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The security crisis of cryptocurrency exchanges: In-depth thinking on technology, management and collaboration

This article will explore the security status and future development direction of cryptocurrency exchanges from four dimensions: technology, management, collaboration and user protection.

加密货币交易所的安全生死劫:技术、管理与协作的深度思考

In the world of cryptocurrency, security is always the sword of Damocles hanging overhead. In February 2025, well-known cryptocurrency exchanges suffered an attack that shocked the industry, resulting in the theft of large assets, triggering a profound reflection on the security of cryptocurrency exchanges around the world.

This incident is not an isolated case. It reveals the importance of the entire industrytechnologymanagementcollaborationanduser protectionDeep-seated issues in this regard. This article will start from these four dimensions to deeply discuss the security status and future development direction of cryptocurrency exchanges.

Technical defense line: Limitations of cold wallets and multi-signature mechanisms

In this incident, hackers successfully broke through the defense line of multi-sign cold wallets by forging executive instructions and tampering with the front-end interface. The incident prompted the industry to re-examine cold wallet security standards. Cold wallets serve as a “safe” for cryptocurrency storage, and their security has always been considered to be the highest standard in the industry. However, this theft incident shows that cold wallets are not absolutely safe. The real key lies in the combination of technical means and internal management.

From a technical perspective, the security of cold wallets relies on technologies such as multi-signature, offline storage, and hardware security modules (HSM). However, technical means are not foolproof. Hackers can bypass cold wallet protection through technical vulnerabilities or social engineering attacks. Therefore, the security of cold wallets needs to be strengthened from the following aspects:

The upgrade of the multi-signature mechanism is the key.Although the traditional multi-signature mechanism increases the difficulty of attacks, it does not fundamentally eliminate risks. Cold wallets need to follow the principles of off-site backup, bank custody, multiple storage media, multiple signatures and complete offline. At the same time, more complex signature algorithms such as Threshold Signature and Multi-Party Computing (MPC) are introduced. These measures can Ensure that even if some keys are leaked, assets are still safe.

In-depth audits of smart contracts are crucial.In this incident, hackers induced multi-signature authorization by tampering with the front-end interface. This attack path indicates that the vulnerability of smart contracts may become a breakthrough for hackers. Therefore, strengthening the audit of smart contracts and introducing a combination of automated audit tools and manual audit will help improve the security and transparency of contract codes, thereby reducing potential risks.

The widespread use of hardware security modules (HSMs) is an effective means to improve the security of cold wallets.Storage of private keys by HSM ensures that the generation, storage and use of private keys are completely carried out in a secure environment, which can effectively prevent private keys from being leaked. In addition, the combination of hardware wallets and biometric technology can further improve the security of user assets.

Management loopholes: Prevention and response to internal operational risks

In this incident, hackers took advantage of the operating loopholes of insiders to forge instructions to induce multi-signature authorization, and finally completed the attack. This path shows that even if the technical defense line is strong enough, weak links in internal management can still be exploited by hackers. Therefore, preventing the coupling risks of technical and internal operating loopholes has become a core topic of exchange security management.

In the cryptocurrency industry,The deepening of the zero-trust security system is the key to preventing internal risks.Adopt the principle of “continuous verification, never trust” to ensure that all operations require strict authentication and authorization. At the same time, role-based access control (RBAC) and the minimum authority principle (PoLP) are introduced to restrict employees ‘access to sensitive data and fundamentally reduce security risks.

For example, Gate.io ensures transparency and traceability of critical operations through strict access controls and regular authority reviews. This measure can ensure that only authorized personnel can access sensitive data, reduce security risks from internal sources, and further consolidate the security management system of cryptocurrency exchanges.

Transparency and auditing of operating processes is another key to preventing internal risks.Exchanges need to establish strict internal operating procedures to ensure the transparency and traceability of key operations (such as cold wallet transfers), and conduct regular internal audits to detect and repair potential vulnerabilities in a timely manner. In this way, the exchange can ensure that every operation is under strict monitoring to prevent operational errors or malicious behavior by insiders.

Employee security training and simulated attack drills are important means to improve internal security awareness.Exchanges need to provide regular safety training to employees to enhance their awareness of preventing social engineering attacks. At the same time, simulated attack drills can also be used to test employees ‘ability to respond in real attack scenarios. In this way, employees can remain calm when faced with complex attacks and quickly take the right response.

Industry collaboration: The necessity and implementation path of cross-exchange security alliances

After the incident, many exchanges such as Coinbase and Binance responded quickly and successfully blocked hacker addresses related to the incident through cooperation and information sharing. This action helps reduce the circulation of stolen assets and the possibility of money laundering, and also demonstrates the huge potential of cross-exchange cooperation in responding to security incidents.

In the cryptocurrency industry, industry collaboration is the key to improving overall security levels.The complexity and diversity of hacking attacks have exceeded the ability of a single exchange to respond. Therefore, establishing a cross-exchange security offensive and defensive alliance and improving the overall defense level of the industry by sharing hacker attack signature databases and collaborative vulnerability reward plans are inevitable trends in the future development of the industry.

The sharing of hacking signature libraries is the foundation of cross-exchange collaboration.Each exchange shares known hacker attack characteristics, attack paths and attack methods into the alliance database, which can effectively help other exchanges warn and prevent similar attacks in advance.

The collaborative vulnerability reward program is an important means to improve the security level of the industry.The vulnerability bounty program led and jointly established by the head exchange can attract global security researchers to participate in discovering and repairing potential vulnerabilities in a timely manner. In this way, the industry can make full use of the power of the global security community to improve the overall level of security protection.

Taking Gate.io as an example, the platform has long established a vulnerability reward program to encourage security researchers to report possible security vulnerabilities on the platform. The continuous expansion of security review dimensions is beneficial to the security of the exchange. It enables the exchange to discover and repair potential security problems in a timely manner and further improve the overall security of the platform.

Meanwhile,The coordination of Incident Response Service mechanisms is also the key to responding to major security incidents.Establishing a unified Incident Response Service mechanism can ensure that in the event of a major security incident, exchanges can quickly coordinate operations to block hacker assets and trace the source of the attack. This close cooperation across exchanges not only improves the speed of incident response, but also minimizes losses and effectively combats malicious attacks by hackers.

User protection: asset recovery and compensation mechanism in the worst case

Despite the various security measures taken by the exchange, the complexity and unpredictability of hacking attacks still exist. In the worst case scenario, how to protect the priority of recovery of user assets is a problem that every exchange must face.

Asset recovery priority is the core of user rights protection.In the event of a security incident, the exchange should give priority to protecting the right of recourse to user assets. By working with blockchain security companies, we track the flow of stolen assets and do our best to recover user assets.

In the cryptocurrency industry,The risk reserve mechanism is an important guarantee for the safety of user assets.By establishing a sound risk reserve system, we ensure that financial losses can be quickly covered in extreme circumstances. Currently, major exchanges adopt a 1:1 asset reserve mechanism, which is absolutely necessary for users, but transparency and reliability still need time to verify.

Simply put, even if stolen assets cannot be recovered, user interests will not be harmed. This is the meaning of the existence of reserves. In this way, users can receive the greatest degree of protection when faced with security incidents.

As the frequency of updating reserve data of various exchanges accelerates and the amount of reserves continues to break through, the protection for users becomes more and more reliable. It is undeniable that this industry’s largest fund theft incident is undoubtedly an important opportunity to strengthen the exchange’s “security defense line”.

Also,User education and safety advice are important means to improve user safety awareness.Exchanges should regularly issue security tips to users, advising users to give priority to hardware wallets to store assets and avoid long-term deposits of large amounts of funds on the exchange.

An industry-wide security outlook

Many large-value asset theft incidents have sounded alarm for the entire cryptocurrency industry. These incidents remind us that security is a systemic issue that needs to be strengthened from multiple dimensions such as technology, management, industry collaboration and user protection.

The cryptocurrency industry is in a stage of rapid development, and security issues are not only a technical challenge, but also a cornerstone of trust. Only through the joint efforts of the entire industry and continuously strengthening its technical, management and collaboration capabilities can the industry truly mature and win the trust and support of users. In the future, with the advancement of technology and the improvement of industry standards, we have reason to believe that the cryptocurrency industry will become more secure, transparent and reliable.

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