technical person such as myself to simply do this.
Is there a script (E.g.python) that I could use to automatically calculate the Z values?
achow101
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Just writing some code
Re: Calculating Z Values for a Bitcoin Transaction
February 19, 2017, 07:02:22 PM
#2
What Z value? There is no value in a Bitcoin transaction or in ECDSA signatures that is called "Z".
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amaclin
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Re: Calculating Z Values for a Bitcoin Transaction
February 19, 2017, 09:34:10 PM
#3
Quote from: BTCMORGAN on February 19, 2017, 06:23:23 PM
I know this has been likely asked before, but I've done research and can't seem to find
an answer that allows a non-technical person such as myself to simply do this.
http://bitcoin.stackexchange.com/questions/32628/redeeming-a-raw-transaction-step-by-step-example-required/32695#32695
step 14
Quote from: BTCMORGAN on February 19, 2017, 06:23:23 PM
Is there a script (E.g.python) that I could use to automatically calculate the Z values?
What do you mean by "automatically calculate"?
Who would provide the transaction for a script?
Quote from: achow101 on February 19, 2017, 07:02:22 PM
What Z value? There is no value in a Bitcoin transaction or in ECDSA signatures that is called "Z".
ECDSA digest for signing
BTCMORGAN
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Re: Calculating Z Values for a Bitcoin Transaction
February 20, 2017, 06:31:09 AM
#4
Quote from: amaclin on February 19, 2017, 09:34:10 PM
Quote from: BTCMORGAN on February 19, 2017, 06:23:23 PM
I know this has been likely asked before, but I've done research and can't seem to find
an answer that allows a non-technical person such as myself to simply do this.
http://bitcoin.stackexchange.com/questions/32628/redeeming-a-raw-transaction-step-by-step-example-required/32695#32695
step 14
Quote from: BTCMORGAN on February 19, 2017, 06:23:23 PM
Is there a script (E.g.python) that I could use to automatically calculate the Z values?
What do you mean by "automatically calculate"?
Who would provide the transaction for a script?
Quote from: achow101 on February 19, 2017, 07:02:22 PM
What Z value? There is no value in a Bitcoin transaction or in ECDSA signatures that is called "Z".
ECDSA digest for signing
Thanks Amaclin! This is what I was looking for and its good explanation. Is there any code that can do this automatically by pulling a transaction ID off the blockchain (which would import the details)?
amaclin
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Re: Calculating Z Values for a Bitcoin Transaction
February 20, 2017, 01:57:17 PM
#5
Quote from: BTCMORGAN on February 20, 2017, 06:31:09 AM
Is there any code that can do this automatically by pulling a transaction ID off the blockchain (which would import the details)?
I can write such program. Are you ready to pay for it?
And why do you want to check the txid? It is so boring!
Why not to pass the blockId (hash or height) to a program and check all transactions in block?
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