Questions tagged [difficulty-bomb]

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3 votes
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The connection among Terminal Total Difficulty (TTD), Difficulty, and Total Difficulty

What is the connection between Terminal Total Difficulty (TTD), Difficulty, and Total Difficulty? Why can Total Difficulty increase if Difficulty decreases? I know that: difficulty: QUANTITY - ...
Milk Trudge's user avatar
0 votes
1 answer
493 views

Ethereum Difficulty Formula

Is this the current difficulty formula for Ethereum? block_diff = parent_diff + parent_diff // 2048 * max(1 - (block_timestamp - parent_timestamp) // 10, -99) + int(2**((block.number // 100000) - 2)) ...
Picard78's user avatar
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3 votes
0 answers
142 views

How many times has the Ethereum mining difficulty bomb been pushed back?

Ethereum has a built in mining difficulty bomb to force an upgrade. How many times have the difficulty bomb been pushed out? And by pushing out this mining bomb, doesn't this create more ETH into the ...
Patoshi パトシ's user avatar
2 votes
1 answer
112 views

What is the Muir Glacier hardfork?

What is the Muir Glacier hardfork on the Ethereum mainnet?
Shane Fontaine's user avatar
6 votes
3 answers
2k views

Will metropolis delay the difficulty bomb?

Vitalik said the "ice age will be delayed anyways" (with metropolis). It's not that important or applicable either way, though on the other hand that given network going to be mucking around with ...
q9f's user avatar
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5 votes
1 answer
9k views

How long will it be till ETH is not worth mining? (Ice Age)

I believe we recently started a period where difficulty bombs in ETH will have substantial effect, but it is surprisingly hard to find throughout explanation about this online, hence the question. ...
Ilja's user avatar
  • 416
3 votes
1 answer
342 views

Is there any way to diffuse the difficulty bomb and continue operating as though Ice Age doesn't exist?

I am running a private chain for my own purposes. Rather: it's a "public" discoverable chain but not any known or publicized chain. I want to continue to run this with PoW and no difficulty bomb. ...
stone.212's user avatar
  • 1,994
5 votes
1 answer
240 views

Parity: what is "bombDefuseTransition"

I see the Parity option for "bombDefuseTransition" here, under chain spec: https://github.com/paritytech/parity/wiki/Chain-specification Two questions: 1 - Why is this needed? (Would I be correct ...
stone.212's user avatar
  • 1,994
2 votes
1 answer
643 views

Hypothetical: What if ETH miners remove difficulty bomb and continue using PoW?

I am not advocating this! I am simply wondering what would happen if a bunch of ETH miners decided to remove the difficulty bomb in their clients and continue on as though everything was the same. I ...
stone.212's user avatar
  • 1,994
16 votes
2 answers
8k views

How does the Ethereum Homestead difficulty adjustment algorithm work?

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**...
BokkyPooBah's user avatar
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3 votes
2 answers
332 views

Understanding diff bomb script results

I've been using this difficulty bomb script, but when I run it... it shows not too accurate predictions. I'm interested on the predictions about how would be the behaviour of the diff bomb since block ...
devLander's user avatar
25 votes
2 answers
17k 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 ...
q9f's user avatar
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12 votes
1 answer
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 ...
Nicolas Massart's user avatar
28 votes
1 answer
24k 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 ...
Ben Vickers's user avatar
25 votes
1 answer
6k 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?
mKoeppelmann's user avatar
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