<p>Mining pools self-identify blocks they've created by putting an identifier into the freely choosable input space of the Coinbase transaction.</p>

CC BY-SA 3.0
2018-04-08T20:39:11.447Z
2018-04-08T20:39:11.447Z
Murch
<p>Signed blocks come with a Relayed by IP address field belonging to the solver of the puzzle. Blockchaininfo then on its own, assigns names of mining pools to the respective IP addresses.</p>

CC BY-SA 3.0
2018-04-08T16:51:06.893Z
this is wrong answer
amaclin
CC BY-SA 3.0
2018-04-08T18:17:48.687Z
would you like to elaborate?
Mario Thiel
CC BY-SA 3.0
2018-04-08T20:41:23.433Z
Blocks are not signed and they certainly don't include IP addresses when relayed. Blockchain.info does track what IP address it was relayed a transaction from first, but I assume that in the case of blocks they simply go by the self-identification included by the authoring mining pools.
Murch
CC BY-SA 3.0
2018-04-08T16:37:08.050Z
2018-04-08T16:37:08.050Z
Mario Thiel
<p>If someone access blockchain.info, see blocks and Pool name who finded. I want know how sign this? </p>

<p>Thanks</p>

<blockchain><mining-pools>
How to put pool name in a Bitcoin Block?
user8920387
# How to put pool name in a Bitcoin Block?

(Asked by: username_0 on 2018-04-08)

If someone access blockchain.info, see blocks and Pool name who finded. I want know how sign this?

Thanks

**Tags:** blockchain, mining-pools


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## 2 answers

### Answer by username_1 on 2018-04-08. Score: 3

Mining pools self-identify blocks they've created by putting an identifier into the freely choosable input space of the Coinbase transaction.


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### Answer by username_2 on 2018-04-08. Score: -1

Signed blocks come with a Relayed by IP address field belonging to the solver of the puzzle. Blockchaininfo then on its own, assigns names of mining pools to the respective IP addresses.

> **Comments:**
> **username_3**: this is wrong answer  
> **username_2**: would you like to elaborate?  
> **username_1**: Blocks are not signed and they certainly don't include IP addresses when relayed. Blockchain.info does track what IP address it was relayed a transaction from first, but I assume that in the case of blocks they simply go by the self-identification included by the authoring mining pools.  

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