Blockchains Quietly Prepare for Quantum Threat Amid Bitcoin’s Debate Over Timeline

By: crypto insight|2025/12/23 00:30:10
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Key Takeaways

  • Many blockchains are preparing for potential threats from quantum computing by integrating post-quantum technologies.
  • Ethereum views quantum computing as an engineering challenge, emphasizing early preparation given high stakes and long transition times.
  • Bitcoin’s community remains divided on the urgency of addressing quantum risks, with concerns about how it’s perceived impacting Bitcoin’s market value.
  • Altcoin networks like Aptos and Solana are proactively testing quantum-resistant measures, while Bitcoin’s discourse reflects tensions and trust issues.
  • The broader debate emphasizes the importance of clarity and confidence in addressing long-term, ambiguous threats like quantum computing.

WEEX Crypto News, 2025-12-22 16:15:39

As we look into the ever-evolving landscape of blockchain technology, it’s becoming increasingly clear that conversations about quantum computing are taking center stage. Quantum computers remain unable to breach the security of cryptocurrencies like Bitcoin, yet the ripple of anxiety is already visible among the community. Recently, actions from blockchains such as Aptos and Solana have underscored a forward-thinking approach, as they both engage in testing and preparing for the eventuality of quantum advancements. Meanwhile, within the Bitcoin community, there’s a palpable dispute about whether they should adopt a more rapid approach to incorporate quantum-resistant measures.

Addressing Quantum Threats Without Raising Alarm

Ethereum has taken a particularly strategic perspective on quantum computing. The other major blockchain protocols seem to be following its lead by treating quantum-enhanced cryptography as an instrumental factor needing immediate focus. This methodology isn’t just a knee-jerk reaction to popular fears but rather a well-reasoned approach to future-proof against potential vulnerabilities. Ethereum co-founder Vitalik Buterin’s insights shed light on this, emphasizing the low-current probability of quantum breakthroughs capable of outsmarting current cryptography doesn’t excuse the lack of preparedness. He highlights that even a slight risk, owing to the high costs and complex global infrastructures reliant on secure blockchain technologies, demands proactive measures.

This sentiment has resonated across various altcoin blockchains. For instance, Aptos is proposing an opt-in post-quantum signature support system. This effort is designed to be future-ready, offering a hash-based signature scheme that circumvents the operational upheaval to existing accounts. By doing so, it balances readiness with operational continuity, allowing users who wish to adopt this new scheme the latitude to do so without enforcing a global reset.

Solana’s approach is similarly cautious yet innovative. Engaging with Project Eleven, a security firm focused on post-quantum technologies, Solana conducted extensive tests through a dedicated testnet. These tests explored the integration of quantum-resistant signatures, ensuring that potential shifts wouldn’t impair the blockchain’s performance or functionality. This form of testing shows a blend of foresight and pragmatism, signaling robustness without sending disruptive signals to users or investors.

Bitcoin’s Trust Dilemma Amid Quantum Concerns

Bitcoin, however, stands at a crossroads of ideological trust issues. The debate hinges on the blockchain’s foundational reliance on elliptic curve cryptography. Theoretically, a quantum computer adeptly using Shor’s algorithm could unravel this cryptography by deducing private keys from public ones, leading to unauthorized transactions that go unnoticed within the network. Despite this, many believe we are years away from having such quantum capabilities that can be labeled as “cryptographically relevant.”

The Bitcoin community is grappling with how best to present the quantum threat without invoking unnecessary turmoil. On one side of the spectrum, veteran Bitcoin developers and cryptographers like Adam Back dismiss immediate quantum threats, suggesting that these possibilities remain too futuristic to warrant immediate panic. Back argues that overemphasizing quantum risks may inadvertently lead to more damaging outcomes by inciting fear that subsequently affects Bitcoin’s perceived stability.

Conversely, investors and some researchers argue for the importance of tackling even a speculative threat head-on. They stress that Bitcoin’s value, immensely tied to investor confidence in its long-term security, demands visible contingency measures. Figures like Nic Carter criticize prominent dismissals of this threat as “bearish,” suggesting that such attitudes might lead to a diversification of assets away from Bitcoin.

This divide is especially pronounced with Bitcoin Improvement Proposal 360, which introduces potential quantum-resistant signature options. Although still in early stages, discussions around this proposal highlight the broader interplay of trust and skepticism pervasive in the community.

Bitcoin’s Unique Quantum Challenges

In the larger crypto ecosystem, the way quantum computing vulnerabilities are communicated and perceived radically affects investor sentiment and market dynamics. For many altcoins and emerging blockchains, work on post-quantum measures is perceived as standard infrastructure development, a strategic move rather than a signal of present vulnerabilities. By using optional upgrades, these projects can demonstrate preparedness and technological adaptability without compelling onlookers to doubt their current security protocols.

Bitcoin faces a challenging path partly because of its intrinsic value proposition. With its reputation for being a ‘store of value,’ discussions about fortifying Bitcoin’s cryptography implicate more than just technical deliberations—they potentially shake the core assurance investors hold about its longevity. Talking openly about future-proofing Bitcoin can involuntarily create a narrative of vulnerability, something Bitcoin has historically tried to avoid.

However, the underlying discussions about quantum computing for Bitcoin might extend beyond cryptographic fortifications. They must navigate the tightrope between inspiring confidence through preparation and fostering apprehensiveness by emphasizing remote threats. It emphasizes a rare situation where managing the discourse surrounding the threat may be as critical as managing the technical challenges posed by the threat itself.

FAQ

What is the current state of quantum computing in relation to cryptocurrencies?

As of today, quantum computers have not reached the capability needed to break the cryptography underpinning major cryptocurrencies like Bitcoin or Ethereum. However, the potential future capabilities are a reason for current caution and preparation steps among blockchain developers.

How do blockchains prepare for possible quantum computing threats?

Many blockchains are preparing by experimenting with opt-in post-quantum cryptographic solutions, conducting thorough testing on testnets with quantum-resistant technologies, and proposing future-proofing solutions that accommodate eventual quantum breakthroughs without inducing panic or operational disruptions.

Why is there a debate within the Bitcoin community about addressing quantum threats?

The debate stems from different perspectives on urgency and impact. Some see the need for immediate action to bolster long-term trust, while others are wary of inciting undue panic over a technology that is still largely theoretical and years away from being a real threat.

How do investors view Bitcoin’s handling of quantum computing threats?

Investor perspectives vary; some believe addressing such risks upfront enhances confidence, while others worry that premature discussions of quantum threats could undermine current perceptions of Bitcoin’s resilience, prompting diversification and affecting market behavior.

What distinguishes Bitcoin’s handling of quantum threats compared to other blockchains?

Bitcoin is distinct in that it operates under a heightened scrutiny due to its foundational role as a decentralized store of value. Addressing quantum threats means balancing proactive defense measures with maintaining confidence in its present security promises, unlike altcoins that might treat these as mere exploratory infrastructure improvements.

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China's Central Bank and Eight Other Departments' Latest Regulatory Focus: Key Attention to RWA Tokenized Asset Risk


Foreword: Today, the People's Bank of China's website published the "Notice of the People's Bank of China, National Development and Reform Commission, Ministry of Industry and Information Technology, Ministry of Public Security, State Administration for Market Regulation, China Banking and Insurance Regulatory Commission, China Securities Regulatory Commission, State Administration of Foreign Exchange on Further Preventing and Dealing with Risks Related to Virtual Currency and Others (Yinfa [2026] No. 42)", the latest regulatory requirements from the eight departments including the central bank, which are basically consistent with the regulatory requirements of recent years. The main focus of the regulation is on speculative activities such as virtual currency trading, exchanges, ICOs, overseas platform services, and this time, regulatory oversight of RWA has been added, explicitly prohibiting RWA tokenization, stablecoins (especially those pegged to the RMB). The following is the full text:


To the people's governments of all provinces, autonomous regions, and municipalities directly under the Central Government, the Xinjiang Production and Construction Corps:


  Recently, there have been speculative activities related to virtual currency and Real-World Assets (RWA) tokenization, disrupting the economic and financial order and jeopardizing the property security of the people. In order to further prevent and address the risks related to virtual currency and Real-World Assets tokenization, effectively safeguard national security and social stability, in accordance with the "Law of the People's Republic of China on the People's Bank of China," "Law of the People's Republic of China on Commercial Banks," "Securities Law of the People's Republic of China," "Law of the People's Republic of China on Securities Investment Funds," "Law of the People's Republic of China on Futures and Derivatives," "Cybersecurity Law of the People's Republic of China," "Regulations of the People's Republic of China on the Administration of Renminbi," "Regulations on Prevention and Disposal of Illegal Fundraising," "Regulations of the People's Republic of China on Foreign Exchange Administration," "Telecommunications Regulations of the People's Republic of China," and other provisions, after reaching consensus with the Cyberspace Administration of China, the Supreme People's Court, and the Supreme People's Procuratorate, and with the approval of the State Council, the relevant matters are notified as follows:


  I. Clarify the essential attributes of virtual currency, Real-World Assets tokenization, and related business activities


  (I) Virtual currency does not possess the legal status equivalent to fiat currency. Virtual currencies such as Bitcoin, Ether, Tether, etc., have the main characteristics of being issued by non-monetary authorities, using encryption technology and distributed ledger or similar technology, existing in digital form, etc. They do not have legal tender status, should not and cannot be circulated and used as currency in the market.


  The business activities related to virtual currency are classified as illegal financial activities. The exchange of fiat currency and virtual currency within the territory, exchange of virtual currencies, acting as a central counterparty in buying and selling virtual currencies, providing information intermediary and pricing services for virtual currency transactions, token issuance financing, and trading of virtual currency-related financial products, etc., fall under illegal financial activities, such as suspected illegal issuance of token vouchers, unauthorized public issuance of securities, illegal operation of securities and futures business, illegal fundraising, etc., are strictly prohibited across the board and resolutely banned in accordance with the law. Overseas entities and individuals are not allowed to provide virtual currency-related services to domestic entities in any form.


  A stablecoin pegged to a fiat currency indirectly fulfills some functions of the fiat currency in circulation. Without the consent of relevant authorities in accordance with the law and regulations, any domestic or foreign entity or individual is not allowed to issue a RMB-pegged stablecoin overseas.


(II)Tokenization of Real-World Assets refers to the use of encryption technology and distributed ledger or similar technologies to transform ownership rights, income rights, etc., of assets into tokens (tokens) or other interests or bond certificates with token (token) characteristics, and carry out issuance and trading activities.


  Engaging in the tokenization of real-world assets domestically, as well as providing related intermediary, information technology services, etc., which are suspected of illegal issuance of token vouchers, unauthorized public offering of securities, illegal operation of securities and futures business, illegal fundraising, and other illegal financial activities, shall be prohibited; except for relevant business activities carried out with the approval of the competent authorities in accordance with the law and regulations and relying on specific financial infrastructures. Overseas entities and individuals are not allowed to illegally provide services related to the tokenization of real-world assets to domestic entities in any form.


  II. Sound Work Mechanism


  (III) Inter-agency Coordination. The People's Bank of China, together with the National Development and Reform Commission, the Ministry of Industry and Information Technology, the Ministry of Public Security, the State Administration for Market Regulation, the China Banking and Insurance Regulatory Commission, the China Securities Regulatory Commission, the State Administration of Foreign Exchange, and other departments, will improve the work mechanism, strengthen coordination with the Cyberspace Administration of China, the Supreme People's Court, and the Supreme People's Procuratorate, coordinate efforts, and overall guide regions to carry out risk prevention and disposal of virtual currency-related illegal financial activities.


  The China Securities Regulatory Commission, together with the National Development and Reform Commission, the Ministry of Industry and Information Technology, the Ministry of Public Security, the People's Bank of China, the State Administration for Market Regulation, the China Banking and Insurance Regulatory Commission, the State Administration of Foreign Exchange, and other departments, will improve the work mechanism, strengthen coordination with the Cyberspace Administration of China, the Supreme People's Court, and the Supreme People's Procuratorate, coordinate efforts, and overall guide regions to carry out risk prevention and disposal of illegal financial activities related to the tokenization of real-world assets.


  (IV) Strengthening Local Implementation. The people's governments at the provincial level are overall responsible for the prevention and disposal of risks related to virtual currencies and the tokenization of real-world assets in their respective administrative regions. The specific leading department is the local financial regulatory department, with participation from branches and dispatched institutions of the State Council's financial regulatory department, telecommunications regulators, public security, market supervision, and other departments, in coordination with cyberspace departments, courts, and procuratorates, to improve the normalization of the work mechanism, effectively connect with the relevant work mechanisms of central departments, form a cooperative and coordinated working pattern between central and local governments, effectively prevent and properly handle risks related to virtual currencies and the tokenization of real-world assets, and maintain economic and financial order and social stability.


  III. Strengthened Risk Monitoring, Prevention, and Disposal


  (5) Enhanced Risk Monitoring. The People's Bank of China, China Securities Regulatory Commission, National Development and Reform Commission, Ministry of Industry and Information Technology, Ministry of Public Security, State Administration of Foreign Exchange, Cyberspace Administration of China, and other departments continue to improve monitoring techniques and system support, enhance cross-departmental data analysis and sharing, establish sound information sharing and cross-validation mechanisms, promptly grasp the risk situation of activities related to virtual currency and real-world asset tokenization. Local governments at all levels give full play to the role of local monitoring and early warning mechanisms. Local financial regulatory authorities, together with branches and agencies of the State Council's financial regulatory authorities, as well as departments of cyberspace and public security, ensure effective connection between online monitoring, offline investigation, and fund tracking, efficiently and accurately identify activities related to virtual currency and real-world asset tokenization, promptly share risk information, improve early warning information dissemination, verification, and rapid response mechanisms.


  (6) Strengthened Oversight of Financial Institutions, Intermediaries, and Technology Service Providers. Financial institutions (including non-bank payment institutions) are prohibited from providing account opening, fund transfer, and clearing services for virtual currency-related business activities, issuing and selling financial products related to virtual currency, including virtual currency and related financial products in the scope of collateral, conducting insurance business related to virtual currency, or including virtual currency in the scope of insurance liability. Financial institutions (including non-bank payment institutions) are prohibited from providing custody, clearing, and settlement services for unauthorized real-world asset tokenization-related business and related financial products. Relevant intermediary institutions and information technology service providers are prohibited from providing intermediary, technical, or other services for unauthorized real-world asset tokenization-related businesses and related financial products.


  (7) Enhanced Management of Internet Information Content and Access. Internet enterprises are prohibited from providing online business venues, commercial displays, marketing, advertising, or paid traffic diversion services for virtual currency and real-world asset tokenization-related business activities. Upon discovering clues of illegal activities, they should promptly report to relevant departments and provide technical support and assistance for related investigations and inquiries. Based on the clues transferred by the financial regulatory authorities, the cyberspace administration, telecommunications authorities, and public security departments should promptly close and deal with websites, mobile applications (including mini-programs), and public accounts engaged in virtual currency and real-world asset tokenization-related business activities in accordance with the law.


  (8) Strengthened Entity Registration and Advertisement Management. Market supervision departments strengthen entity registration and management, and enterprise and individual business registrations must not contain terms such as "virtual currency," "virtual asset," "cryptocurrency," "crypto asset," "stablecoin," "real-world asset tokenization," or "RWA" in their names or business scopes. Market supervision departments, together with financial regulatory authorities, legally enhance the supervision of advertisements related to virtual currency and real-world asset tokenization, promptly investigating and handling relevant illegal advertisements.


  (IX) Continued Rectification of Virtual Currency Mining Activities. The National Development and Reform Commission, together with relevant departments, strictly controls virtual currency mining activities, continuously promotes the rectification of virtual currency mining activities. The people's governments of various provinces take overall responsibility for the rectification of "mining" within their respective administrative regions. In accordance with the requirements of the National Development and Reform Commission and other departments in the "Notice on the Rectification of Virtual Currency Mining Activities" (NDRC Energy-saving Building [2021] No. 1283) and the provisions of the "Guidance Catalog for Industrial Structure Adjustment (2024 Edition)," a comprehensive review, investigation, and closure of existing virtual currency mining projects are conducted, new mining projects are strictly prohibited, and mining machine production enterprises are strictly prohibited from providing mining machine sales and other services within the country.


  (X) Severe Crackdown on Related Illegal Financial Activities. Upon discovering clues to illegal financial activities related to virtual currency and the tokenization of real-world assets, local financial regulatory authorities, branches of the State Council's financial regulatory authorities, and other relevant departments promptly investigate, determine, and properly handle the issues in accordance with the law, and seriously hold the relevant entities and individuals legally responsible. Those suspected of crimes are transferred to the judicial authorities for processing according to the law.


 (XI) Severe Crackdown on Related Illegal and Criminal Activities. The Ministry of Public Security, the People's Bank of China, the State Administration for Market Regulation, the China Banking and Insurance Regulatory Commission, the China Securities Regulatory Commission, as well as judicial and procuratorial organs, in accordance with their respective responsibilities, rigorously crack down on illegal and criminal activities related to virtual currency, the tokenization of real-world assets, such as fraud, money laundering, illegal business operations, pyramid schemes, illegal fundraising, and other illegal and criminal activities carried out under the guise of virtual currency, the tokenization of real-world assets, etc.


  (XII) Strengthen Industry Self-discipline. Relevant industry associations should enhance membership management and policy advocacy, based on their own responsibilities, advocate and urge member units to resist illegal financial activities related to virtual currency and the tokenization of real-world assets. Member units that violate regulatory policies and industry self-discipline rules are to be disciplined in accordance with relevant self-regulatory management regulations. By leveraging various industry infrastructure, conduct risk monitoring related to virtual currency, the tokenization of real-world assets, and promptly transfer issue clues to relevant departments.


  IV. Strict Supervision of Domestic Entities Engaging in Overseas Business Activities


(XIII) Without the approval of relevant departments in accordance with the law and regulations, domestic entities and foreign entities controlled by them may not issue virtual currency overseas.


  (XIV) Domestic entities engaging directly or indirectly in overseas external debt-based tokenization of real-world assets, or conducting asset securitization activities abroad based on domestic ownership rights, income rights, etc. (hereinafter referred to as domestic equity), should be strictly regulated in accordance with the principles of "same business, same risk, same rules." The National Development and Reform Commission, the China Securities Regulatory Commission, the State Administration of Foreign Exchange, and other relevant departments regulate it according to their respective responsibilities. For other forms of overseas real-world asset tokenization activities based on domestic equity by domestic entities, the China Securities Regulatory Commission, together with relevant departments, supervise according to their division of responsibilities. Without the consent and filing of relevant departments, no unit or individual may engage in the above-mentioned business.


  (15) Overseas subsidiaries and branches of domestic financial institutions providing Real World Asset Tokenization-related services overseas shall do so legally and prudently. They shall have professional personnel and systems in place to effectively mitigate business risks, strictly implement customer onboarding, suitability management, anti-money laundering requirements, and incorporate them into the domestic financial institutions' compliance and risk management system. Intermediaries and information technology service providers offering Real World Asset Tokenization services abroad based on domestic equity or conducting Real World Asset Tokenization business in the form of overseas debt for domestic entities directly or indirectly venturing abroad must strictly comply with relevant laws and regulations. They should establish and improve relevant compliance and internal control systems in accordance with relevant normative requirements, strengthen business and risk control, and report the business developments to the relevant regulatory authorities for approval or filing.


  V. Strengthen Organizational Implementation


  (16) Strengthen organizational leadership and overall coordination. All departments and regions should attach great importance to the prevention of risks related to virtual currencies and Real World Asset Tokenization, strengthen organizational leadership, clarify work responsibilities, form a long-term effective working mechanism with centralized coordination, local implementation, and shared responsibilities, maintain high pressure, dynamically monitor risks, effectively prevent and mitigate risks in an orderly and efficient manner, legally protect the property security of the people, and make every effort to maintain economic and financial order and social stability.


  (17) Widely carry out publicity and education. All departments, regions, and industry associations should make full use of various media and other communication channels to disseminate information through legal and policy interpretation, analysis of typical cases, and education on investment risks, etc. They should promote the illegality and harm of virtual currencies and Real World Asset Tokenization-related businesses and their manifestations, fully alert to potential risks and hidden dangers, and enhance public awareness and identification capabilities for risk prevention.


  VI. Legal Responsibility


  (18) Engaging in illegal financial activities related to virtual currencies and Real World Asset Tokenization in violation of this notice, as well as providing services for virtual currencies and Real World Asset Tokenization-related businesses, shall be punished in accordance with relevant regulations. If it constitutes a crime, criminal liability shall be pursued according to the law. For domestic entities and individuals who knowingly or should have known that overseas entities illegally provided virtual currency or Real World Asset Tokenization-related services to domestic entities and still assisted them, relevant responsibilities shall be pursued according to the law. If it constitutes a crime, criminal liability shall be pursued according to the law.


  (19) If any unit or individual invests in virtual currencies, Real World Asset Tokens, and related financial products against public order and good customs, the relevant civil legal actions shall be invalid, and any resulting losses shall be borne by them. If there are suspicions of disrupting financial order and jeopardizing financial security, the relevant departments shall deal with them according to the law.


  This notice shall enter into force upon the date of its issuance. The People's Bank of China and ten other departments' "Notice on Further Preventing and Dealing with the Risks of Virtual Currency Trading Speculation" (Yinfa [2021] No. 237) is hereby repealed.


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