<p>The two things that came to mind were that the miner could be mining transactions that other miners do not accept into their mempools, or that the submitter has some sort of out-of-band relationship that causes the miner to prioritize the transaction over the transaction fee’s nominal priority. In the first case, the miner may be able to collect fees that are inaccessible to miners adhering to stricter mempool policies, in the latter case, there might be a situation in which a some sort of bulk blockspace sale could be perceived attractive by both sides.</p>

CC BY-SA 4.0
2024-08-19T15:35:39.363Z
2024-08-19T15:35:39.363Z
Murch
<p>I am wondering <strong>why</strong> some users are interested to send their Bitcoin transactions to a specific miner? This should increase the delay because of waiting for the specific miner to win.
Are there any incentives for bitcoin miners and users?</p>

CC BY-SA 4.0
2022-05-24T13:17:54.217Z
Have you seen any evidence that this is indeed the case? Can you link to it?
Pieter Wuille
CC BY-SA 4.0
2022-05-24T14:18:32.250Z
Yeah, I have active research in this area. I will link to my paper ASAP.
Motiv
<mining-pools><mempool><relay><blockspace-market>
Why would users want to submit a transaction directly to a specific miner?
Motiv
# Why would users want to submit a transaction directly to a specific miner?

(Asked by: username_0 on 2022-05-23)

I am wondering **why** some users are interested to send their Bitcoin transactions to a specific miner? This should increase the delay because of waiting for the specific miner to win.
Are there any incentives for bitcoin miners and users?

**Tags:** mining-pools, mempool, relay, blockspace-market

> **Comments:**
> **username_1**: Have you seen any evidence that this is indeed the case? Can you link to it?  
> **username_0**: Yeah, I have active research in this area. I will link to my paper ASAP.  

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## 1 answers

### Answer by username_2 on 2024-08-19. Score: 0

The two things that came to mind were that the miner could be mining transactions that other miners do not accept into their mempools, or that the submitter has some sort of out-of-band relationship that causes the miner to prioritize the transaction over the transaction fee’s nominal priority. In the first case, the miner may be able to collect fees that are inaccessible to miners adhering to stricter mempool policies, in the latter case, there might be a situation in which a some sort of bulk blockspace sale could be perceived attractive by both sides.


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