>50% attack

[AndrewK]

This is probably a dead horse... But if anyone wanted to attack bitcoin...


They wouldn't just do it by stockpiling a shitload of asics... They would probably stockpile a more modest/resonable number of asics/fpgas and launch attacks targeting the top pools.

Unless I'm thinking about this wrong you would only need to take out the top 3 or 4 pools and you could cut hashrate really substantially.

If there is a reason this is not feasible please enlighten me. I am rather new so maybe I'm missing something like... How long you'd have to have greater than 50% network hashrate... etc.

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[Stephen Gornick]

This is probably a dead horse...

Past dead.  But as long as you took another swing ...

They would probably stockpile a more modest/resonable number of asics/fpgas and launch attacks targeting the top pools.

More hashing against pools helps the pool rather than hurt them.  Or are you talking DDoS, and not doing hashing?

[AndrewK]

Denial of service attack of the pools... Reduce overal network hashrate... Then you would need substantially less hashing power to get >50% right?

I am naive about the network.... But can you trace back large solo miners from the network as well via IP? That way you could knock out a couple of them as well... Just thinking outloud.

[Graet]

yeah old subject is old
all the good mining software allows to set backup pools, pool 1 goes down it automatic switches to another, pool 1 comes up it auto switches back, pool 1 stays down pool 2 goes down it auto switches to pool 3 etc etc some people set 10 pools
also most of the smarter miners setup p2pool and then solo as last failovers - they are never not mining

move along - nothing to see here

[Graet]

lol
any miner that can read and uses cgminer can set this up - there is an extensive README file in the folder, at times I have even helped people set this up

I am not sure why you have such a low opinion of miners
you obviously know little of mining or pool operators - extreme opinions though

this is an old subject, if you took any effort to look through these forums you would see it well covered

[Graet]

I wish I had time to help you dispel your confusions
unfortunately I have a life and family to consider

you talk like a sock puppet
got a reason for all the hate coming from you?

[jborkl]

Wow, someone is angry

someone pee pee in your mining cheerios?

Diablo miner or Bamt have a very easy to follow install and pool failover.

If you need help just ask nice and I would be happy to post some easy to follow instructions for solo or pool mining.

If you want to solo mine, download bitcoin client first- then come back in a few hours and say when its done

[Morblias]

Setting backup pools is so easy a gorilla could do it. You wake up on the wrong side of the bed today subSTRATA?

[Rubberduckie]

I wish I had time to help you dispel your confusions
unfortunately I have a life and family to consider

you talk like a sock puppet
got a reason for all the hate coming from you?

"Dodge the challenge" attempt No.2 - failed! Hear me out, you irresponsible shit = you should not promote and advertise your
asumptions around! Asumptions are mothers of all fuck-ups! Unless you can prove what you posted up there, please, for
the sake of Bitcoin longevity, STFU!

You or anyone else here showing-off VIP / God-like / whatever statuses can not trick me into thinking you are 100% correct.
Moreover, I ain't gonna let you trick others, which include my friends, family and all future generations to come, people who
are supposed to reject existing currencies and embrace Bitcoin. You seems to be unaware of responsiblities and consequences.

all the good mining software allows to set backup pools, pool 1 goes down it automatic switches to another, pool 1 comes up it auto switches back, pool 1 stays down pool 2 goes down it auto switches to pool 3 etc etc some people set 10 pools
also most of the smarter miners setup p2pool and then solo as last failovers - they are never not mining

ranting with a bad attitude is going to get you very far or encourage anyone to answer your questions.

I'd suggest going back to bed,waking up and starting today again

Again - proof or STFU!

[crazyates]

Between your incoherent and aggressive ramblings, I think I gathered that you want proof that an average user can set up backup pools? Taken from the CGMiner thread, very first post:

MULTIPOOL

FAILOVER STRATEGIES WITH MULTIPOOL:
A number of different strategies for dealing with multipool setups are
available. Each has their advantages and disadvantages so multiple strategies
are available by user choice, as per the following list:

FAILOVER:
The default strategy is failover. This means that if you input a number of
pools, it will try to use them as a priority list, moving away from the 1st
to the 2nd, 2nd to 3rd and so on. If any of the earlier pools recover, it will
move back to the higher priority ones.

ROUND ROBIN:
This strategy only moves from one pool to the next when the current one falls
idle and makes no attempt to move otherwise.

ROTATE:
This strategy moves at user-defined intervals from one active pool to the next,
skipping pools that are idle.

LOAD BALANCE:
This strategy sends work to all the pools to maintain optimum load. The most
efficient pools will tend to get a lot more shares. If any pool falls idle, the
rest will tend to take up the slack keeping the miner busy.

BALANCE:
This strategy monitors the amount of difficulty 1 shares solved for each pool
and uses it to try to end up doing the same amount of work for all pools.

What more "proof" do you want? It's really not that hard to set up a backup pool. It'll take you more time to register at a second pool than it will to put the settings into cgminer.

And furthermore, Graet actually is a VIP in the community. He runs a very successful pool, and is one of the most trusted members around here. Just ask anyone. So I ask you this, who would Bitcointalk miss more, you or him? Unless you can get 50 people to vote for you, than you should be the one who stfu.

[crazyates]

I just gave you proof..

[crazyates]

I just gave you proof..

That is a proof Bitcoin network is capable of withstanding >50% attack right now? REALLY??? Anyone with the brain here?

We're talking about mining software that can revert to backup pools. The OP was talking about a DDOS attack on the top pools. If you brought down the top 5 pools, and cut the network hashrate in half, it'd be a lot easier to attack.

However, mining software that can revert to backup pools (or even solo mine as a last resort) makes it harder for an attack to succeed. Those top 5 pools would go down, but the miners wouldn't be turned off. They'd still be hashing, keeping the network alive.

That said, if someone were to turn on 50TH/s right now, there's nothing we could do except try to attack them! But by then, it'd be too late.

This has been gone over 100 times already, hence why this is considered "old news".

So I ask you this, what kind of "proof" were you expecting?

[sveetsnelda]

Jesus...  I don't have many people ignored on this forum, but subSTRATA immediately made the list.  Perma-mute this guy.

[Morblias]

So, from your original post:

You mean those 100 miners who know how to set up everything so it works as you described? I think you wouldn't dare to test it
out. Mere thought of all you pool owners agree and shut-down your pools for let's say 5 minutes probably scares the shit out of you.

which you keep saying proof or stfu, you want proof people are not retards idiots and can set a backup pool (or 10) in whatever software they are using to mine? I think we have all the proof now that you are a complete retard idiot.

[AndrewBUD]

Just keep on tapping each other on the back, singing "It's all fine. Bitcoin network is secured, >50% attack is history! We rule!"

What a bunch of complete retards.

I have nothing more to say here.

I don't think you said anything but Wahhh wahhh wheres my mommy.....

[tcp_rst]

I propose the forum add a sign at the top saying, "Please don't feed the trolls!"

Everyone just let it go.  When someone demands you prove a negative it's just baiting, or ignorance.  Considering the tone I'm going to say this is the former.  Plus, just check out this person's posts in other threads.  Mr. Spongebob Angry Pants apparently gets off on flaming.

[AndrewBUD]

I think I should change my nick now...


Sponge Bob Angry Pants Nice

[AmDD]

Jesus...  I don't have many people ignored on this forum, but subSTRATA immediately made the list.  Perma-mute this guy.

I second that! Goodbye!

[Mad7Scientist]

Just hack in to the top 1 or top 2 mining pools and you have >50% right there.

[kjj]

Denial of service attack of the pools... Reduce overal network hashrate... Then you would need substantially less hashing power to get >50% right?

I am naive about the network.... But can you trace back large solo miners from the network as well via IP? That way you could knock out a couple of them as well... Just thinking outloud.

I should point out that you are competing with the difficulty, not the network.  You would need to take down the big pools, and then hold them down for ~2 weeks before the difficulty adjusted down.  Oh, and you wouldn't just need to keep the pools down, you'd have to keep their users from switching to other pools for that whole time too.

P.S.  subSTRATA, go fuck yourself.