As cryptocurrency continues to integrate with the global economy and trading volumes surge, the inherent risks of digital assets are becoming increasingly apparent.
Reports of cryptocurrency scams, heightened government regulations, and frequent exchange hacks or closures often dominate headlines. These incidents not only attract significant attention but can also lead to short-term price declines. Unlike traditional financial institutions, many cryptocurrency exchanges lack legal recognition or robust investor protections, making due diligence essential.
Throughout the brief history of cryptocurrency trading, several events have underscored the importance of carefully vetting exchanges. The collapse of Tokyo-based Mt. Gox remains one of the most notable examples. In 2011, the exchange experienced a dramatic price drop to one cent after a hacker allegedly compromised an auditor’s computer and transferred a substantial amount of Bitcoin to themselves. Although trading eventually resumed, Mt. Gox filed for bankruptcy in 2014 after again reporting massive losses due to a hack.
In 2015, UK and Slovenia-based exchange Bitstamp went offline following a suspected security breach. The exchange had faced a similar situation in February 2014 but resumed operations after an investigation. Then in 2017, Slovenian mining marketplace NiceHash reported a breach of its payment system, resulting in the theft of $64 million worth of Bitcoin. Despite this, NiceHash eventually restored its services.
More recently, an obscure Italian exchange called BitGrail claimed it was hacked, leading to a loss of approximately $195 million in cryptocurrency, mostly in Nano tokens. Subsequent allegations suggested that poor management of customer funds may have been the actual issue, with the hack serving as a cover-up.
Similarly, Hong Kong’s Binance temporarily suspended trading activities, sparking concerns about a possible hack. The exchange later clarified that it was only performing system upgrades.
In another instance, Dublin-based exchange Coinprism announced its closure in March 2018 without providing clear reasons.
These events raise critical questions: How can prospective investors identify problematic exchanges or avoid potential security pitfalls? Are there warning signs that an exchange might be on the verge of collapse?
Common Technical Vulnerabilities
Dror Medalion, CEO and co-founder of bitJob, a decentralized P2P market for student freelancers, highlights that many trading platforms suffer from recurring technical flaws. These vulnerabilities can leave exchanges susceptible to hacks or unable to meet user obligations, making them prime targets for attacks—especially Distributed Denial of Service (DDoS) attacks.
“One of the most common attacks is the DDoS attack, which overwhelms a server with relentless requests in a short time, making the website temporarily inaccessible due to excessive load. Users must remain vigilant in the cryptocurrency trading environment. It’s important to remember that cryptocurrency trading is largely unregulated. While most platforms strive to offer a secure and user-friendly experience, it’s often impossible to know what’s happening behind the scenes—whether technical, political, or commercial issues are emerging unnoticed.”
Protecting Your Crypto Assets
Lin Xiahong, founder of the decentralized prediction market Bodhi, emphasizes that the first rule of securing cryptocurrency is selecting the right exchange. However, he adds:
“The best way to keep your cryptocurrency safe is not to store it on an exchange at all. Holding your assets in a local wallet or hardware wallet that you control is far safer than entrusting them to an exchange. Even if an exchange is hacked, assets stored in your personal system remain unaffected. If you must store funds on an exchange, choose one that offers compensation for potential losses, such as those insured by the FDIC in the United States. This provides an added layer of security. Exchanges that don’t offer any guarantees inherently carry higher risk.”
In some cases, regulatory changes in a particular country can force exchanges to shut down unexpectedly. Medalion notes that this type of “collapse” is often sudden and difficult to predict.
Staying informed about relevant news and regulatory developments—both in your country of residence and the exchange’s host country—is one of the most effective protective measures. Medalion stresses that this cannot be overstated.
Custodial vs. Non-Custodial Exchanges
A key consideration for all investors is whether to use a custodial or non-custodial exchange. Custodial exchanges hold your cryptocurrency on your behalf, while non-custodial exchanges allow you to retain control of your assets by keeping your private keys in your own wallet.
Nolan Bauerle, Director of Research at CoinDesk, explains:
“The first question to ask yourself is whether you want to use a custodial or non-custodial exchange. The concerns for each are different. Non-custodial exchanges, which do not hold private keys, typically facilitate crypto-to-crypto trades. For custodial exchanges that handle fiat-to-crypto transactions, the level of risk starts with their cold storage policies. Specifically, what percentage of their private keys are kept offline, isolated from the internet?”
Bauerle points out that the Mt. Gox hack was particularly severe because the exchange stored too many private keys in hot wallets, which were connected to the internet and vulnerable to cyber attacks.
Dror Medalion also highlights another critical security practice:
“One final note on platform security: users must ensure that the platform offers two-factor authentication and that they bookmark the official website to avoid phishing attacks.”
While cryptocurrency is still an evolving asset class, security measures are continually improving. However, as with any investment, the best protection remains thorough due diligence and a clear understanding of both the investment vehicle and its prospects.
Key Security Practices
- Avoid storing cryptocurrency on exchanges whenever possible; use personal or hardware wallets instead.
- Choose exchanges that offer compensation or insurance for potential losses.
- Stay updated on regulatory news and policy changes.
- For custodial exchanges, inquire about the percentage of private keys stored in cold storage.
- Enable two-factor authentication (2FA) on your exchange account.
- Bookmark the official exchange URL to avoid phishing sites.
- Conduct comprehensive due diligence before investing.
- Understand the investment assets and their future potential.
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Frequently Asked Questions
What is the safest way to store cryptocurrency?
The safest method is to use a hardware wallet or a non-custodial software wallet where you control the private keys. This minimizes exposure to exchange hacks or operational failures.
How can I verify an exchange’s security measures?
Look for information about their cold storage policies, insurance coverage, and authentication methods. Independent reviews and community feedback can also provide insights.
What does two-factor authentication (2FA) do?
2FA adds an extra layer of security by requiring a second form of verification—such as a code from your phone—in addition to your password, making unauthorized access more difficult.
Why is regulatory news important for crypto investors?
Regulatory changes can directly impact exchange operations, asset legality, and market stability. Staying informed helps you anticipate potential risks or disruptions.
Can decentralized exchanges (DEXs) be hacked?
While DEXs reduce custodial risk by allowing users to trade directly from their wallets, they are not immune to smart contract vulnerabilities or coding flaws. Always research the platform’s audit history.
What should I do if my exchange is hacked?
Immediately secure your account, change passwords, enable 2FA, and contact the exchange’s support team. If funds are lost, check if the exchange offers any reimbursement program.