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Author Topic: Official BlackCoin statement from CryptoRush - Very shocking information  (Read 43445 times)
linkandzelda
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March 25, 2014, 10:06:34 AM
 #1

New and latest statement can be read here http://goo.gl/vyp9Ms

Hey guys,

Just thought I would post an announcement about the status of BlackCoin at Crypto Rush. As you all know there was an unannounced fork earlier today that caused many people to upgrade without proper notice. We at Crypto Rush didn't find out until 7 hours later. For this we apologise about our slow updating to the new version causing many traders potential losses. This is where we announce that BlackCoin was stolen from us by users, caused by a bug in the BlackCoin daemon.

This bug came from the way stake coins work and how they respond to RPC calls and getbalance [accountname] queries, something which we rely on to operate our exchange. Up until this upgrade we had no issues with using BlackCoin and it was trading perfectly well. The bug with the stake caused everyones user balance to inflate to an extra 22 million coins. This is similar to the Zeitcoin issue in the sense that peoples balances were wrong and therefore withdrew more than they had. It's really getting old news for us, and this time the loss was even bigger than Zeitcoin.

Here's a generated report showing some figures.

Total withdrawn: 20,381,892.41143484
Total deposited: 20,448,517.07003221
Total stake generated: 1,640.08575003
Supposed current site balance: 66,624.65859738
Consolidated reported current site balance (user daemon accounts): 22,052,756.46576266
Actual daemon balance: 68,025.87273473

As you can see, the report showed that every combined users reported balance is over 22 million when our wallet balance is only 68k. At the time we pulled BC offline after the update we had only 53.xx coins on the balance. This is a clear sign of a stake bug, and as you can see by this daemon call it confirms the origins of the bug.

./blackcoind getbalance ''
-22052702.65300247

This is because, as told to us by the developer, a bug where the state generation takes away the amount from the main account while still generating the amounts under the specific daemon accounts. We were working with the developer for a while to resolve the issue, and he did fix the bug in the daemon, making our statistics report correct again.

Total withdrawn: 20,381,892.41143484
Total deposited: 20,448,517.07003221
Total stake generated: 1,640.08575003
Supposed current site balance: 66,624.65859738
Consolidated reported current site balance (user daemon accounts): 66,624.39639811
Actual daemon balance: 68,025.87273473

After we confirmed this data and had the developer confirm with us that this was indeed a bug, he responded with the following: "i see these numbers, what do you expect from me?". He is refusing to help us in solving the issue. For future reference here is a complete pastebin log of the chat since I joined the channel #bcdevmeeting and my conversation with the developer http://pastebin.com/qW3xRmcL. The log clearly shows him helping us solve the problem and admitting to a bug, but refusing to have any care about how to resolve the situation.

Obviously we knew as soon as we took off the BC markets for a second time it was a serious issue. It took us long to generate the data and reports to confirm the exact amount of loss, which is 1554503.10052230, 121.xx Bitcoins at the time of writing. It was taken by users who withdrew coins they knew did not belong to them. We had one user come to us and report that he had more balance than he should have and wanted to give them back. A very warm thanks to this user, we need more people like them in crypto. A couple of other users notified that balances just "popped up" for them after the update.

To top it off, as soon as we launched BlackCoin's update we underwent a 8 hour constant DDoS attack which we've now since patched and blocked. This just adds to the mess and situation that everyone had to go through.

Guys, all I can say is, we're totally pissed off that this happened for both us and for everyone affected. Me and the team work very very hard to keep up with everyone's messages, tickets and IRC chats while continuing to develop the site and fix any bugs that arise. My personal opinion is if this fork was realised sooner it could have been better planned. There was absolutely no prior warning to it happening. I can't believe that we are the only ones that were negatively affected. I'm sure there are tons of users who lost out on great trading opportunities due to this fork and downtime on other sites.

Once again we apologise for our own issues with both downtime and late upgrades of the client. We'll post more when we know how we can pay back affected users or get some compensation for this massive massive loss. 100 BTC doesn't just come out of thin air, so please be patient while we make this right. I'll answer as many questions as I can here publicly about this issue, any off-topic questions will be ignored unless relevant. If anyone has any suggestions for how we can solve the issue, please do let us know.

Until further notice BlackCoin trading is suspended on Crypto Rush.

Regards,
LaZ
Crypto Rush
"The nature of Bitcoin is such that once version 0.1 was released, the core design was set in stone for the rest of its lifetime." -- Satoshi
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March 25, 2014, 10:10:00 AM
 #2

2ND time you guys are stealing coins . I am currently informing all my Facebook groups of your Bullshit!
Cheers

Monero XMR Core Supporter
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March 25, 2014, 10:10:27 AM
 #3

so u want to say ur site had not been hacked AGAIN for real?  Smiley

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March 25, 2014, 10:14:11 AM
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CryptoRush shit Grin
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March 25, 2014, 10:16:27 AM
 #5

Who in there right mind trades on cryptorush anyway ?
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March 25, 2014, 10:17:09 AM
 #6

How many times did it happen to your pool again?

First Teslacoin. then battlecoin. then Zeitcoin. now yall.
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March 25, 2014, 10:17:41 AM
 #7

the truth, the chat blogs:

http://pastebin.com/CiqGSfXD

I quote:

"

[03:45] <Linkandzelda> we only had just over 1 mil on site before the upgrade
[03:46] <Linkandzelda> so we re-launched BC after the upgrade, then noticed 30 mins later all our coins were gone Sad
[03:47] <Linkandzelda> we have 53 BC lft on site, and I know I had 2k of my own coins on site, so users have withdrawn coins they didnt have
[03:47] <Linkandzelda> same situation as Zeitcoin "

pray to God the rat4 won make a lawsuit against u :-) pray well..

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March 25, 2014, 10:18:51 AM
 #8

http://www.twitch.tv/hackshardgaming

has one of the retired developers doing  Q and A

you have to be playing a game while broadcasting to adhere to Twitch.TV's ruleset.

offers some insight into Cryptorush.

Octocoin - Don't Blink Wink
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March 25, 2014, 10:19:53 AM
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"2ND time you guys are stealing coins . I am currently informing all my Facebook groups of your Bullshit!
Cheers"

stealing coins for the 2nd time only because I have not reported.

The Fastest ALT Exchange On The Planet Now Featuring MAX Coin! MCXNOW.COM
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March 25, 2014, 10:27:28 AM
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Cryptorush keeps blaming the devs yet keeps losing coins from different people.

http://blackcoinreport.blogspot.com/ blackcoin related news roundup

BC: B9FRsUCvrrp3Z3WqTSuziEUBnSfwsLf4vB
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March 25, 2014, 10:29:02 AM
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Bye, cryptorush.
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March 25, 2014, 10:31:32 AM
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Cryptocash is following MT.GOX style, when they screwed things up, they started to blame BTC developers.
 

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rat4
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March 25, 2014, 10:33:56 AM
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linkandzelda, let's show people full irc log http://pastebin.com/CiqGSfXD
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March 25, 2014, 10:37:57 AM
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Just like with ZEITCOIN, I am sure you they are blaming the developers again!!!!

If you need to trade with CR, transfer out as fast as possible.
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March 25, 2014, 10:40:01 AM
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i filed a bug with your support literally seconds after the fork was announced, then again when the wallet update was out.

it took you 6! hours to figure this out? other exchanges were done in a matter of minutes.
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March 25, 2014, 10:43:59 AM
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Wow! So.... Zeit, and now blackcoin? Almost identical issues? And the common denominator is?Huh? Oh yeah! Cryptorush!


ZEIT:MtaYDbczRVpzfQa7FF7Umkb5h91sME2u5A
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March 25, 2014, 10:44:27 AM
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Hey guys,

Just thought I would post an announcement about the status of BlackCoin at Crypto Rush. As you all know there was an unannounced fork earlier today that caused many people to upgrade without proper notice. We at Crypto Rush didn't find out until 7 hours later. For this we apologise about our slow updating to the new version causing many traders potential losses. This is where we announce that BlackCoin was stolen from us by users, caused by a bug in the BlackCoin daemon.

This bug came from the way stake coins work and how they respond to RPC calls and getbalance [accountname] queries, something which we rely on to operate our exchange. Up until this upgrade we had no issues with using BlackCoin and it was trading perfectly well. The bug with the stake caused everyones user balance to inflate to an extra 22 million coins. This is similar to the Zeitcoin issue in the sense that peoples balances were wrong and therefore withdrew more than they had. It's really getting old news for us, and this time the loss was even bigger than Zeitcoin.

Here's a generated report showing some figures.

Total withdrawn: 20,381,892.41143484
Total deposited: 20,448,517.07003221
Total stake generated: 1,640.08575003
Supposed current site balance: 66,624.65859738
Consolidated reported current site balance (user daemon accounts): 22,052,756.46576266
Actual daemon balance: 68,025.87273473

As you can see, the report showed that every combined users reported balance is over 22 million when our wallet balance is only 68k. At the time we pulled BC offline after the update we had only 53.xx coins on the balance. This is a clear sign of a stake bug, and as you can see by this daemon call it confirms the origins of the bug.

./blackcoind getbalance ''
-22052702.65300247

This is because, as told to us by the developer, a bug where the state generation takes away the amount from the main account while still generating the amounts under the specific daemon accounts. We were working with the developer for a while to resolve the issue, and he did fix the bug in the daemon, making our statistics report correct again.

Total withdrawn: 20,381,892.41143484
Total deposited: 20,448,517.07003221
Total stake generated: 1,640.08575003
Supposed current site balance: 66,624.65859738
Consolidated reported current site balance (user daemon accounts): 66,624.39639811
Actual daemon balance: 68,025.87273473

After we confirmed this data and had the developer confirm with us that this was indeed a bug, he responded with the following: "i see these numbers, what do you expect from me?". He is refusing to help us in solving the issue. For future reference here is a complete pastebin log of the chat since I joined the channel #bcdevmeeting and my conversation with the developer http://pastebin.com/qW3xRmcL. The log clearly shows him helping us solve the problem and admitting to a bug, but refusing to have any care about how to resolve the situation.

Obviously we knew as soon as we took off the BC markets for a second time it was a serious issue. It took us long to generate the data and reports to confirm the exact amount of loss, which is 1554503.10052230, 121.xx Bitcoins at the time of writing. It was taken by users who withdrew coins they knew did not belong to them. We had one user come to us and report that he had more balance than he should have and wanted to give them back. A very warm thanks to this user, we need more people like them in crypto. A couple of other users notified that balances just "popped up" for them after the update.

To top it off, as soon as we launched BlackCoin's update we underwent a 8 hour constant DDoS attack which we've now since patched and blocked. This just adds to the mess and situation that everyone had to go through.

Guys, all I can say is, we're totally pissed off that this happened for both us and for everyone affected. Me and the team work very very hard to keep up with everyone's messages, tickets and IRC chats while continuing to develop the site and fix any bugs that arise. My personal opinion is if this fork was realised sooner it could have been better planned. There was absolutely no prior warning to it happening. I can't believe that we are the only ones that were negatively affected. I'm sure there are tons of users who lost out on great trading opportunities due to this fork and downtime on other sites.

Once again we apologise for our own issues with both downtime and late upgrades of the client. We'll post more when we know how we can pay back affected users or get some compensation for this massive massive loss. 100 BTC doesn't just come out of thin air, so please be patient while we make this right. I'll answer as many questions as I can here publicly about this issue, any off-topic questions will be ignored unless relevant. If anyone has any suggestions for how we can solve the issue, please do let us know.

Until further notice BlackCoin trading is suspended on Crypto Rush.

Regards,
LaZ
Crypto Rush

You are blaming the devs? What do you want, another fork to refund? How did you code allow negative balance and withdrawals to continue? Did you test the code?
I don't have sympathy for good reason - not one exchange employs security white hat help it seems. Happy to take 2% fee in profit, but security holes in code allowing negative balance? That's just ridiculous.  Roll Eyes
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March 25, 2014, 10:44:46 AM
 #18

"This is where we announce that BlackCoin was stolen from us by users," ?!

Shocking for sure.

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March 25, 2014, 10:47:34 AM
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"i see these numbers, what do you expect from me?"

What DO YOU want him to do? Send CR 1.5m Blackcoins because of your incompetence?
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March 25, 2014, 10:48:05 AM
 #20

I've credited my BC account on CryptoRush at 11:45:51 on 2014-03-24 (just before all this update issue started)
Amount: 9129.88935126 BCs
Prooflink: http://blocks.blackcoin.pw/address/BKC1JuLUwF8Nx4NQVB2HTdj35xoBh8SYgs

Now I'm asking you to send me my money back to my wallet (BJwq6eRYz4zQqzjimU2ZkSoY77fN6jhf23) as soon as you realise that public all-around outrage not only by me (i speak french, spanish and russian), may ruin all your exchange.

This is not a threat, I'm thankful to all you guys for not simply "duck and cover", I wish you all success.
But I'm really pissed off.
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