2nd April 2024  - Jason Cozens

The Quantum Threat: Securing Digital Wealth in an Era of Supercomputing

The Quantum Threat: Securing Digital Wealth in an Era of Supercomputing

In the rapidly evolving landscape of financial technology, the rise of quantum computing marks a paradigm shift with profound implications not only for digital assets like Bitcoin but also for traditional bank accounts and the entirety of the financial sector. This marvel of modern science, offering processing powers unimaginable with today’s computers, poses significant vulnerabilities, especially for the cryptographic underpinnings of blockchain technology and the encryption that safeguards our financial transactions.   

Understanding Quantum Computers 

Quantum computers are not merely faster versions of traditional computers; they represent a fundamentally different approach to computation. Traditional computers use bits as the smallest unit of data, which can be either a 0 or a 1. Quantum computers, however, use qubits, which can exist in a state of 0, 1, or both simultaneously, thanks to a principle called superposition. This ability allows quantum computers to process vast amounts of data at unprecedented speeds. Another key principle of quantum computing is entanglement, which enables qubits that are entangled to instantly influence one another, regardless of distance.  

This combination of superposition and entanglement means quantum computers can solve complex problems much more efficiently than traditional computers.  

How much faster? 

Quantum computers are especially good at breaking codes that rely on multiplying big numbers or using a special kind of math problem. These methods are the foundation for many common security systems, like RSA, which help keep our online information safe. 

Quantum computers could break the codes used by common security methods in just hours or days, unlike regular computers, which would take longer than the age of the universe to do the same thing. 

Forging the Future: The Race to Quantum-Proof Our Financial Security 

Once practical quantum computers are developed, this power would enable quantum computers to break the encryption methods that currently protect our financial systems and threatening the cryptographic foundations of internet security. A global, coordinated effort to adopt new cryptographic standards capable of withstanding quantum computing capabilities will be necessary, focusing on software and protocol updates within the next decade. 

The Global Race for Quantum Supremacy 

The development of quantum computers is a global endeavour, with significant investments pouring into research and development. China, leading the race, boasts the largest investment in quantum technology at $15.3 billion and dominates in quantum patents, emphasizing its aggressive pursuit of quantum supremacy.  

Insights reported by New Scientist, signal that a sufficiently powerful quantum computer could emerge within a decade, posing a threat to our digital and financial security. However, this timeline does not account for potential step-change advancements that could be spurred by Artificial Intelligence, potentially accelerating the timeline to achieve 'Quantum Supremacy.' 

The Imminent Quantum Risk: Decrypting Tomorrow's Threats Today 

Even though practical quantum computers are not expected for at least a decade, a strategy called "harvest now, decrypt later" illustrates a more pressing threat. Malevolent actors collect encrypted data—such as freely available cryptocurrency ledgers—with the intent to decrypt them once quantum computing becomes advanced enough.  
This is particularly concerning for assets in "cold storage" (wallets not actively connected to the network that could be stolen), where the security assumption is based on the current infeasibility of cracking the associated cryptographic algorithms. 

Gold is a Beacon of Stability and Security in the Quantum Era 

Despite these challenges, gold stands as a beacon of stability and security within the financial landscape. Jason Cozens, Founder & CEO of Glint, emphasizes the resilience of gold against quantum threats:  

"Unlike digital assets, gold cannot be dematerialized and hacked down the wire. It is free from the kind of systemic loss possible at crypto exchanges such as the Ronin Hack where $615 million in Ethereum and USDC stablecoin cryptocurrencies were stolen from their ‘digital vault'. 

Glint’s ledger is also protected behind bank-level encryption to ensure it cannot be downloaded and secure from 'harvest now, decrypt later' strategies and we are actively evaluating the risks of quantum empowered hacks and looking at fortifying our data encryption against the quantum threat with quantum proof encryption algorithms." 

Glint offers a revolutionary solution for safeguarding wealth against quantum threats by allowing individuals to buy and transact in gold, an electronically enabled physical currency which by its nature is impervious to being destroyed by quantum decryption. This innovative approach helps ensure financial security, blending ancient wealth with cutting-edge technology to empower financial freedom in these uncertain times. 

As we navigate this new era, prioritizing the development of quantum-resistant technologies and encryption standards to protect the confidentiality, integrity, and authenticity of customer data is paramount. The financial industry and society at large must remain vigilant, ensuring the security of our financial systems against the quantum horizon. Glint is at the forefront of this initiative and whilst the team at Glint understand the benefits people see in crypto currencies the Glint platform provides a secure and innovative way to insulate wealth from some of the vulnerabilities inherent with digital assets and provides a financial defence in the face of quantum advancements. 

Partners in Protection: Securing Your Assets Together  

At Glint, we pride ourselves on utilizing secure and insured gold vaulting as well as bank-level encryption to secure your electronic information and instructions, ensuring a high standard of safety and confidentiality. However, it is crucial that our clients also take proactive steps to safeguard their personal security details, including payment card information and app passwords.   

Be vigilant against requests for payments from third parties and exercise caution in sharing sensitive information. Just as you would protect your physical wallet, we urge you to treat your digital financial tools with the same level of care and awareness.   

Your security is a partnership between us and you; by working together, we can ensure the utmost protection of your assets against unauthorized access or fraudulent activities. 


  • New Scientist, "Quantum computers are a million times too small to hack bitcoin," including Webber's insights on the quantum threat timeline. Available at New Scientist.

  • Yahoo Finance, "16 Most Advanced Countries in Quantum Computing." Available at Yahoo Finance, detailing the global race in quantum computing development, with a focus on China's leading role.