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韩国加密货币交易所Coinrail遭黑客攻击

又一天、又一次黑客袭击,这一次是发生在代币狂热的亚洲国家韩国。一家叫做Coinrail的交易所在周末的黑客袭击中损失了价值超过4000万美元的altcoins。

根据coinmarketcap.com显示,韩国是加密货币技术投资的热门地区,但Coinrail只是国内规模较小的交易所之一。根据交易量来说,它刚刚才跻身全球90大交易所之列。尽管如此,即使是规模较小的交易所也是存在大量加密货币的。

最值得注意的是,黑客们从支付项目Pundi X的ICO中,窃取了价值1950万美元的NPXS代币。此外,他们还从建立去中心化文档平台的ICO项目Aston X处获得了1380万美元的资金。同时,黑客从移动数据ICO项目Dent获得了价值580万美元的代币,从中国的Tron项目中获得超过110万美元代币。

信息是根据一个钱包地址得知的,该地址已被确认为属于攻击者。攻击者还从Coinrail获得了其他少量代币。

在所有的案例中,发行通证的公司都没有被黑客入侵,被窃代币的都来自Coinrail用户。目前尚不清楚,Coinrail将如何补偿其客户。日本的Coincheck在今年早些时候遭到备受瞩目的攻击后,采取了向客户退款的弥补措施。但有些ICO项目正在采取相应措施。

Pundi受到的袭击时最严重的,声称大约3%的代币数量受到了这次攻击的影响。该公司表示,已冻结了失窃的通证,并停止了所有交易所的代币交易以进行调查。NPER在Coinrail攻击中损失了价值约86万美元的代币,该公司表示已经冻结了被盗资金,并计划焚烧通证,使其变得对黑客毫无用处。Coinrail的数据显示,Aston也冻结了受影响的通证。

尽管Coinrail在其网站上发表声明称,三分之二的被盗货币已被冻结,并可能会采取更多的行动,但其他项目尚未对此发表评论。Coinrail已将其服务离线,并在一份声明中表示公司已将其剩余资产(据称是其全部资产的70%)冻结,同时审查其安全系统,并对该事件进行全面调查。

一些人认为,此次黑客攻击导致比特币估值下降逾5%,这是比特币近两周来最大的跌幅。然而,Coinrail认为,这一理论似乎没有根据。

可以肯定的是,黑客攻击行为再次强烈地提醒人们,加密货币领域仍然缺乏监管。不像银行抢劫或支付欺诈,加密货币交易中遭到黑客袭击事件的受害者几乎没有追索权。更重要的是,那些购买比特币、以太币或其他加密货币的人,应该将代币安全地保存在私人钱包中(最好的方式是使用硬件设备进行访问),而不是把它们留在可能被窃取的交易所中。

近期交易袭击大事件有以下几个:今年年初,Coincheck损失了大约4亿美元;去年十一月,Tether公司声称在袭击中损失了3100万美元;EtherDelta在十二月份中止了代币交易一段时间。当然,2014年的Mt. Gox黑客事件是重中之重。交易所总共损失了74408枚比特币。这些加密货币当时的价值约为3.5亿美元,不过它们如今的价值约为53亿美元。

Another day, another crypto hack. This time it’s Korea, the crypto-mad Asian country, where an exchange called Coinrail lost more than $40 million in altcoins, ICO-issued tokens that aren’t bitcoin or Ethereum, after it was hit by an apparent attack over the weekend.

Korea may be a hot spot for crypto investment, but Coinrail is one of its smaller exchanges, just about ranking inside the world’s top 90 based on trading volume, according to coinmarketcap.com. Nonetheless, even the smaller exchanges have plenty of coins, as the size of this heist illustrates.

Most notably, the hackers got away with $19.5 million-worth of NPXS tokens that were issued by payment project Pundi X’s ICO. Added to that they scored a further $13.8 million from Aston X, an ICO project building a platform to decentralize documents, $5.8 million in tokens for Dent, a mobile data ICO, and over $1.1 million Tron, a much-hyped project originating from China.

That’s according to a wallet address that has been identified as belonging to the alleged attacker, who also got hold of smaller volumes of a further five tokens from Coinrail.

In all the cases, the companies issuing the tokens themselves were not hacked, the tokens that were nabbed belong to Coinrail users.

It isn’t clear how, or indeed whether, Coinrail will go about compensating its customers — Japan’s Coincheck refunded its customers following a high-profile attack earlier this year — but some of the ICO projects are taking steps in response.

Pundi was hit the hardest, claiming that some three percent of its total volume of tokens was impacted by this attack. It said it has frozen the tokens that were stolen and it has ceased trading of its tokens across all exchanges to help with the post-attack investigation, which it said includes the Korean police. NPER, which had around $860,000-worth of tokens taken from Coinrail, said it had frozen the stolen funds and it plans incinerate the tokens to render them useless to the hacker. Aston has also frozen its affected tokens, according to Coinrail.

Other projects have yet to comment, although Coinrail said in a statement on its website that two-thirds of the stolen tokens have been frozen with more action likely to happen.

Coinrail took its service offline and it said in a statement that it has moved the remainder of its assets — which it said is 70 percent of its total holdings — to cold storage while it reviews its security system and fully investigates the incident.

Some have suggested that the hack was responsible for bitcoin’s valuation dropping by over five percent in what is the cryptocurrency’s biggest decline for two weeks. However, Coinrail is so obscure that this theory seems unlikely.

What is for certain is that the hack serves as another strong reminder that the space remains unregulated — there’s with little recourse for victims of a crypto exchange hack, unlike say a bank robbery or payment fraud. More importantly, those who do buy bitcoin, Ethereum or other crypto tokens should keep their tokens securely in a private wallet (ideally using a hardware device for access) rather than leaving them within an exchange where they could be stolen.

For those of you keeping score on recent hacks on exchanges, here are a few: Coincheck lost an estimated $400 million earlier this year, last November saw Tether claim it lose $31 million following an attack while EtherDelta suspended its exchange service for a period in December after it was compromised.

The Mt. Gox hacking in 2014 is the mother of all crypto attacks, of course. In total the exchange lost around 744,408 BTC. That was worth around $350 million at the time, but today a holding of that size would be valued at some $5.3 billion.


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