<p>am trying to find a z value of a transaction that is signed in a merkle tree/root block , i coudn't find a raw tx id in hex  of that specific transaction that signed with  specific address while a raw tx id hex is the hashing of all other addresses in the block , so i couldn't extract Z value from it .. !!!</p>

CC BY-SA 4.0
2020-12-19T21:41:38.423Z
What is a "z value" ?
Pieter Wuille
CC BY-SA 4.0
2021-01-19T19:53:29.010Z
@PieterWuille Hash of the message ( m )
OBL 
<ecdsa><merkle-tree><merkleblock>
How Can i Extract a Z value of a specific Bitcoin Transaction that Belongs to a merkel tree/root transaction?
OBL 
# How Can i Extract a Z value of a specific Bitcoin Transaction that Belongs to a merkel tree/root transaction?

(Asked by: username_0 on 2020-12-19)

am trying to find a z value of a transaction that is signed in a merkle tree/root block , i coudn't find a raw tx id in hex of that specific transaction that signed with specific address while a raw tx id hex is the hashing of all other addresses in the block , so i couldn't extract Z value from it .. !!!

**Tags:** ecdsa, merkle-tree, merkleblock

> **Comments:**
> **username_1**: What is a "z value" ?  
> **username_0**: @PieterWuille Hash of the message ( m )  

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## 0 answers

