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Questions tagged [difficulty]

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94 views

Why is 2048 the mining difficulty bound divisor?

Excerpt from page 6 of the yellow paper: The paper focuses more on the difficulty bomb ε but says little about the rationale of mandating 131072 and 2048 as scalars. I guess the former is merely an ...
2
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0answers
282 views

Solidity - check PoW difficulty

If given block data and a difficulty number, is it possible to verify that the header produced is at or above the provided difficulty from within Solidity? For example, suppose I have the following ...
1
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0answers
40 views

Why creating a block that has slightly higher difficulty can beat out any possible forks?

It is said that "The use of (block_timestamp - parent_timestamp) // 10 (* now 9)as the main input variable rather than the time difference directly serves to maintain the coarse-grained nature of the ...
1
vote
1answer
52 views

Static difficulty in 1.8.27 for local network

I am having trouble getting geth 1.8.27 to have a static difficulty on a private network. I followed the instructions from here. But when I test it, the difficulty still increases. I tried again, ...
1
vote
0answers
342 views

How exactly I can calculate difficulty for a given share

Let's say I have a share for ethereum BlockNumber = 1155545, hashNoNonce = ec31d253819762aaa186685e1eb743fc9b058b2e550539952e48abe63b0ad1c8 nonce = 4499658978045803798 What is the formula for ...
1
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0answers
162 views

How to calculate difficulty (int) based on (float)

I am trying to adapt my pool based on github.com/sammy007/open-ethereum-pool to nicehash protocol. It works more or less and I am receiving shares already, but I ran into the problem with difficulty ...
0
votes
0answers
24 views

Making difficulty static - Geth

I made a setup for a private PoA network with geth. Everything works fine, regarding mining, making transactions, connecting through http and websockets. Now I need to optimize transaction time, I ...
0
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0answers
24 views

How to define non-exploitability in the difficulty update algorithm?

In enter link description here, it is said that "We have already determined that our current algorithm is highly suboptimal on low volatility and non-exploitability, and at the very least we plan to ...
0
votes
2answers
71 views

Remove coinbase transactions in private net

I was willing to setup a private ethereum network with low difficulty. I can fix the difficulty of each block to 1 (or constant) to avoid problem of very high difficulty with increase in no of blocks. ...
0
votes
1answer
448 views

Share difficulty and hashrate

Can anybody explain relations or formulas between share difficulty, target and hashrate? Thank you.