Visualizing History’s Biggest Crypto-Heists

The Japanese cryptocurrency exchange Coincheck had to admit having been targeted by hackers who got away with NEM coins worth half a billion dollars on Friday.

As Statista’s infographic based on data by news agency Bloomberg shows, this wasn’t the first such heist.

Infographic: The Biggest Crypto Heists | Statista

You will find more statistics at Statista

In 2014, the crypto exchange Mt. Gox lost digital currency worth some 480 million dollars. The company based in Tokyo said it had probably been stolen and had to file for bankruptcy in the United States and Japan shortly after. It had been one of the leading bitcoin exchanges.

Coincheck for its part has assuaged its customers that any losses would be refunded, and further reassuring investors – sending the price of the hacked NEM surging higher – developers behind NEM created an automated tagging system to track down the funds stolen by hackers.

As CoinTelegraph reports, the NEM development team created an automated tagging system to ensure that all funds stolen from Coincheck are traced. By tagging stolen funds as tainted funds, cryptocurrency exchanges can now easily verify if stolen NEM funds are withdrawn or deposited to regulated trading platforms.


Image Courtesy of CoinTelegraph

“Hack update: NEM is creating an automated tagging system that will be ready in 24-48 hours. This automated system will follow the money and tag any account that receives tainted money. NEM has already shown exchanges how to check if an account has been tagged. So the good news is that the money that was hacked via exchanges can’t leave,” said a NEM spokesperson.

During an interview, NEM Foundation vice president Jeff McDonald confirmed the development of the tagging system and the work NEM Foundation will lead in the next few weeks to prevent stolen funds from being cashed out or converted to other cryptocurrencies through trading platforms.

As of now, the hackers behind the Coincheck NEM security breach are out of options. It is not possible for the hackers to convert the stolen NEM to other major cryptocurrencies like bitcoin and Ethereum because the automated tagging system will immediately alert exchanges about the tainted funds.

Due to the sheer size of the stolen funds, it is also not likely that the hackers will go through small-scale cryptocurrency exchanges to convert or launder the stolen funds.

At this stage, the only safe option for the hackers is to hold onto the stolen NEM. Because of the technology NEM has developed in light of the recent Coincheck hack, it has become significantly difficult for the hackers to do anything with the funds. It is not possible to cash out the stolen NEM to fiat currencies like the US dollar and it is also not possible to convert the stolen funds to other cryptocurrencies.

NEM, its open-source development community, and the NEM Foundation did not have to develop the tagging system for the benefit of Coincheck, specifically because stolen funds on the NEM blockchain network would still have circulated around the network even if they are not recovered. But, NEM developers have done Coincheck and investors that lost millions of dollars in the hacking attack a tremendous favor by voluntarily creating a solution to a serious problem.

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