Calculating Z Values for a Bitcoin Transaction

amaclin

legendary

Activity: 1260

Merit: 1019

Quote from: BTCMORGAN on February 20, 2017, 01:31:09 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?

BTCMORGAN

newbie

Activity: 15

Merit: 0

Quote from: amaclin on February 19, 2017, 04:34:10 PM

Quote from: BTCMORGAN on February 19, 2017, 01:23:23 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, 01:23:23 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, 02:02:22 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

legendary

Activity: 1260

Merit: 1019

Quote from: BTCMORGAN on February 19, 2017, 01:23:23 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, 01:23:23 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, 02:02:22 PM

What Z value? There is no value in a Bitcoin transaction or in ECDSA signatures that is called "Z".

ECDSA digest for signing

achow101

staff

Activity: 3458

Merit: 6793

Just writing some code

What Z value? There is no value in a Bitcoin transaction or in ECDSA signatures that is called "Z".

BTCMORGAN

newbie

Activity: 15

Merit: 0

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?

Topic: Calculating Z Values for a Bitcoin Transaction (Read 998 times)