PsiQuantum accelerates Chicago quantum center construction, fueling debate over Bitcoin security

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Quantum project sparks Bitcoin debate

PsiQuantum’s quantum project gains momentum

PsiQuantum co-founder Peter Shadbolt said construction work at the Chicago site is already progressing rapidly. According to him, around 500 tons of steel structures were installed at the construction site in just six days to house the future computing equipment.

PsiQuantum previously raised about $1 billion to develop the project’s infrastructure. Chipmaker Nvidia is also involved in building the facility. The new complex is designed to support quantum systems with error correction — one of the key technological challenges currently facing the entire industry.

The company’s goal is to create a quantum computing platform with up to one million qubits. By comparison, one of the largest operational quantum computers at the California Institute of Technology currently has about 6,100 qubits.

The emergence of systems at such scale inevitably raises questions about the future of cryptography. However, PsiQuantum co-founder Terry Rudolph previously stressed that the company has no intention of using quantum technology to attack cryptocurrency networks. “We do not have plans,” Rudolph said at the Quantum Bitcoin summit, adding: “You can’t hide this stuff as well; it’s a company of hundreds of people”

Could a quantum computer break Bitcoin’s cryptography?

Concerns about quantum technology stem from the theoretical possibility that sufficiently powerful quantum computers could solve mathematical problems underlying modern cryptographic systems. Scientific research suggests that breaking RSA-2048 keys could require around 100,000 qubits, although estimates vary widely.

Bitcoin relies on cryptography based on 256-bit keys. The most vulnerable addresses are those whose public keys have already been revealed on the network. These are known as UTXO addresses, some of which date back to the earliest days of the cryptocurrency.

As quantum research progresses, Bitcoin developers have begun discussing potential countermeasures, including upgrades to cryptographic algorithms or protocol-level changes.

Why quantum technology concerns investors

Many experts believe that practical quantum threats to cryptocurrencies remain far in the future. Blockstream CEO Adam Back has previously said that quantum computers are unlikely to pose a real risk to Bitcoin for at least the next decade.

Research by crypto asset manager CoinShares also suggests that the potentially vulnerable portion of the network is relatively small. According to analysts, about 10,230 BTC are stored in addresses with exposed public keys. Even if these coins were sold simultaneously, the event would resemble a typical large market transaction.

Nevertheless, the topic of quantum computing is already influencing institutional sentiment. Entrepreneur and investor Kevin O’Leary has noted that until the crypto industry demonstrates reliable protection against potential quantum attacks, large funds are likely to remain cautious and limit Bitcoin allocations in their portfolios.

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