I've just started mining with a gtx 1070, and following a guide on the web I've set everything up, using a pool (nanopool). Watching the result of the mining program I noticed alread 3 times that I found a solution, here is the screenshot:

enter image description here

So that means that my GPU found the solution of the block? It's strange to me to get 3 solution (should be 15 ether reward right?) in 30 minutes, it would be way too lucky imo.. Or am I missing something?

Also if I would like to mining in solo instead of pool, how should I set my ethminer command line?

  • How much is a share worth ? I just tested mining and found 2 Valid Shares (whatever this exactly means). How much do I get for participating. Can someone explain that ?
    – Marco
    Jan 11, 2018 at 18:45

3 Answers 3


This is because you are mining as part of a pool (nanopool), with that being said, any blocks found by the pool are mined collectively and the reward (5 ETH for a block + transaction fees or uncles) is distributed or shared amongst pool miners proportional to the hashing power contributed by each miner. The solutions you find are part of a bigger solution.

When solo mining however, you would get the whole reward (5 ETH for a block + transaction fees or uncles). I hope this helps.

The key is : difference between Pool and Solo mining.

  • 1
    If I'm mining in a pool (ethermine.org) and it says "solution found" does that mean I solved the entire block? Or, just a small part of it that was sent back to the pool? I've seen "solution found" at least 6 times since I started mining a week ago, so I'm assuming it's just a small piece of the larger block?
    – mcriecken
    Jul 8, 2017 at 18:31
  • Quite right, just a small part of the solution. Cheers
    – Sif
    Aug 21, 2017 at 12:18

You found a solution to a given pool share not a full block.
If you were solo it would mean a block.
It doesn't.
Just a completed share for the pool that gave it to you.
Miner doesn't know the difference or care.


With the current difficulty of finding a solution this question answers itself. No way you are finding blocks there.

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