Since the emergence of Bitcoin, loss due to theft has surpassed $1 billion. Cybersecurity’s real issues lies in the systems that have been created around the technology, such as cryptocurrency exchanges, wallets, custodians, security companies and ICO platforms, as opposed to the underlying blockchain structure.
Exchange hacks have been the greatest threat to crypto security because when they occur, multiple wallets in the network are affected. Since the first digital currency exchange hack exposed the vulnerabilities of cryptocurrency transactions in 2011, attackers have evolved and continue to try new approaches. These days, an exchange breach could be caused by anything from phishing to discovering a bug in the security code. Cryptocurrency security threats are global, with a new variety of cases every year.
The Biggest Exchanges Hacks so Far
On June 19, 2011, hackers stole 2609 BTC from Japan-based Bitcoin exchange Mt. Gox by using the auditor’s credentials. Fortunately, after suspending their operations for a couple of days, the exchange was back on its feet. In 2014, the exchange took another blow. This time, more than 750,000 BTC was stolen and the exchange closed down and filed for bankruptcy.
The malicious attack, occurring on May 7, 2019, led to the loss of an estimated 7000 BTC. This was the equivalent of about $40 million at the time – about $56 million today. The exchange promptly released a statement explaining the situation and also assured its users it would replace all the lost funds and none of their accounts would be affected.
On August 2, 2015, Bitfinex suffered a bad breach, second to only Mt. Gox. The attack resulted in the theft of 119,756 BTC, worth about $66 million at the time. Due to the magnitude, it caused a plunge in the price of Bitcoin. The breach was caused by a flaw in the structure of Bitfinex accounts. It was also attributed to the exchange’s use of BitGo as a part of its security protocol.
In February 2019, Bitfinex announced that the U.S government had recovered and returned 27.66270285 BTC believed to be a part of the stolen funds. Nothing more was heard of the case until April 2019, when 300 of the stolen Bitcoins were moved for the first time to 13 new wallet addresses.
In January 2015, hackers targeted six Bitstamp employees through phishing attempts. One of the employees accidentally downloaded a file which led to a data breach. In the process, about 19,000 BTC ($5 million) were stolen.
The exchange was not as forthcoming with information and allegedly lost customers. According to a report, “Bitstamp has lost customers, including major clients engaged in providing merchant services in bitcoin, and has suffered significant damage to its reputation, which we are unable to quantify exactly at this point, but which we believe exceeds $2 million.”
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Market Impact of Crypto Thefts
When breaches happen, not only is the general outlook of cryptocurrency negative, it also affects the market. Usually, the stolen currency sees a steep drop in price which may stabilize after some time. In the case of Bitfinex, the price of BTC fell by almost 20%, going from $550 to about $480.
Insecurity is a major hindrance to the adoption of cryptocurrencies like Bitcoin. A common mental shortcut called availability heuristic also plays a role in this, since people think more about the possibility of exchange hacks than about the millions of wallets that have never been hacked.
Security Solutions to Cryptocurrency Insecurity
The frequency of attacks is leading investors to lean toward exchanges with financial backing so they are certain their funds are insured against theft. Exchanges, on the other hand, are leaning toward more airtight security protocols. The goal is to achieve better security without additional centralization in the process. If cryptocurrency access becomes safe but restricted, then the purpose of even having digital currencies in the first place would be defeated.
Soon, the exchanges that are able to provide higher levels of financial security to their users will be at the top of the chain. One such example is the FT Exchange, which is backed by Alameda Research and offers investors a high level of security. Others are gradually emerging and evolving into safer spaces for people to trade. Another option is for exchanges and users to store all funds in hard wallets, but this goes against the whole point of digital currency. It shows they can’t be safely stored anywhere else.
It’s All About Security
Depending on how soon the exchanges and digital currency platforms can get their security measures in order, the future of cryptocurrency may thrive or deplete. However, it’s likely that wide adoption isn’t going to happen when potential users fear losing their assets.
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