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Author Topic: Cryptopia trading of non existing coins  (Read 2399 times)
whywefight
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October 08, 2017, 02:38:22 PM
Last edit: November 30, 2017, 08:58:31 PM by whywefight
 #1

EDIT: My Coins were worth 100k by the time posting this Wink

My claims affect several coins that were hit by a "51% attack". I am only focusing on CasinoCoin here because that is what I traded. This is my last offer to Cryptopia to settle the issue with me before I take legal actions, which will be a pain that's why i am trying to avoid it.

It seems the events started to occur around the 07/12/2017. My deposits and trades took place later which you can see on my screenshots. Also on those screenshots, you can review my communication with their "support".
 
What happened::

On the 07/16/2017 I noted that the exchange rate for CSC went down on Cryptopia, as a long-term holder I wanted to use this chance to buy more CSC and deposited 1 BTC. It looked like someone prepared a pump on the market with a lot of buying/selling into themselves. I placed a buy of 1BTC which was filled over the next hours. As I was expecting more movement on the market and so I did not withdraw those coins. Over the following days, the market had some swings. I decided to buy more CSC and then, once my orders are filled to withdraw all coins. On the 07/20/2017 I deposited another BTC and placed a buy again which was filled over the next hours.

The same day, I decided to take 500.000 CSC off while waiting on my orders. The withdrawal failed. I contacted support about it. On the 07/21/2017 I got a reply from support telling me: "Your withdrawal has been canceled and returned to your wallet. It appears there may have been a 51% attack on the CSC network, so we have placed it into maintenance while we investigate this further." I noticed several other coins had been placed into maintenance for the same reason.

The following days I opened several tickets asking about the status and when I would get my coins. I had been told the "maintenance" or "investigation" would be still on. At this point in time, Cryptopia must have already known that their wallets are empty and they have suffered an attack on their exchange.

Have a look on my filed tickets and Cryptopias response on them before I sum up what happened.

An attacker prepared this for several days by causing double spends to deposit coins to Cryptopia. Some succeeded, some not. All fraudulent transactions were rolled back by the chain (see the excerpt of the transactions). Cryptopias system didn't detect it for some reasons:

1) They were fine with 6 confirmations on a high-speed coin
2) Getting a huge % of the total coin supply deposited from a newbie account did not cause a red flag
3) Huge volume (in relation) on a market that has been slow for months, did not cause a red flag
4) Failed deposits did not cause a red flag

and the worst:

5) Once a deposit confirms, it will be credited to your account in their database. AT NO POINT IN TIME does their system validate if the balances for each user and their total amount of holdings stored in the database match the amount of coins in their wallets. Therefore, Cryptopia allowed trading on a market with coins they didn't even have.

This was detected when I tried my first withdrawals. As you can see from Cryptopias responses to me, they don't see any wrongdoings on their site, telling me to claim my losses to the devs. So if you trade on Cryptopia and everything works fine, they make money off it. If something fails, they will blame the devs.

I am aware that there have been double spend attempts. But as you can clearly see, they have been corrected. Those things could have been detected if Cryptopia would do its homework and just validate balances or several checks that highlight strange movements on markets.

Cryptopia is not only not willing to reimburse my lost which is their fault, they clearly state that basically every loss of fund because of whatever issues is not their responsibility.

Even today, their wallet distribution suggest they would hold coins, which they don’t.
As we all know now, DOT was affected of this too. If there are people who had the same issue or coin devs that had the same, please contact me or post here.
I either want my 1.2 million CasinoCoin or my initially deposited BTC.

Scammers Profile Link:
Not sure if they have their own official account here but that's their ANN https://bitcointalk.org/index.php?topic=1669443.0

Reference Link:
-

Amount Scammed:
2 BTC or 1227102.29552167 CSC (Valued 24BTC by the time writing this)

Payment Method:
BTC deposit, see tx down below and screenshots

Proof of Payment: 3ec083a954f10239d3eb1cabdd874ccfba32e4b8b41df95442e98f18529af664 & 02b084ad697c4380bce266740857c8ed51508054a717b17f8b4d31851989822d
PM/Chat Logs:

Additional Notes:
My account has been reviewed by Lutpin and he can confirm all screens are legit.

I doubt the currently shown wallet spread is real, the still have balances and sells from the attacker listed.

The CSC Team can back up my claims as well.

Information regarding the Cryptopia issues.
On 12-06-2017 a 51% attack on Cryptopia started. The attackers targeted various coins, including CSC. By now, after thorough analysis, we can conclude that the attackers were able to deposit some 9.7 million CSC to Cryptopia without actually having those coins in their possession. While Cryptopia tells its users that the coin developers are responsible for the loss, analysis shows a different story.

- more than 200 double spent deposits took place
- 41 of those deposits succeeded
- all double spent transactions have been rolled back by the CSC blockchain and there is NO fork
- most transactions rolled back within 1-2 blocks, the double spends that succeeded had rollbacks between 10-60 blocks
- the attack continued for 8 days
- Cryptopia claims block rollbacks of 300 blocks took place, this is not true
- Cryptopia claims there was 1.2Thash involved, this is not true, there was a max of about 800 MHash during the attack
- Cryptopia had set block confirmations to only 6 blocks for deposits
- Cryptopia had no checks of their wallet against the blockchain at any time
- Cryptopia only depends on its own DB instead of the coins blockchain after the 6 confirmations
- Cryptopia allowed for 25% of total market capitalization to be deposited by a single user
- Only when a large withdraw was no longer possible they detected something was wrong
- We tried to work out a solution with Cryptopia but they demanded we deposited the missing 9.7 million coins or altered the blockchain. It seems obvious that both are not viable options for the casinocoin team.
- As an alternative, we asked for a detailed list of BTC that would be required to rollback the malicious transactions and return the original BTC to the users but Cryptopia refused to supply that.
- Cryptopia decided to walk away, delist CSC and leave users with their losses.

Anybody that wants the detailed information of the log analysis can get it on request. We know there has been discussion of the network hashrate in the past but we want to remind everybody that network hashing power can be acquired at about 0.003 BTC per hour for 1 GHash at this moment. That makes almost all Scrypt based coins vulnerable for a 51% attack at this moment. Problems for exchanges however can be prevented by running decent block confirmation amounts and running regularly checks on wallets and transactions, .... either one would have raised red flags at Cryptopia a lot sooner. We have advised AlcurEX and NovaExchange about the attack and they both verified that they have block confirmations at 100 or more. Although we are sad for the users that have losses because of Cryptopia we would not know how to supply a solution as Cryptopia refuses to further collaborate and walks away.

We would like all Cryptopia users to gather as much information as possible on all their BTC and CSC deposits and withdraws (addresses and transaction id's) and sent them to Casinocoin, GoldSeal or myself. Also information about balances and filled orders should be saved e.g. by making screenshots of everything. The CSC team might find a way in the near future to reimburse some of the losses of Cryptopia users and in that case you would need to show some proof. As Cryptopia now shows they do not care about their users and they were running an insecure exchange we suggest everybody to get their balances of Cryptopia as soon as possible and advise other users to do the same!!  

Corrected double spends on the network: (Not corrected by Cryptopias System)

Code:
CSC 400000.00000000 807723365f7a410b7ca67c1d7cf9abca4c1af248a0b71bdb725b20a2558dcd93 2017-06-16 20:05:58.0000000 -> Block c0fd5937e445d2dbf94150f2fc4f3601ab0a69e894aaaaccecc49d007e1e300e
height -> 2031736
2017-06-16 20:09:19 received block c0fd5937e445d2dbf94150f2fc4f3601ab0a69e894aaaaccecc49d007e1e300e
2017-06-16 21:03:18 REORGANIZE: Disconnect 65 blocks; edd1c7cac77a5cee78294446938f6d3714207d92dc0df4c03406f2ec1eb015cf..
2017-06-16 21:03:18 REORGANIZE: Connect 17 blocks; ..b1bae61557ba1d9adb9e0a3837e938a03d2a8cbf859da77568deaacaad4fab55


CSC 400000.00000000 381faf0ebcf7e16ca2c18b82c51e8851e3d08b8c9ffab94dc62b7364e3e5d1f2 2017-06-16 21:07:49.0000000 -> Block 407fbc1b09f52df2a01d400fa0ba0dfa312368c8e9b3db4f6bed24758973f8c5
height -> 2031788
2017-06-16 21:08:53 received block 407fbc1b09f52df2a01d400fa0ba0dfa312368c8e9b3db4f6bed24758973f8c5
2017-06-16 21:46:52 REORGANIZE: Disconnect 34 blocks; e3d4829859dd6601bd3773d92ef95c2d0760fa09acb649f0119729f4dd494b5a..
2017-06-16 21:46:52 REORGANIZE: Connect 16 blocks; ..d9402d7e4c456aff7f8c104d80db054c5f799fcb8dbd3cfc7f365211247fc6bd


CSC 400000.00000000 55361dee7277e0341968a4eefcf40f668fc5e0edcfbab09113eb983d7c8bcadb 2017-06-16 21:48:54.0000000 -> Block ca2429d56c40b85fd8679340e10e84c2e38335b43a5ce55e3ff4c051129df729
height -> 2031827
2017-06-16 21:52:39 received block ca2429d56c40b85fd8679340e10e84c2e38335b43a5ce55e3ff4c051129df729
2017-06-16 22:32:16 REORGANIZE: Disconnect 29 blocks; 928ee46d1506cf7fd6e1f09ee57bed6d633e61ee6670f9a40ee2e4672181590d..
2017-06-16 22:32:16 REORGANIZE: Connect 21 blocks; ..70971b3ea24465c4160bd40bfe34ed2256978b9f49fe2dab68d11cc26827a22d


CSC 400000.00000000 e87014dc9fc3fedcb25a07c0cfdab1da1ee180e62bac5c94dac5303732aafefa 2017-06-16 22:36:02.0000000 -> Block bbb52f7d47b422fdb0529c1cfa217d100071721b421d15c9b4d2da8814d987b1
height -> 2031891
2017-06-16 22:41:34 received block bbb52f7d47b422fdb0529c1cfa217d100071721b421d15c9b4d2da8814d987b1
2017-06-16 23:12:39 REORGANIZE: Disconnect 40 blocks; ad9b80025dbd2ca27262769a8272588cec092155da433bba06f810dda0d89d7c..
2017-06-16 23:12:39 REORGANIZE: Connect 33 blocks; ..8ed38ca4bf218073da7e43755171e2d8babcd5bdd68b648381c3f1f5d333e332


CSC 400000.00000000 b3f5139a27e888056d7d61ac2478788ca57e699405748e162e673a9def5105a8 2017-06-16 23:14:47.0000000 -> Block feaf6739256550922ed490dc9760c2d5020b0239a4aedde4a178ae9314350366
height -> 2031939
2017-06-16 23:17:30 received block feaf6739256550922ed490dc9760c2d5020b0239a4aedde4a178ae9314350366
2017-06-16 23:51:37 REORGANIZE: Disconnect 55 blocks; 5d0d63667a40172f94327c4ff7d505f19e21c5d0d4e61ebaf379245fca3ab368..
2017-06-16 23:51:37 REORGANIZE: Connect 17 blocks; ..6a3e799c28c3930aadf4286003d55bab0498c1de53ad37baa7b368b03bcf7cd5


CSC 400000.00000000 b2e4390d91701bfbf4498bd612ba7ef6bdafd69d5df4cf2b4e8a51a5f79147b1 2017-06-17 09:09:07.0000000 -> Block 61dcf1a6ee3bcd262fc828d2faf2efd501a7fa1698742348f7a0e32e824056b6
height -> 2032834
2017-06-17 09:09:29 received block 61dcf1a6ee3bcd262fc828d2faf2efd501a7fa1698742348f7a0e32e824056b6
2017-06-17 09:37:38 REORGANIZE: Disconnect 57 blocks; 1b3486ea5edfbab640b4a0e81ee852db8424bbe34c15bb0bcf11ec465d9a7d10..
2017-06-17 09:37:38 REORGANIZE: Connect 22 blocks; ..96ab5bd0178beb78c8ceb312cc4fa0656480a3c64a8e04ddbcc9ccee48b93183


CSC 400000.00000000 2a56334a520da44473a94bc061f08b8ece28be781dceac92bd2c503a94d58378 2017-06-17 09:38:46.0000000 -> Block 657ff4b684c6dbd5c19ec953b3778aa76921b1d23cb7c6ec8cf3d1ee16c8171b
height -> 2032866
2017-06-17 09:40:37 received block 657ff4b684c6dbd5c19ec953b3778aa76921b1d23cb7c6ec8cf3d1ee16c8171b
2017-06-17 10:08:38 REORGANIZE: Disconnect 41 blocks; 2f4128e0c9d6823aaba5508500bdb67804762630953d87bbac3904bec7e8c6f4..
2017-06-17 10:08:38 REORGANIZE: Connect 19 blocks; ..6f5e190d6d2225c27b6beef2b0150bf5bfd7dc5f85ee00bc8cf57f2d83e38d17


CSC 400000.00000000 54f496ada83fa08f765e5d08c518c52319f8f546b3d6a08656be14011b87a578 2017-06-17 10:12:34.0000000 -> Block f3a29257327f6441308ac85603e6669909222f065971a571edf07e35432c8730
height -> 2032900
2017-06-17 10:15:20 received block f3a29257327f6441308ac85603e6669909222f065971a571edf07e35432c8730
2017-06-17 11:17:17 REORGANIZE: Disconnect 98 blocks; 7235a637c3913a39035814818cf8670b9c4c1a57bffdd54180b9eee54a66d933..
2017-06-17 11:17:17 REORGANIZE: Connect 36 blocks; ..d0ed7def0d6686d5edbe2924813f8cb4fdf04ac739ac9c1b77d880b61b10b45f

CSC 400000.00000000 8ce954b43bdb369cd2d1e5849941a279691c7647a3af23ef191555ac6d79a05b 2017-06-17 11:19:30.0000000 -> Block b435b80f7c27a743576b172f80bbf55bd8d81c78e5d43c8d34ff83add9a6f504
height -> 2032993
2017-06-17 11:20:37 received block b435b80f7c27a743576b172f80bbf55bd8d81c78e5d43c8d34ff83add9a6f504
2017-06-17 12:00:48 REORGANIZE: Disconnect 40 blocks; 50f60d706b62c7224d2a86583e14728bc31b56ff123e3a03fc5a8eb0d23a165e..
2017-06-17 12:00:48 REORGANIZE: Connect 17 blocks; ..41e3735a612eb22499292e2717c80f3dab9603ed66fd69d03fbca989f20f8dd6


CSC 400000.00000000 0fb78c9ac533c064943cd90ed807a759c88ffcca18783f920185b57986bab1c5 2017-06-17 12:01:38.0000000 -> Block 08b2cb6e452ce926a16c16e7ae4812a1fcf3dae7c819d1eb4caea2ffe1de7d15
height -> 2033036
2017-06-17 12:02:07 received block 08b2cb6e452ce926a16c16e7ae4812a1fcf3dae7c819d1eb4caea2ffe1de7d15
2017-06-17 12:37:21 REORGANIZE: Disconnect 40 blocks; 1e8a19dfa29f183d4133ced8858ec26cd6792bada4d59339a3e56fbad5395650..
2017-06-17 12:37:21 REORGANIZE: Connect 16 blocks; ..063ca3ec55ea56a9ddf41cdc02ecffbae7c504ac1298d7255bf833d01a6639a8


CSC 400000.00000000 b065895f157fc6d237ae4bd8b8b5ad3dca934510b9f70e7bb7450dff31f37cc0 2017-06-17 12:40:31.0000000 -> Block 9aa33fae6382027cf26eb5abeba3cc96cab693817ce481bdd527944c7c51dd6b
height -> 2033085
2017-06-17 12:43:44 received block 9aa33fae6382027cf26eb5abeba3cc96cab693817ce481bdd527944c7c51dd6b
2017-06-17 13:20:59 REORGANIZE: Disconnect 56 blocks; 11b14f94f0e9cc0f2108e68cde3729113e2046988a9170be3db52558fa32a54b..
2017-06-17 13:20:59 REORGANIZE: Connect 14 blocks; ..b227ffb3fc8e3d32c6a7d15845b4c8e49bbd4c84d1508edce584aeebc5c176ff


CSC 400000.00000000 2b4f8a511437fcb1582c3dc89434cd5624bf4e2c8a0a629e261853ea0d7a2d1e 2017-06-17 13:22:09.0000000 -> Block e7e4db2d4af06c78b9108c38b0c383fc8ede61e89395f78085affe39eade4e70
height -> 2033120
2017-06-17 13:23:25 received block e7e4db2d4af06c78b9108c38b0c383fc8ede61e89395f78085affe39eade4e70
2017-06-17 14:24:17 REORGANIZE: Disconnect 43 blocks; e93b3bbcb874a53308f8151b10ce814551242727726e599ea40d6c92cf40f809..
2017-06-17 14:24:17 REORGANIZE: Connect 14 blocks; ..bb3ab00d217fe73b7cd0aa856c69ff9d7f0a2326916daf176d3fb0b096322090


CSC 400000.00000000 074cfdac8066841a91a0dd335d4b4f5f4c4b437b3f78e7b6172c8546ff51cdf9 2017-06-18 19:49:40.0000000 -> Block 1efe8b7160396e01d20b64bf3ceb8e2465ea3e2d49fe60f22d6a4605eb95e341
height -> 2035735
2017-06-18 19:50:27 received block 1efe8b7160396e01d20b64bf3ceb8e2465ea3e2d49fe60f22d6a4605eb95e341
2017-06-18 20:07:13 REORGANIZE: Disconnect 28 blocks; 5e2bf3c531084cd931c00c6947b749b5ce35724a178c6248c1c2867b3542bb08..
2017-06-18 20:07:13 REORGANIZE: Connect 26 blocks; ..ecd3575e09827bed1442daf747525a548947c9277bfe61a25150932ea548130d


CSC 400000.00000000 b3ab695db31388ce96f0bba4f151b0f25d6787aea097145950901f069a03dc71 2017-06-18 20:08:37.0000000 -> Block 72204fa23d40ff407783aee8ecb9282b751dd3b91c557d2e40c81dd82755020f
height -> 2035772
2017-06-18 20:09:43 received block 72204fa23d40ff407783aee8ecb9282b751dd3b91c557d2e40c81dd82755020f
2017-06-18 20:43:39 REORGANIZE: Disconnect 36 blocks; 43c67d5996fc753d53d317149b64f56ef2ae9def1c68d1654da5521917e80abf..
2017-06-18 20:43:39 REORGANIZE: Connect 19 blocks; ..64c06cfc8adbd14c60cd8a5e3df8bc39503e503fd363218791ca4308ed39e8c1


CSC 400000.00000000 bd61179254d51ab1b8940d36c82498510c996df202b8450a47f02af937288b55 2017-06-18 20:45:35.0000000 -> Block 12ffc169597782b6aebb6c174e1cad7b83c4db82e1efd985c9280e6fdeedab1f
height -> 2035820
2017-06-18 20:46:45 received block 12ffc169597782b6aebb6c174e1cad7b83c4db82e1efd985c9280e6fdeedab1f
2017-06-18 21:15:33 REORGANIZE: Disconnect 51 blocks; b80aaefea8bd90f4df80b3f590b86b4174aa4a9ac66775c304fed79c00ec90f9..
2017-06-18 21:15:33 REORGANIZE: Connect 14 blocks; ..e54539386d071d7b5bf8b9a31dac05b340822fc7edfb76bdf19de3aaa332d9c4


CSC 400000.00000000 cf37242d44d6180c7898b04eb8251c1b66ab834cf594c428867c2f8962af4b27 2017-06-18 21:17:20.0000000 -> Block 9d355a08059b0ec23194a36ad620d7b52ad5f361dc4e999b6005745734f00380
height -> 2035857
2017-06-18 21:19:16 received block 9d355a08059b0ec23194a36ad620d7b52ad5f361dc4e999b6005745734f00380
2017-06-18 21:48:32 REORGANIZE: Disconnect 48 blocks; 3119b3e1ad5c37379d99894ed4be1d3ec488ad6ef279531ea2f81d0bdf46d732..
2017-06-18 21:48:32 REORGANIZE: Connect 27 blocks; ..9d35e447fc5c9a32a4315407f89af4c71e71a04654b0b69066c633a538f96f34


CSC 400000.00000000 d753e7e1aa4806f289613e667637f7258e293c484d35ae4bd2577a94d66dc0c5 2017-06-19 21:54:56.0000000 -> Block 3f5928ba7b2691c60b2b234f1ce8898822e9cec8880917687e5d0ab72ab9a2be
height -> 2037979
2017-06-19 21:55:43 received block 3f5928ba7b2691c60b2b234f1ce8898822e9cec8880917687e5d0ab72ab9a2be
2017-06-19 22:24:19 REORGANIZE: Disconnect 42 blocks; cacd3425fd309cf339229ac96415ccf0b03426d4bc5a523cf19867c04b0d4a7f..
2017-06-19 22:24:19 REORGANIZE: Connect 19 blocks; ..22d7b2fe6d44dc108cf79d47fec64d3e0ba631d3c7e2bd8e741a82222db588cc


CSC 400000.00000000 b502469d3014ec5ea4f71f53fd21b1a2b51382057401bae7a204380ffbdcc389 2017-06-20 19:29:04.0000000 -> Block 4912d5e77b9cb337dcd078b7129e3d2dfd04b371971c9cc1a7b33095aaad70a3
height -> 2039957
2017-06-20 19:32:27 received block 4912d5e77b9cb337dcd078b7129e3d2dfd04b371971c9cc1a7b33095aaad70a3
2017-06-20 20:04:51 REORGANIZE: Disconnect 48 blocks; 00a160af0aa6945a35441a6c1d32d9b9c81a0327b6679e77655de5879b32070e..
2017-06-20 20:04:51 REORGANIZE: Connect 22 blocks; ..8260d2b210663ec0d010210b34ff117032164900e6e074199baf5d8e5a05a4f0


CSC 400000.00000000 586abaa47ad566c53f62906605f7a7b426db1adcba7d6f9674117072b6153592 2017-06-20 20:07:13.0000000 -> Block 5ba858753b123365736e04673222499c0dfe5117d1a9102ec9c303fc1b304963
height -> 2040011
2017-06-20 20:08:58 received block 5ba858753b123365736e04673222499c0dfe5117d1a9102ec9c303fc1b304963
2017-06-20 21:07:59 REORGANIZE: Disconnect 56 blocks; 75717553a04f5e08cd7c630897bd6d1c515a4f94b302f74c8d3b4749819da909..
2017-06-20 21:07:59 REORGANIZE: Connect 15 blocks; ..3920bbeb86a9b358f1d9222d32ce58b6579bb42297c4ae640d2d6b0790f31b30


CSC 400000.00000000 0bb3f971f28abe5ba49939e0c6ce8be88e832d9b740cf190d79bd6d43fb0417e 2017-06-20 21:10:17.0000000 -> Block 88e317066c938eb3510493b4c198d473d843a2300c26b90214d0ad47aee059c2
height -> 2040042
2017-06-20 21:12:24 received block 88e317066c938eb3510493b4c198d473d843a2300c26b90214d0ad47aee059c2
2017-06-20 21:56:00 REORGANIZE: Disconnect 45 blocks; 93788937f6bec41daf203405b72830e87920276ea2d7b575dc2acbc4faa3ddc4..
2017-06-20 21:56:00 REORGANIZE: Connect 8 blocks; ..0ab3ea1b09c1093a4ffa3ca629d5d4ed7b376b1861677669bddbc67e6989f51


Screenshots:












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October 08, 2017, 02:39:08 PM
 #2

This is rough, I would suggest you take legal action and avoid any accusatory moves on social media until your solicitor has advised you to do so.

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October 08, 2017, 02:44:19 PM
 #3

This is rough, I would suggest you take legal action and avoid any accusatory moves on social media until your solicitor has advised you to do so.

Cryptopia has handled the issue in the most unprofessional way I have ever seen, I want people to be aware of it.

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October 08, 2017, 04:37:48 PM
 #4

And what is csc devs reply to all this?

I am not 100% sure how this affects the end user, as he did indeed buy X amount of a coin from an exchange, and then the exchange isnt giving him what he bought or his money back...

Is cryptopia actually telling its users they are not responsible for anything? Ever?

In theory, the exchange could then pull an attack against a coin, pocket the revenue generated and tell the user to pound sand?


Im confused on how this works. The user was trading in good  faith that they would receive  one thing for another. The attack was completely outside the users control or knowledge but
the end user should know that if something happens, they are screwed for it?


Is there a legit exchange left?
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October 08, 2017, 04:49:52 PM
 #5

You can read the devs statements here: https://bitcointalk.org/index.php?topic=616792.msg20035204#msg20035204

I also quoted that message in my OP. The TX data I posted came from the devs.

Yes, reading the responses from support Cryptopia basically say: If something goes wrong it is not our fault.

Yes, there was an attack on the chain, but the chain corrected itself. The way it happened does not match what Cryptopias Support claims. They also exactly know what a pain it will be to get this sorted legally (for me) that's why I feel their responses to me are a joke.

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October 08, 2017, 05:18:25 PM
 #6

I fear this happens a lot with altcoins, they have no where near the mining competition that bitcoin has so are very vulnerable when someone with a lot of computer resources to spare directs it at one of these blockchains - it can be manipulated. I'm not entirely sure that the exchange is responsible as it sounds like the coin has been compromised at the root and ownership of all coins can be lost in a 51% attack.

I'm not sure about the comment "Yes, there was an attack on the chain, but the chain corrected itself." - If the chain has been attacked, it has been corrupted and all funds can be stolen. Unless the developer intervenes and is somehow able to reset it (a weakness in itself) then all wallets in that currency can be emptied.

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October 08, 2017, 05:28:08 PM
 #7

I fear this happens a lot with altcoins, they have no where near the mining competition that bitcoin has so are very vulnerable when someone with a lot of computer resources to spare directs it at one of these blockchains - it can be manipulated. I'm not entirely sure that the exchange is responsible as it sounds like the coin has been compromised at the root and ownership of all coins can be lost in a 51% attack.

I'm not sure about the comment "Yes, there was an attack on the chain, but the chain corrected itself." - If the chain has been attacked, it has been corrupted and all funds can be stolen. Unless the developer intervenes and is somehow able to reset it (a weakness in itself) then all wallets in that currency can be emptied.

If you read the above: Cryptopia did not check their Database Balance compared to their Wallet Balance. This would have shown something is wrong.

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October 08, 2017, 10:16:01 PM
 #8

gl man, hope you the best.
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October 09, 2017, 12:20:05 AM
Last edit: October 09, 2017, 07:39:54 PM by ansi
 #9

I fear this happens a lot with altcoins, they have no where near the mining competition that bitcoin has so are very vulnerable when someone with a lot of computer resources to spare directs it at one of these blockchains - it can be manipulated. I'm not entirely sure that the exchange is responsible as it sounds like the coin has been compromised at the root and ownership of all coins can be lost in a 51% attack.

I'm not sure about the comment "Yes, there was an attack on the chain, but the chain corrected itself." - If the chain has been attacked, it has been corrupted and all funds can be stolen. Unless the developer intervenes and is somehow able to reset it (a weakness in itself) then all wallets in that currency can be emptied.
I don't know if this exchanger, or any other one, have that golden step to do of backing Up their wallet every one hour or one day or after some X amount of time just to be safe from things like that.

Everything that is involved with Internet is vulnerable to cyber attacks, blockchain isn't the god of security though & can the breach can happen like any other network.

This is my personal precaution i always do, never leave your cryptos (money) on Exchangers no matter how good they pretend they are, it's something out of their hand, unless there is some exchangers out there who would guarantee my money there as insurance companies does.
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October 09, 2017, 12:45:00 AM
 #10

I fear this happens a lot with altcoins, they have no where near the mining competition that bitcoin has so are very vulnerable when someone with a lot of computer resources to spare directs it at one of these blockchains - it can be manipulated. I'm not entirely sure that the exchange is responsible as it sounds like the coin has been compromised at the root and ownership of all coins can be lost in a 51% attack.

I'm not sure about the comment "Yes, there was an attack on the chain, but the chain corrected itself." - If the chain has been attacked, it has been corrupted and all funds can be stolen. Unless the developer intervenes and is somehow able to reset it (a weakness in itself) then all wallets in that currency can be emptied.
I don't know if his exchanger, or any other one, have that golden step to do of backing Up their wallet every one hour or one day or after some X amount of time just to be safe from things like that.

Everything that is involved with Internet is vulnerable to cyber attacks, blockchain isn't the god of security though & can the breach can happen like any other network.

This is my personal precaution i always do, never leave your cryptos (money) on Exchangers no matter how good they pretend they are, it's something out of their hand, unless there is some exchangers out there who would guarantee my money there as insurance companies does.

Please stop sig spamming if you obviously didn't read about the issue and if the stuff you write doesn't make any sense.

How should a backup of the wallet help, that makes no sense. It's about validating their balances NOT if the blockchain is secure. The chain did exactly what it had to do. Also stop this "never leave your coins on an exchange bla bla" My initial thought was to trade, how should I trade if no coins are in my wallet?

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October 09, 2017, 02:21:52 AM
 #11

Sorry for your lose man.It is exchange who responsible for your lose as you're the buyer. You bought something that doesn't even exist in their wallet,but database.
I would like to suggest that you should take immediate legal action against cryptopia as its clearly understandable you paid them 2 btc for csc coin,but they didn't deliver/refund you . Drag them into the court in NZ.

I'll close my activity in their site from just right now.

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October 09, 2017, 03:56:44 AM
 #12

@whywefight, I thought i am the biggest loser over this forum when it comes to losing Digital assets but i find you more superior to me.
And brother i am not making fun of you, but i am Fizzing on cryptopia, Least i can do is that i can get you the invitation of Cryptopia Discord group, I happened to be there few weeks back as i wanted to list a coin for my friends and there are amins of Cryptopia also, So instead of talking with them over email it will be instant and good if you want to use quick messaging.
Sorry for the loss man, Its a huge one.


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October 09, 2017, 06:37:00 AM
 #13

I have 1/070/000 csc in cryptopia too


XCN wallet:
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October 09, 2017, 11:37:43 AM
 #14

@whywefight, I thought i am the biggest loser over this forum when it comes to losing Digital assets but i find you more superior to me.
And brother i am not making fun of you, but i am Fizzing on cryptopia, Least i can do is that i can get you the invitation of Cryptopia Discord group, I happened to be there few weeks back as i wanted to list a coin for my friends and there are amins of Cryptopia also, So instead of talking with them over email it will be instant and good if you want to use quick messaging.
Sorry for the loss man, Its a huge one.

thx. I am on their discord and pm'ed all admins but didn't get a reply. i guess they are ignoring it

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October 09, 2017, 07:43:20 PM
 #15

I fear this happens a lot with altcoins, they have no where near the mining competition that bitcoin has so are very vulnerable when someone with a lot of computer resources to spare directs it at one of these blockchains - it can be manipulated. I'm not entirely sure that the exchange is responsible as it sounds like the coin has been compromised at the root and ownership of all coins can be lost in a 51% attack.

I'm not sure about the comment "Yes, there was an attack on the chain, but the chain corrected itself." - If the chain has been attacked, it has been corrupted and all funds can be stolen. Unless the developer intervenes and is somehow able to reset it (a weakness in itself) then all wallets in that currency can be emptied.
I don't know if his exchanger, or any other one, have that golden step to do of backing Up their wallet every one hour or one day or after some X amount of time just to be safe from things like that.

Everything that is involved with Internet is vulnerable to cyber attacks, blockchain isn't the god of security though & can the breach can happen like any other network.

This is my personal precaution i always do, never leave your cryptos (money) on Exchangers no matter how good they pretend they are, it's something out of their hand, unless there is some exchangers out there who would guarantee my money there as insurance companies does.

Please stop sig spamming if you obviously didn't read about the issue and if the stuff you write doesn't make any sense.

How should a backup of the wallet help, that makes no sense. It's about validating their balances NOT if the blockchain is secure. The chain did exactly what it had to do. Also stop this "never leave your coins on an exchange bla bla" My initial thought was to trade, how should I trade if no coins are in my wallet?
if you see it that way, as a SIG SPAM, you can simply delete my posts (including this one) without trying so hard to be some kind of an asshole.
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October 09, 2017, 08:57:51 PM
 #16

this is scary, the only thing that could put down crypto would be exchanges being scammy and dishonnest... they have to solve your problem. Make a petition on bitcointalk maybe, i will sign up np.
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October 09, 2017, 11:59:27 PM
 #17

I fear this happens a lot with altcoins, they have no where near the mining competition that bitcoin has so are very vulnerable when someone with a lot of computer resources to spare directs it at one of these blockchains - it can be manipulated. I'm not entirely sure that the exchange is responsible as it sounds like the coin has been compromised at the root and ownership of all coins can be lost in a 51% attack.

I'm not sure about the comment "Yes, there was an attack on the chain, but the chain corrected itself." - If the chain has been attacked, it has been corrupted and all funds can be stolen. Unless the developer intervenes and is somehow able to reset it (a weakness in itself) then all wallets in that currency can be emptied.
I don't know if his exchanger, or any other one, have that golden step to do of backing Up their wallet every one hour or one day or after some X amount of time just to be safe from things like that.

Everything that is involved with Internet is vulnerable to cyber attacks, blockchain isn't the god of security though & can the breach can happen like any other network.

This is my personal precaution i always do, never leave your cryptos (money) on Exchangers no matter how good they pretend they are, it's something out of their hand, unless there is some exchangers out there who would guarantee my money there as insurance companies does.

Please stop sig spamming if you obviously didn't read about the issue and if the stuff you write doesn't make any sense.

How should a backup of the wallet help, that makes no sense. It's about validating their balances NOT if the blockchain is secure. The chain did exactly what it had to do. Also stop this "never leave your coins on an exchange bla bla" My initial thought was to trade, how should I trade if no coins are in my wallet?
if you see it that way, as a SIG SPAM, you can simply delete my posts (including this one) without trying so hard to be some kind of an asshole.

this topic is not moderated, so I can't and even if it were, I would not. You reply just don't make any sense at all.

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October 11, 2017, 08:14:30 AM
 #18

This reminds me of fractional reserve banking. For all you know, they could be insolvent. Posting primarily to keep watch for new developments.

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October 11, 2017, 03:37:04 PM
 #19

This reminds me of fractional reserve banking. For all you know, they could be insolvent. Posting primarily to keep watch for new developments.

I know they got hit and to me, it seems an insider was involved who exactly knew how the system will behave. Best prove is DOT got hit as well.

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October 12, 2017, 10:02:43 PM
 #20

and up

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