ANOTHER LAWSUIT FILED AGAINST HACKED CRYPTO EXCHANGE COINCHECK ASKS FOR ALMOST $800,000

Last updated: June 20, 2025, 01:37 | Written by: Fred Ehrsam

Another Lawsuit Filed Against Hacked Crypto Exchange Coincheck Asks For Almost $800,000
Another Lawsuit Filed Against Hacked Crypto Exchange Coincheck Asks For Almost $800,000

The fallout from the massive January 2018 hack of Japanese cryptocurrency exchange Coincheck continues to reverberate through the crypto world.Just when it seemed the dust might be settling, another class action lawsuit has been filed against the Tokyo-based exchange, this time seeking nearly $800,000 in damages.This legal action highlights the ongoing struggles faced by users who lost access to their digital assets following the security breach, and it underscores the critical importance of robust security measures and clear regulatory frameworks in the burgeoning cryptocurrency market.The incident, which saw over $530 million in NEM tokens vanish from Coincheck's ""hot wallet"", not only shook investor confidence but also triggered a wave of legal challenges against the exchange. 132 crypto investors have filed a lawsuit against the Japanese-based crypto exchange Coincheck, seeking 228 mln yen (around $2 mln) in damages, local news outlet Sankei reported Tuesday Feb. 27. Coincheck suffered a major hack in late January that resulted in the theft of more than 523 mln NEM, worth around $530 mlnThis latest lawsuit, filed by a group of 15 plaintiffs, adds another layer of complexity to an already fraught situation, raising further questions about Coincheck's liability and the future of its operations.We'll delve into the details of this new legal battle, exploring the claims of the plaintiffs, Coincheck's response, and the broader implications for the cryptocurrency industry. A new lawsuit for almost $800,000 in damages has been filed by 15 plaintiffs against hacked crypto exchange Coincheck. NEWSThis class action and others, are more important than ever now as we reflect on the collapse of FTX and other 2022 crashes.

The Genesis of the Coincheck Hack

Before diving into the specifics of the lawsuit, it's crucial to understand the context of the original Coincheck hack. 132 crypto investors have filed a lawsuit against the Japanese-based crypto exchange Coincheck, seeking 228 mln yen (around $2 mln) in damages, local news outlet Sankei reported Tuesday Feb. 27.On January 26, 2018, the exchange suffered a catastrophic security breach resulting in the theft of over 523 million NEM tokens.At the time, this staggering amount of cryptocurrency was valued at approximately $530 million, making it one of the largest cryptocurrency heists in history.How did this happen?

  • Insufficient Security Measures: Coincheck reportedly stored its NEM tokens in a ""hot wallet,"" which is a wallet connected to the internet.While hot wallets offer convenience for frequent trading, they are inherently more vulnerable to hacking attacks compared to ""cold wallets"" which are stored offline.
  • Lack of Multi-Signature Authentication: Unlike many other exchanges, Coincheck allegedly did not implement multi-signature authentication for its NEM wallets.This security measure requires multiple approvals for transactions, making it significantly harder for hackers to move funds.
  • Delayed Response: Critics have also pointed to a potential delay in Coincheck's response to the breach, which may have allowed hackers to move stolen funds more easily.

The aftermath of the hack was swift and severe. Coincheck immediately suspended all withdrawals, causing panic among its users. Reports detail that 132 Coincheck customers have banded together asking for a refund of 228 million yen ($2Mn). This week local Japanese news outlets report that the exchange Coincheck, who suffered from a $530Mn USD loss of the cryptocurrency NEM, is facing a class action lawsuit.The company later promised to compensate affected customers, but the process has been slow and fraught with challenges.

The $800,000 Lawsuit: A Closer Look

The latest lawsuit, seeking roughly $800,000 (approximately 82 million yen), is a class action brought by a group of 15 Coincheck customers.The plaintiffs allege that Coincheck failed to provide adequate security measures to protect their assets, leading to the massive loss of NEM tokens and the subsequent disruption of their ability to access their accounts. Another Lawsuit Filed Against Hacked Crypto Exchange Coincheck Asks For Almost $800,000Their legal team is building their argument using several points:

  • Negligence: The core argument centers on the claim that Coincheck was negligent in its security practices.The plaintiffs contend that the exchange failed to implement industry-standard security protocols, making it an easy target for hackers.
  • Breach of Contract: Another aspect of the lawsuit focuses on the alleged breach of contract between Coincheck and its users. Coincheck, the Japanese cryptocurrency exchange that saw major losses in a recent hack, is reportedly being hit by another lawsuit demanding refund of cryptocurrency assets.The plaintiffs argue that Coincheck had a contractual obligation to protect their assets, and the hack represents a clear violation of that obligation.
  • Loss of Opportunity: In addition to the direct loss of cryptocurrency, the plaintiffs also claim they suffered damages due to the inability to trade or withdraw their funds during the period of suspended withdrawals.

The plaintiffs are seeking compensation for the direct loss of their cryptocurrency, as well as additional damages to cover lost trading opportunities and other financial hardships caused by the hack and subsequent withdrawal freeze.

Previous Legal Action and the Ongoing Struggle for Compensation

This $800,000 lawsuit is not the first legal challenge Coincheck has faced in the wake of the hack. COINEWS.ORG - Another Lawsuit Filed Against Hacked Crypto Exchange Coincheck Asks For Almost $800,000 Another class action lawsuit for around 82 mln yen (around $771,000) has been filed against theIn fact, it's just one of several class action suits filed by disgruntled users.Earlier lawsuits, some seeking even larger sums, have made similar allegations of negligence and breach of contract.Specifically, a prior suit was filed on behalf of 132 crypto investors seeking 228 million yen (around $2 million) in damages.What makes these suits different?

  • Withdrawal Demands: Some earlier lawsuits focused specifically on demanding that Coincheck allow users to withdraw their cryptocurrency to external wallets.
  • Varying Damage Claims: The different lawsuits involve varying amounts of damages, reflecting the diverse range of losses suffered by individual Coincheck users.
  • Consolidated Efforts: While multiple lawsuits have been filed, there have also been efforts to consolidate these cases to streamline the legal process.

The ongoing legal battles highlight the significant challenges faced by cryptocurrency investors in seeking redress for losses resulting from exchange hacks. Another class action lawsuit for around $771 000 has been filed against the hacked Japanese exchange Coincheck. Coincheck was hacked in January 26 and ruThe legal landscape is complex, and it can be difficult for individual investors to navigate the intricacies of the legal system.

Coincheck's Response and Regulatory Scrutiny

In the aftermath of the hack, Coincheck has taken steps to improve its security measures and compensate affected customers.However, the company's response has been criticized as being slow and inadequate by some.The Japanese Financial Services Agency (FSA) has also stepped in, imposing stricter regulations on Coincheck and other cryptocurrency exchanges. Embattled exchange FTX which is in the midst of crypto bankruptcy and the latest crypto exchange to shutdown was hacked on Novem. According to reports and the official Twitter channel, Ryne Miller from FTX stated that unauthorized transactions occurred after the company filed for Chapter 11 bankruptcy proceedings.Coincheck's actions included:

  • Security Upgrades: Coincheck has invested heavily in upgrading its security infrastructure, including the implementation of multi-signature authentication and the use of cold wallets for storing the majority of its cryptocurrency holdings.
  • Compensation Plans: The company has developed compensation plans for affected customers, but the payout process has been slow and complex, leading to further frustration among users.
  • Regulatory Compliance: Coincheck has worked to comply with the stricter regulations imposed by the FSA, including enhanced KYC (Know Your Customer) and AML (Anti-Money Laundering) procedures.

Despite these efforts, Coincheck continues to face significant challenges in rebuilding trust and restoring its reputation.The ongoing legal battles serve as a constant reminder of the devastating impact of the hack and the importance of robust security measures in the cryptocurrency industry.

The Broader Implications for the Cryptocurrency Industry

The Coincheck hack and the subsequent lawsuits have had a profound impact on the cryptocurrency industry as a whole. A Lawsuit of $771,000 Filed Against Japanese Coincheck exchange New lawsuit for approximately $771,000 has been filed against Japanese exchange Coincheck, Cryptona reported. This exchange was hacked in January 26 and over $530 mln in NEM was stolen from its hot wallet storage.The incident has raised serious questions about the security of cryptocurrency exchanges and the need for stronger regulatory oversight.Some key takeaways include:

  • The Importance of Security: The Coincheck hack serves as a stark reminder of the critical importance of robust security measures in the cryptocurrency industry.Exchanges must prioritize security above all else, investing in the best available technology and implementing strict security protocols to protect user assets.
  • The Need for Clear Regulations: The lack of clear regulations surrounding cryptocurrency exchanges has contributed to the problem.Clear and comprehensive regulations are needed to ensure that exchanges are held accountable for protecting user assets and maintaining adequate security standards.
  • Investor Protection: The Coincheck hack has highlighted the need for greater investor protection in the cryptocurrency market. Skip to main content Bitcoin Insider. MenuInvestors need to be aware of the risks involved in trading cryptocurrencies and have access to effective legal remedies in the event of a hack or other security breach.

Practical Steps for Cryptocurrency Investors to Protect Themselves

While the Coincheck case underscores the vulnerabilities within cryptocurrency exchanges, investors are not entirely powerless.Here are some actionable steps you can take to safeguard your digital assets:

  1. Diversify Your Holdings Across Multiple Exchanges: Don't put all your eggs in one basket.Spreading your cryptocurrency across multiple reputable exchanges reduces your risk in case one exchange suffers a breach.
  2. Utilize Hardware Wallets (Cold Storage): Hardware wallets, also known as cold storage, store your private keys offline, making them virtually impervious to online hacking attempts.This is the most secure way to store significant amounts of cryptocurrency.
  3. Enable Two-Factor Authentication (2FA): Always enable 2FA on your exchange accounts. The plaintiffs lawyer, Hiromu Mochizuki, told Reuters that the claim will ask Coincheck to allow the traders to withdraw their crypto into a wallet outside of the exchange, and that a second lawsuit over damages resulting from the hack may be forthcoming.This adds an extra layer of security by requiring a second verification code, typically sent to your phone, in addition to your password.
  4. Be Wary of Phishing Scams: Phishing remains a common tactic used by hackers to steal login credentials.Be cautious of suspicious emails or messages asking for your personal information. تم رفع دعوى قضائية جماعية أخرى للحصول على حوالي ٨٢ مليون ين (حوالي ٧٧١٠٠٠ دولار) ضد بورصة العملات الرقيمة اليابانية كوين تشك التي تم اختراقها، وذلك حسبما أفاد موقع كوينتيليغراف اليابان اليوم، ٢ أبريل.Always verify the sender's authenticity before clicking on any links.
  5. Keep Your Software Up-to-Date: Regularly update your operating system, antivirus software, and cryptocurrency wallet software to patch any security vulnerabilities.
  6. Research Exchanges Thoroughly: Before depositing funds on an exchange, do your research.Look for exchanges with a strong security track record, transparent security policies, and positive user reviews.
  7. Understand Exchange Insurance Policies: Some exchanges offer insurance policies that cover losses in the event of a hack. 132 crypto investors have filed a lawsuit against the Japanese-based crypto exchange Coincheck, seeking 228 mln yen (around $2 mln) in damages, local news outlet Sankei reported Tuesday Feb. 27. Coincheck suffered a major hack in late January that resulted in the theft of more than 523 mln NEM, worth around $530 mln at the time.Understand the terms and conditions of these policies to know what protection is available.
  8. Stay Informed About Security Best Practices: The cryptocurrency landscape is constantly evolving, so it's important to stay informed about the latest security threats and best practices. Posted by u/Cointelegraph_news - 1 vote and no commentsFollow reputable security experts and cryptocurrency news sources.

The Future of Crypto Exchange Security

The Coincheck saga serves as a crucial learning experience for the entire cryptocurrency ecosystem.The future of crypto exchange security depends on a multi-pronged approach, encompassing technological advancements, stricter regulations, and increased user awareness.Where can we expect to see improvements?

Technological Advancements

Emerging technologies like multi-party computation (MPC) and secure enclaves offer promising solutions for enhancing the security of cryptocurrency exchanges.MPC allows for computations to be performed on encrypted data, eliminating the need to expose private keys.Secure enclaves provide a protected environment for storing and processing sensitive data, making it more difficult for hackers to access. A 15-person class action lawsuit has been filed against Coincheck for almost $800,000 in damages. Please note, this is a STATIC archive of website cointelegraph.com from, cach3.com does not collect or store any user information, there is no phishing involved.Another step in the right direction is the increasing use of decentralized exchanges, which have no single point of failure and thus are less of a target to central hacks.

Stricter Regulations

Governments and regulatory bodies around the world are increasingly focusing on regulating cryptocurrency exchanges. The plaintiffs lawyer, Hiromu Mochizuki, told Reuters that the claim will ask Coincheck to allow the traders to withdraw their crypto into a wallet outside of the exchange, and that a secondThese regulations are likely to include stricter security requirements, enhanced KYC/AML procedures, and mandatory insurance policies.Greater regulatory oversight will help to create a more secure and trustworthy environment for cryptocurrency trading.

Increased User Awareness

Ultimately, the security of the cryptocurrency ecosystem depends on the awareness and vigilance of individual users.By taking proactive steps to protect their own assets, users can reduce their risk of falling victim to hacking attacks and other security breaches. According to the Reuters' report, today, Feb. 13, 10 cryptocurrency merchants will file a lawsuit at the Tokyo District Court on Thursday, Feb. 15Education and awareness campaigns are essential for empowering users to make informed decisions and protect their digital wealth.

The Road Ahead for Coincheck

Coincheck faces a long and challenging road to recovery.The company must continue to invest in security upgrades, compensate affected customers, and comply with regulatory requirements. A 15-person class action lawsuit has been filed against Coincheck for almost $800,000 in damages. Another class action lawsuit for around 82 mln yen (around $771,000) has been filed against the hacked Japanese exchange Coincheck, Cointelegraph Japan reports today, April 2. Coincheck was hacked in Jan. 26 and over $530 mln in NEM was taken MoreRebuilding trust will be a gradual process, and it will require transparency, accountability, and a commitment to protecting user assets.

The ongoing lawsuits serve as a constant reminder of the mistakes of the past and the importance of learning from them. Ten cryptocurrency traders will file a lawsuit at the Tokyo District Court on Thursday, Feb. 15, against crypto exchange Coincheck over the company s freezing of crypto withdrawals, Reuters reported today, Feb. 13. The Japan-based exchange had frozen all withdrawals after they lost $530 mln in NEM in a hack last month.Coincheck's success in the future will depend on its ability to demonstrate a clear commitment to security and user protection.

Conclusion: Lessons Learned and the Future of Cryptocurrency Security

The Coincheck hack and the ongoing legal battles surrounding it offer valuable lessons for the cryptocurrency industry. Crypto traders are due to file a lawsuit Thursday against hacked crypto exchange Coincheck after the company froze crypto withdrawals Ten cryptocurrency traders will file a lawsuit at the Tokyo District Court on Thursday, Feb. 15, against crypto exchange Coincheck over the company s freezing of crypto withdrawals, Reuters reported today, Feb. 13. The Japan-based exchange MoreThe incident highlights the critical importance of robust security measures, clear regulations, and investor protection.As the cryptocurrency market continues to grow and evolve, it is essential that all stakeholders – exchanges, regulators, and users – work together to create a more secure and trustworthy environment.

This latest lawsuit, seeking almost $800,000 in damages, underscores the ongoing challenges faced by Coincheck and the need for continued efforts to improve security and compensate affected customers.The future of cryptocurrency security depends on a collective commitment to learning from the mistakes of the past and building a more resilient and secure ecosystem.

Key Takeaways:

  • Security breaches can have devastating consequences for cryptocurrency exchanges and their users.
  • Robust security measures, including multi-signature authentication and cold storage, are essential for protecting user assets.
  • Clear regulations and investor protection are needed to ensure accountability and transparency in the cryptocurrency market.
  • Users must take proactive steps to protect their own assets, including using hardware wallets, enabling 2FA, and being wary of phishing scams.

Are you ready to take control of your cryptocurrency security? A 15-person class action lawsuit has been filed against Coincheck for almost $800,000 in damages. cointelegraph.com Another Lawsuit Filed Against Hacked Crypto Exchange Coincheck Asks For Almost $800,000Start by implementing the practical steps outlined in this article and stay informed about the latest security threats and best practices.Your digital assets deserve the best possible protection.

Fred Ehrsam can be reached at [email protected].

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