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Quantum threat to blockchain: insights from davos forum

Quantum Threat to Blockchain | Alarm Bells Ringing at Davos

By

Alexandra Chen

Jan 22, 2026, 03:33 PM

Updated

Jan 23, 2026, 08:30 AM

2 minutes estimated to read

UBS Chairman discussing quantum threats to blockchain at Davos Forum with a background of digital currency graphics

At the recent Davos forum, UBS Chairman Sergio Ermotti sparked serious concern by highlighting quantum computing's impending threat to blockchain technologies. He warned that existing crypto wallet keys might not withstand quantum hacking, potentially putting nearly half of all cryptocurrencies at risk.

Unsettled Institutional Investors

Ermotti's warnings reflect growing apprehension among financial leaders. Christopher Wood of Jefferies has since dropped Bitcoin from his long-term retirement portfolio, questioning its reliability as a store of value. Venture capitalist Nic Carter noted institutional players might be minimizing these risks to avoid causing panic within the industry.

"It’s fearmongering; there are many measures in place already," commented one individual, reflecting a level of skepticism in community sentiment. However, many are wary of the risks.

Bitcoin's Adaptability Under Fire

Recent comments illustrate discontent regarding Bitcoin’s sluggish approach to protocol updates. One commenter lamented, "It is actively against changes that aren't soft forks." This resistance raises significant vulnerabilities against impending quantum threats. Others emphasize that Bitcoin has roughly a 30-year window to make necessary adaptations before quantum attacks could compromise as much as 20% of all Bitcoin, representing a critical yet urgent challenge for the cryptocurrency.

"How do you update digital gold bestowed upon us by the God Satoshi?" questioned another commenter, underscoring the tension surrounding potential changes to the protocol.

Coinbase's Proactive Stance

In response to the quantum threat, Coinbase announced the formation of an independent advisory council focused on quantum computing and blockchain issues. This initiative is seen as an attempt to align Coinbase at the forefront of potential threats to cryptocurrencies.

"Coinbase promises to spearhead infrastructure upgrades and develop quantum-resistant solutions," a spokesperson said, although cynics argue this move may primarily serve marketing purposes.

Community Takes on Quantum Risks

Reactions in the crypto community reveal a mix of skepticism and genuine concern. Commenters reference alternatives like Algorand and QAN, which are reportedly engaging with quantum-resistant technology:

  • "That’s why I think it’s smart that some blockchains are already working on quantum-resistant tech."

  • "Coinbase can’t protect cryptos unless it owns every blockchain," remarked another participant.

  • A comment suggested more proactive engagement might be necessary: "Hopefully more chains start preparing early instead of reacting late."

Key Insights

  • πŸ”’ Up to 50% of cryptocurrencies could be at risk due to quantum computing, according to Ermotti.

  • πŸ“‰ Institutional wariness continues, illustrated by Wood's removal of Bitcoin from portfolios.

  • πŸ› οΈ Coinbase's new independent advisory council aims to tackle potential quantum threats.

  • βš–οΈ Community sentiment remains divided: some see the warnings as exaggerated, while others press for action.