Linked Questions

25
votes
2answers
16k views

When will the difficulty bomb make mining impossible?

I know the answer must be out there in the code already, but I couldn't figure out where exactly. Could someone do the maths for me: With block 200k the difficulty bomb started increasing the ...
22
votes
3answers
19k views

How is the Mining Difficulty calculated on Ethereum?

Having read various pieces of documentation, it's still not completely clear to me what dictates the difficulty rise, and how Ethereum difficulty levels differ to Bitcoin. In the past week ...
25
votes
1answer
5k views

What is the “difficulty bomb” and what is the goal of it?

The difficulty bomb is related to the switch to proof of stake. How does it work exactly and why is it going to help to switch to proof of stake?
13
votes
1answer
2k views

Is it possible to change the block target time?

We're curious to know what factors go into block times in a private network with a limited number of validators. Is this fixed or can it be parameterized in any way? How is it related to block times ...
12
votes
1answer
2k views

What if difficulty bomb makes mining impossible before POS release?

As mining difficulty raises and POS is still not ready, I was just wondering if POS release can still be on time compared to the difficulty bomb giving too high difficulty. In simpler words, is there ...
7
votes
2answers
541 views

Can a child block have an earlier timestamp than the parent block?

From From EIP 2, the Homestead difficulty adjustment algorithm is: block_diff = parent_diff + parent_diff // 2048 * max(1 - (block_timestamp - parent_timestamp) // 10, -99) + int(2**...
10
votes
2answers
689 views

What is the measured distribution of block times since Homestead?

The variance of block times should arguably follow a Poisson distribution. But by casual observation I've seen blocks fast as 4 s or 1 m 15 s. The average is around 14 s since Homestead. If it follows ...
2
votes
1answer
2k views

How difficulty is related to mining in ethereum blockchain ?

I am very much curious to know how difficulty is related to the mining process and how the static difficulty will effect the mining process ?
4
votes
1answer
636 views

What was the first block mined with Homestead?

What was the first Homestead mined block? 1,150,000 was planned if someone can confirm? https://ethereum.stackexchange.com/a/1834/264 can one see that its a homestead block by some property? ...
2
votes
0answers
3k views

Does Ethereum has halving or anything equivalent?

Bitcoin has a halving which will likely happen around June 2020. Is there anything similar for Ethereum? If not, why?
4
votes
1answer
630 views

Are there any drawbacks for making difficulty static on a private chain?

I have made difficulty static in my private block chain, so I can have static response time. Are there any drawbacks of doing this?
1
vote
1answer
910 views

What happens if the block time changes to 5 seconds?

Related to this and this. The difficulty adjustment algorithm is: block_diff = parent_diff + parent_diff // 2048 * max(1 - (block_timestamp - parent_timestamp) // 10, -99) + int(...
3
votes
2answers
692 views

Is it possible to decrease difficulty of ongoing private Ethereum blockchain?

Please note that my question is in addition to following question: How do I decrease the difficulty on a private testnet?. I am sorry that, I am lost in its answers. [Q] Is it possible to decrease ...
1
vote
1answer
1k views

Chain Specification “difficulty” vs. Hash Rate?

What does "difficulty" refer to in the chain specification, if actual difficulty is determined by hashrate? I know that "difficulty" went down after the ETH/ETC fork, but why then is difficulty in ...
5
votes
1answer
419 views

What are the mechanisms that use the Ethereum network to decide when a block B is done and we are going to mine block B+1?

I know from the Ethereum Stats that a block is mined on average within 14 secs. But that is only on average. I want to know, step by step if possible, what are he mechanisms to say "okay, this block ...

15 30 50 per page