Startup enables researchers to utilize a quantum computer for blockchain task processing for the first time.

Developed with guidance and hardware support from D-Wave, the testnet has garnered 13,000 registrations and preliminary contributions from six research teams, yet it remains an experimental platform rather than a fully operational mainnet.

Startup introduces testnet to explore if quantum technology can enhance blockchains. (Ben Wicks/Unsplash)

Key points:

• Postquant Labs has rolled out a blockchain testnet that enables quantum processors, GPUs, and CPUs to operate concurrently, allowing researchers to investigate whether quantum computing provides genuine benefits for blockchain operations.
• Developed with insights and hardware resources from D-Wave, the testnet has attracted 13,000 registrations and initial contributions from six research teams, yet it is still regarded as an experimental setup rather than a functioning mainnet.
• The initiative seeks to determine if quantum systems can achieve superior speed, solution quality, and energy efficiency compared to traditional systems for optimization challenges, while recognizing that any mainnet rollout hinges on demonstrating a true quantum advantage and market interest.

The majority of the cryptocurrency sector has spent this week analyzing Google’s research on the potential of quantum computers to compromise blockchain encryption. Conversely, one startup is inquiring whether quantum technology can enhance blockchain performance.

Postquant Labs, which is developing the global shared quantum computer, Quip.Network, announced on Wednesday the launch of what it identifies as the first publicly accessible quantum classical blockchain testnet, where quantum computers and traditional technology collaborate to address challenges.

Quantum computers leverage the principles of subatomic particles to evaluate numerous potential solutions simultaneously, contrasting with conventional supercomputers that process solutions sequentially, even when they are extremely fast.

The testnet has already received 13,000 registrations from researchers at institutions like MIT, Stanford, and various universities globally, as stated in the press release provided to CoinDesk. Among these, six teams have presented substantial computational work to date.

Postquant Labs’ effort to explore how quantum processors can enhance blockchain capabilities contrasts with the predominant view among blockchain developers, who perceive quantum technology as a risk.

The perception of risk has intensified following Google’s publication of a paper on Monday, which indicated that breaching Bitcoin’s cryptographic defenses would necessitate fewer than 500,000 physical qubits, a significant reduction from previous estimates.

It is important to note that Postquant Labs’ testnet is a research environment, not a finalized product. It serves as a platform for researchers to experiment prior to any production phase.

The testnet has been created with guidance from D-Wave Quantum Inc, a prominent entity in quantum computing systems, software, and services.

“From a technical viewpoint, the hybrid architecture of the testnet is particularly intriguing. Participants can contribute using QPUs, CPUs, and GPUs, fostering a collective environment to assess the performance of various computational models side by side,” Dr. Trevor Lanting, chief development officer of D-Wave, informed CoinDesk.

“This establishes an environment to facilitate a better understanding of how quantum methodologies compare to classical techniques within a blockchain context, and where they might offer significant advantages such as enhanced energy efficiency or security,” he added.

Developers and researchers can earn QUIP tokens by tackling complex mathematical challenges using quantum machines, GPUs, or standard CPUs. QUIP serves as a utility token that can be exchanged for computational resources provided by both quantum and classical miners on the network.

If quantum computers can indeed surpass traditional computers in blockchain tasks—solving issues more rapidly, consuming less energy, and yielding superior results—then distributed ledger technology could become significantly more applicable for real-world business scenarios, beyond mere cryptocurrency trading.

“Currently, annealing quantum computers are beginning to demonstrate performance enhancements in practical optimization applications across logistics, manufacturing, and more, frequently achieving better outcomes faster and at a lower energy cost than classical-only solutions,” stated Colton Dillion, CEO and co-founder of Postquant Labs.

“Our objective is to make this quantum advantage available across a blockchain network,” Dillion added.

At this point, that remains a considerable “if.” This testnet must validate whether the quantum advantage is authentic or just promotional rhetoric.

“The launch of the mainnet will solely depend on the performance of the testnet, but we are keen to proceed as soon as we have demonstrated the network’s ability to address real-world issues and confirmed that both quantum demand and supply are present in the market,” Postquant Labs informed CoinDesk.

Are quantum computers real?

Yes, they exist, but not in the fictional sense of breaking Bitcoin or other blockchains or infiltrating banks and major financial institutions.

D-Wave’s machines are not the kind of quantum computers referenced in Google’s paper. They are annealing systems, specialized hardware designed for optimization tasks such as route planning and resource allocation.

They are incapable of executing Shor’s algorithm, cannot compromise encryption, and cannot perform any actions described in Google’s paper. They excel at a specific category of problems, which is the category Quip.Network is exploring.

Postquant is utilizing D-Wave’s Advantage2 annealing quantum computer via the company’s Leap cloud service.

In preliminary internal assessments, Postquant claims D-Wave’s Advantage2 system outperformed 80 H100 GPUs and 480 CPU cores in terms of solution quality, time-to-solution, and energy efficiency for these particular optimization tasks.

These findings have not yet been independently verified or published. Until that occurs, the assertion remains solely the company’s.

What is D-Wave’s involvement?

D-Wave is not a full-fledged partner or investor and has merely provided advisory support to Quip Network regarding the development of the testnet, along with access to the Advantage2 system and consultation on the testnet’s development.

It is crucial to highlight that D-Wave has not independently endorsed the overall technical framework—their participation is restricted to providing hardware access and guidance.