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Hacked Event Broadcast

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Verified blockchain security incidents with original evidence and historical event dates.

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Historical events use their original event dates. Latest event dates first. Severity follows existing archive classifications.

Aug 17, 2019

1 verified update
The cold wallet of the CoinTiger exchange was stolen, and the 400 million PTT of the Proton chain disappeared. According to the exchange announcement, they discovered that the cold wallet storing PTT was hacked during their regular cold wallet verification work recently, resulting in the theft of 401,981,748 PTT from the wallet.ExpandCollapse

The cold wallet of the CoinTiger exchange was stolen, and the 400 million PTT of the Proton chain disappeared. According to the exchange announcement, they discovered that the cold wallet storing PTT was hacked during their regular cold wallet verification work recently, resulting in the theft of 401,981,748 PTT from the wallet.

Amount of loss
401,981,748 PTT
Attack method
Wallet Stolen
WalletSecurity

Aug 13, 2019

2 verified updates
There is a vulnerability in Bitstamp, which can be used by attackers to view a large number of sensitive information such as user IDs and bank CARDS, seriously threatening the information security of users.ExpandCollapse

There is a vulnerability in Bitstamp, which can be used by attackers to view a large number of sensitive information such as user IDs and bank CARDS, seriously threatening the information security of users.

Attack method
Information Leakage
OtherSecurity
SKR EOS games have again been attacked by hackers, who have now earned about 4,000 EOS. After analysis, hackers still use the transaction congestion attack, operating multiple trumpet attacks on the game in turn.ExpandCollapse

SKR EOS games have again been attacked by hackers, who have now earned about 4,000 EOS. After analysis, hackers still use the transaction congestion attack, operating multiple trumpet attacks on the game in turn.

Amount of loss
4,000 EOS
Attack method
Transaction congestion attack
EOS EcosystemSecurity

Aug 10, 2019

1 verified update
The skreosladder game has been attacked by hackers again, and hackers have now profited thousands of EOS. After preliminary analysis, hackers still use transaction crowding attacks, but the difference is that hackers control a large number of accounts to place bets at the same time, and then multiple accounts are used to push blocks due to the large number of accounts participating in the attack. The connection between accounts is not obvious, and the attack is highly concealed.ExpandCollapse

The skreosladder game has been attacked by hackers again, and hackers have now profited thousands of EOS. After preliminary analysis, hackers still use transaction crowding attacks, but the difference is that hackers control a large number of accounts to place bets at the same time, and then multiple accounts are used to push blocks due to the large number of accounts participating in the attack. The connection between accounts is not obvious, and the attack is highly concealed.

Attack method
Transaction congestion attack
EOS EcosystemSecurity

Aug 4, 2019

1 verified update
EOS Royale has been attacked by hackers, who have gained around 18,000 EOS.ExpandCollapse

EOS Royale has been attacked by hackers, who have gained around 18,000 EOS.

Amount of loss
18,000 EOS
Attack method
Unknown
EOS EcosystemSecurity

Aug 2, 2019

2 verified updates
Multiple hackers have launched a series of attacks on the EOS game LuckyClover, earning thousands of EOS.ExpandCollapse

Multiple hackers have launched a series of attacks on the EOS game LuckyClover, earning thousands of EOS.

Attack method
Hard_fail attack
EOS EcosystemSecurity
Multiple hackers have launched a series of attacks on the EOS game UnicornBet, earning thousands of EOS.ExpandCollapse

Multiple hackers have launched a series of attacks on the EOS game UnicornBet, earning thousands of EOS.

Attack method
Fake EOS Vulnerability Attack
EOS EcosystemSecurity

Jul 27, 2019

1 verified update
The attacker adopted a "card position" rollback betting method for the game mechanics: the first gameplay investment of the game is profitable early, and the "player" deploys the contract to invest at the beginning of each round, thereby making the investment The return is maximized, so far the attacker has made a total of 102,652 TRX.ExpandCollapse

The attacker adopted a "card position" rollback betting method for the game mechanics: the first gameplay investment of the game is profitable early, and the "player" deploys the contract to invest at the beginning of each round, thereby making the investment The return is maximized, so far the attacker has made a total of 102,652 TRX.

Amount of loss
102,652 TRX
Attack method
Rule Exploitation
Tron EcosystemSecurity

Jul 26, 2019

1 verified update
The attackers launched a roll back attack on the contracts, which so far has yielded a total of 67,695 TRX.ExpandCollapse

The attackers launched a roll back attack on the contracts, which so far has yielded a total of 67,695 TRX.

Amount of loss
67,695 TRX
Attack method
Roll back attack
Tron EcosystemSecurity

Jul 25, 2019

2 verified updates
The attackers launched a trade rollback attack on the contracts, which so far has yielded a total of 113,913 TRX.ExpandCollapse

The attackers launched a trade rollback attack on the contracts, which so far has yielded a total of 113,913 TRX.

Amount of loss
113,913 TRX
Attack method
Roll back attack
Tron EcosystemSecurity
The cryptocurrency lending company YouHodler was affected by a data leak that contained information about users on its platform. Some of the data that was released to the market includes bank accounts, passport numbers, card numbers and many other things.ExpandCollapse

The cryptocurrency lending company YouHodler was affected by a data leak that contained information about users on its platform. Some of the data that was released to the market includes bank accounts, passport numbers, card numbers and many other things.

Attack method
Information Leakage
OtherSecurity

Jul 24, 2019

2 verified updates
According to QuickBit, the breach resulted in data of users such as names, emails, physical addresses and even card information was exposed. The exchange has said it has estimated about 2% user data was left unprotected. The exchange has claimed that although data was bare and accessible to anyone who had the knowledge on how to access it, none of the data has been affected or copied.ExpandCollapse

According to QuickBit, the breach resulted in data of users such as names, emails, physical addresses and even card information was exposed. The exchange has said it has estimated about 2% user data was left unprotected. The exchange has claimed that although data was bare and accessible to anyone who had the knowledge on how to access it, none of the data has been affected or copied.

Attack method
Information Leakage
ExchangeSecurity
There was an unusually large transaction in the game contract of the TronCity project. The total balance of 257,112 TRX in the game contract was emptied at one time.ExpandCollapse

There was an unusually large transaction in the game contract of the TronCity project. The total balance of 257,112 TRX in the game contract was emptied at one time.

Amount of loss
257,112 TRX
Attack method
Rug Pull
Tron EcosystemSecurity

Jul 23, 2019

1 verified update
Hackers launched a series of attacks on TronChip, earning a total of 61,867 TRX.ExpandCollapse

Hackers launched a series of attacks on TronChip, earning a total of 61,867 TRX.

Amount of loss
61,867 TRX
Attack method
Random number attack
Tron EcosystemSecurity

Jul 12, 2019

1 verified update
On July 12, Japan's BitPoint Japan (BPJ) exchange was hacked, and 3.5 billion yen (32 million U.S. dollars) worth of cryptocurrency in the hot wallet was stolen. After that, BPJ shut down all services of the exchange. On the 14th, BPJ announced the recovery of some stolen cryptocurrencies from overseas trading systems, reducing the total loss to 3.02 billion yen (customer funds 2.06 billion, BPJ own funds 960 million).ExpandCollapse

On July 12, Japan's BitPoint Japan (BPJ) exchange was hacked, and 3.5 billion yen (32 million U.S. dollars) worth of cryptocurrency in the hot wallet was stolen. After that, BPJ shut down all services of the exchange. On the 14th, BPJ announced the recovery of some stolen cryptocurrencies from overseas trading systems, reducing the total loss to 3.02 billion yen (customer funds 2.06 billion, BPJ own funds 960 million).

Amount of loss
$ 27,610,000
Attack method
Wallet Stolen
WalletSecurity

Jul 11, 2019

1 verified update
My Dash Wallet has been embedded with a malicious script, the malicious script will upload the user's DASH currency account balance, keystore, private key, seed and other key information to https://api.dashcoinanalytics.com/stats.php.ExpandCollapse

My Dash Wallet has been embedded with a malicious script, the malicious script will upload the user's DASH currency account balance, keystore, private key, seed and other key information to https://api.dashcoinanalytics.com/stats.php.

Attack method
Malicious Code Injection Attack
WalletSecurity

Jul 10, 2019

1 verified update
An attacker with a stolen device can extract the seed from the device. It takes less than 5 minutes and the necessary materials cost around 100$. This vulnerability affects Trezor One, Trezor T, Keepkey and all other Trezor clones. Unfortunately, this vulnerability cannot be patched.ExpandCollapse

An attacker with a stolen device can extract the seed from the device. It takes less than 5 minutes and the necessary materials cost around 100$. This vulnerability affects Trezor One, Trezor T, Keepkey and all other Trezor clones. Unfortunately, this vulnerability cannot be patched.

Attack method
Wallet Vulnerability
WalletSecurity

Jul 8, 2019

1 verified update
On July 8, the Polish-based exchange Bitmarket abruptly shut down due to liquidity issues. The shutdown allegedly cost users a total of 2300 bitcoin (approximately $23 million) according to Polish prosecutors. The exchange’s official site was replaced with the following message: “We regret to inform you that due to the loss of liquidity, from 08/07/2019, Bitmarket.pl/net was forced to cease its operations. We will inform you about further steps.” Two weeks later, one of the exchange's co-owners was found shot deadExpandCollapse

On July 8, the Polish-based exchange Bitmarket abruptly shut down due to liquidity issues. The shutdown allegedly cost users a total of 2300 bitcoin (approximately $23 million) according to Polish prosecutors. The exchange’s official site was replaced with the following message: “We regret to inform you that due to the loss of liquidity, from 08/07/2019, Bitmarket.pl/net was forced to cease its operations. We will inform you about further steps.” Two weeks later, one of the exchange's co-owners was found shot dead

Amount of loss
2,300 BTC
Attack method
Insufficient liquidity
ExchangeSecurity

Jul 4, 2019

2 verified updates
Soxex exchange has been exposed to abscond with the funds. At present, the website of the exchange has been unable to open, and hundreds of millions of funds of investors have been swept away, involving BTC, ETH, HT, OKB and other mainstream currencies. Over 1 million USDT has been flowing into other exchanges.ExpandCollapse

Soxex exchange has been exposed to abscond with the funds. At present, the website of the exchange has been unable to open, and hundreds of millions of funds of investors have been swept away, involving BTC, ETH, HT, OKB and other mainstream currencies. Over 1 million USDT has been flowing into other exchanges.

Attack method
Rug Pull
ETH EcosystemSecurity
The hackers launched an attack by rolling back the transaction, and so far, the attack has been profitable.ExpandCollapse

The hackers launched an attack by rolling back the transaction, and so far, the attack has been profitable.

Attack method
Roll back attack
OtherSecurity