Bitcoin Forum

I have seen some articles recently that ethereum classic is vulnerable to a 51% attack, based on the idea that the mining software is similar to other mining software, so it would take a small amount of computing power to get to 51%, eg https://www.reddit.com/r/EthereumClassic/comments/5q5o6n/etc_is_very_vulnerable_to_a_51_double_spend/

Is this true? With a market cap of $100 million I don't see how these numbers can add up. Can the risk of a 51% attack be thought of in terms of market cap, or is there no relationship? Are other major altcoins susceptible to such an attack? 

Yes it's true but the ETC CRIMINAL COIN supporters don't want you to know the true. Anyone hodling a bag of this shite deserves to be fleeced by the criminals.

There is no POW coin that it not vulnerable to 51% attack, it just depend on the amount of hash power you have, BTC is and there is a fear of that, that Chinese miners might  compromised and stage 51% attack on the network.

Not really.By saying that you are saying that ETH is in fact criminal because ETC delivered what ETH wanted to do but failed on their promises

I'm pretty sure ETC IS vulnerable to a 51% attack, but you would need a very large amount of mining power. Also, why would anyone in their right mind attack ETC at the moment? ETC as of now is nowhere near Ethereum in price, and remains so unpredictably volatile. A 51% attack requires huge resources and expenses, surely a person with that much power would attack a coin that was actually successful?

ETC is the ethereum chain.  You are supporting a hard forked Piece of Shet coin due to ETH own fuckup.

At the end of the day, Ethereum as a whole is what lost. It doesn't matter if you are supporting Bailouthereum or Classithereum, bottom line is: Vitalik Buterin fucked up big time.

The lesson of the story is: Don't hard fork, you will only fuck up the coin.

it's not true, his post is not very clear, you can't do a 51% attack without 51% hashing power, this is true for all altcoin out there that use POW system, if there are pools on etheruem classic that have 51% of the hashrate it's possible to do the attack otherwise not, and i'm not aware of such situation the hashrate is distrubuted

ETH codebase or any of the POW alts are vulnerable to 51% attack if they have very low difficulty or few miners. I have seen KR going through this type of attack which have destroyed them completely but talking about ETC even though they are clone of ETH, they have already got many miners so anyone who want to have 51% attack on ETC network have to spend lots of resources and money and i don't think anyone will be happy to do it without any personal gain.

Well, I guess we know the answer to this question now ...  :'(

Hm, you had this pinned somewhere? lol
But it is sad for 51% attacks to happen, it makes all of the cryptocurrencies seem as an unstable thing that people should not invest on. It does no one good except for the ones who profited from the attack.

It was incredible, now it happened. ETC was attacked 51% the same way you analyzed. ETC needs to upgrade and improve their systems immediately if they do not want to be boycotted from investors and the community

Yeah, its because of the attack in the last time and its the last time of ethereum classic to be dead..

LOL.
it is funny how NOW that the ethereum foundation is so desperate to push for this high risk and pointless  ETH fork to PoS we are seeing the issue about 51% attack and ETC being raised :D

I think ETC will survives this too.

I also read that recently (you can check it out on here- https://cointelegraph.com/news/litecoins-charlie-lee-decentralized-crypto-must-be-susceptible-to-51-attacks) , and there was a tweet by Litecoin’s Charlie Lee last two days where he said that adecentralized cryptocurrency must be susceptible to 51% attack… long story short, if it’s not, then it is permissions and centralized. So I’m guessing that means it’s not just ETC, but every other decentralized cryptocurrencies are on the line?

Today's ETC did receive 51% of cyberattacks, causing the price of most tokens to drop rapidly in a short period of time.

I feel sorry that ETC's dying in such agony. At the time, it was an important project we had hoped for - we bought many of those coins. Now the situation's different although only 1 year has passed

Very interesting. 51% is too big a number. Investing in a project that can be attacked at any time is too dangerous. To be honest, when I did not follow the percentage of the level of protection.

I read a news where it claimed Etc worth 220$k were stolen on exchanges, i am amazed this post has been posted 2 years ago and the reality of the question asked is manifesting presently Etc team should work on where the project to make less vulnerable.

I read that making a 51% attack on ETC costs less than one million dollars. If this is true, then this is a very small amount of money and investing in etc is a very bad idea.

Yes, I read about this event. It seems to me that all this is not just so, especially in front of the fork, which very soon will begin to take its place. You understand that this is connected and for a reason. Therefore, it is time to move.