Posts made by hynodeva

[quote name=“hynodeva” post=“15326” timestamp=“1371310953”]
Who is going to set these checkpoints(time & which chain is valid if there is already a second one)
, and who is distributing them?

nice regards

hynodeva.com dev

btw. i would help implement such system, if more details how to do that in our case are given to me.

i would like to help FTC to get out of this pretty dangerous situation… since the only thing holding the attacker back right now is the high netspeed, which might change once price drops again,
[/quote]

pm me if you need help coding… no time for any surveys…

We will readd Feathercoin mining under certain limitations.
There will be no PPS system available for FTC.
We will catgorize our pools coins into secur&stable, stable, experimental.
These categories will be base for the fees and the available payoutmodes.

hynodeva dev

There are also Pools around which pay after a certain time interval, so you dont have to wait until block is solved. This usually works only on plain PPS pools.
These kind of pools always deliver the same payouts no matter if they find a block or not.

Who is going to set these checkpoints(time & which chain is valid if there is already a second one)
, and who is distributing them?

nice regards

hynodeva.com dev

btw. i would help implement such system, if more details how to do that in our case are given to me.

i would like to help FTC to get out of this pretty dangerous situation… since the only thing holding the attacker back right now is the high netspeed, which might change once price drops again,

We dropped support for Feathercoin for now.
You can withdraw your funds.

[quote name=“whenhowwho” post=“12064” timestamp=“1370831373”]
Ok so there was an attack. That is to be expected. What i did not expect was my dogs to stop my mining while i was at a graduation party and buying a house. We will get through it just as we got through the abysmally high difficulty. I am not worried and I will continue to mine even though my pool currently is charging an outrageous fee.

if you happen to run the pool that I mine on. First off I love your pool. Second smack yourself. Seriously, high five yourself in the face. I have been paying a fee already and donating some extra if your “hot wallet” could not handle the abuse after all the fees that you have already collected as well as the donations (there are many donators) then you are doing it wrong. We both know that at some point you must have oversold your FTC which is what put you in the situation you are in the first place. Put the fee back to what it was and stop your nonsense.

Now that I have gotten that off my chest. Back to the subject at hand. Forking the chain is and always has been a bad idea. Do not do it. Attacks are to be expected and there is very little that can be done. That is the reality. It all sorts itself out eventually. FTC is still an infant and you do not choke a baby because it filled its diaper.
[/quote]

Pools should NEVER trade with user coins.
From my point of view accepting such an attack is insane, but well it is not my coin so i will follow the main devs decision…
We will drop Feathercoin PPS Support for now. We jumped back on the attackers chain, like everybody else.
I am asking myself for what checkpoints are made for?..

but anyways… happy mining …

since most people do not want to join that chain, we started mining on the heighest chain again,´which contains attackers blocks, too :( . PPS payoutmode will be disabled. Withdraws will be enabled soon too.

I have checked my client logs, this is the heighest block which has been reordered with a large amount of blocks.

we dont reverse anything if we fork the blockchain at a valid state, we just try to outrun the invalid chain from that point, and if successful save our mining rewards which we lost because of that attack.

started mining on that chain… come on guys contact your pool owners if you support this, we need to make a move.

hyndodeva dev

i think last valid block is http://explorer.feathercoin.com/block/c4bc5ef468c02f61e0ca6c77e1348a6809d9ee3538a4ad0aad790527c5ab1e8b

so i tried to fork the chain from that point, seems to work…
if enough people are willing to mine on the clean(er) chain, i would start it on my pool again.

I think it should be clear that we cannot let any attacker just inject blocks making the legit blocks all invalid just get away with that. we should *fork* them out and proof to the world feathercoin cares about security of investments. Letting the chain beein played like it happed would be proven insecurity, not a very good point for a crypto coin from my point of view.

you can obtain a version with a custom checkpoint added by myself which sets this block above as checkpoint under github.
https://github.com/hynodeva/FeatherCoin

If you start it with -addnode=hynodeva.eu you should be able to retrieve this chain.

hynodeva dev

The major Pools would need to take part of this…

the pools would need to jump in…
but i really dont like just watching this and keep mining… that would be kind of stupid.

i think last valid block is http://explorer.feathercoin.com/block/c4bc5ef468c02f61e0ca6c77e1348a6809d9ee3538a4ad0aad790527c5ab1e8b

so i tried to fork the chain from that point, seems to work…
if enough people are willing to mine on the clean(er) chain, i would start it on my pool again.

I think it should be clear that we cannot let any attacker just inject blocks making the legit blocks all invalid just get away with that. we should *fork* them out and proof to the world feathercoin cares about security of investments. Letting the chain beein played like it happed would be proven insecurity, not a very good point for a crypto coin from my point of view.

you can obtain a version with a custom checkpoint added by myself which sets this block above as checkpoint under github.
https://github.com/hynodeva/FeatherCoin

If you start it with -addnode=hynodeva.eu you should be able to retrieve this chain.

hynodeva dev

i think last valid block is http://explorer.feathercoin.com/block/c4bc5ef468c02f61e0ca6c77e1348a6809d9ee3538a4ad0aad790527c5ab1e8b

so i tried to fork the chain from that point, seems to work…
if enough people are willing to mine on the clean(er) chain, i would start it on my pool again.

I think it should be clear that we cannot let any attacker just inject blocks making the legit blocks all invalid just get away with that. we should *fork* them out and proof to the world feathercoin cares about security of investments. Letting the chain beein played like it happed would be proven insecurity, not a very good point for a crypto coin from my point of view.

you can obtain a version with a custom checkpoint added by myself which sets this block above as checkpoint under github.
https://github.com/hynodeva/FeatherCoin

If you start it with -addnode=hynodeva.eu you should be able to retrieve this chain.

hynodeva dev

i am at cryptocat channel hynodeva

I have stopped payouts due the attacks, once it is clear how to proceed with feathercoin after this, i will spawn them. I & You dont want to loose coins due some rollback or orphaning stuff, i guess.

hynodeva dev

attack already has been done… if we try to outrun them now, we will confirm their blocks, if we do not rollback to a certain checkpoint…
I do not like confirming an attackers coins.

Hynodeva

That will depend on how the FTC network & community handles the situation.
My first idea was the rollback to a certain block, which has not been corrupted and check how many blocks will be lost for the real network(not the fake chain)… if that relation is fine, we might just hardfork the chain ourself from that given point.

That would require client code changes i guess… this is serious guys… we need to figure out a solution fast, before the still running pools, loose to much and have to stay on the fake chain.

I am really considering to stop FTC at all, and wait until we do that hard fork, otherwise we confirm the fake / attacks chain…

hynodeva dev

Our pool stopped FTC for now, since we just lost 2 blocks, one with more then 26 confirms already.
I am investigating the issue, but i cannot run a PPS pool in this situation…
I will bring FTC pool back up as soon as i locked out all PPS workers… so you guys can try to defend the coin… but PPS is not possible at this point.

Happy Mining.

hynodeva

EDIT: We are back up, PPS workers are disabled.

btc-e feathercoin transactions seem to take very long.

We have stopped feathercoin mining right now, because it seems that the FTC chain is heavily attacked. We lost 2 blocks, one which already had 26 or more confirms. This is an indication for an successful 51% attack from my point of view.
I am investigating the issue right now.

We will correct the miner commandline help.

Hynodeva dev

EDIT: FTC Pool back up. Please change your miner to using workers which are not in PPS payoutmode. PPS workers are disabled.

Happy defending the chain.