HomeNewsBitcoin Faces Quantum Computing Threat, Analysts Warn

Bitcoin Faces Quantum Computing Threat, Analysts Warn

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  • Noah’s Arc downgraded Bitcoin ETFs to “sell,” citing quantum computing risks within 5-7 years that markets currently ignore.
  • Google’s 105-qubit Willow chip solves problems 10 septillion times faster, bringing quantum threats 5-10 years closer than expected.

Financial firm Noah’s Arc Capital Management changed its Bitcoin ETF recommendation from “hold” to “sell.” The firm cites quantum computing as an underestimated technological threat. Analysts believe Bitcoin’s cryptography could become vulnerable within 5-7 years. Markets currently ignore this risk in Bitcoin’s pricing.

Google’s Willow Chip Accelerates Timelines

Google’s 105-qubit Willow quantum chip reportedly solves problems 10 septillion times faster than supercomputers. This advancement moves “Q-Day” – when quantum computers could break current cryptography – closer. Projections now suggest 5-10 years rather than 2040. Over 60% of Bitcoin’s supply, including Satoshi’s coins, resides in quantum-vulnerable addresses.

Bitcoin’s Upgrade Challenge

Centralized financial systems could update cryptography quickly. Bitcoin’s decentralized nature makes upgrades slower. Implementing quantum-resistant signatures would require a hard fork. Noah’s Arc calls this transition a “daunting task” that could undermine trust. Consensus-building difficulties increase execution risks.

Bitcoin ETFs attracted $4.39 billion last week – the largest weekly inflow since 2014. Assets under management reached $220 billion. This marks 14 consecutive weeks of positive flows. Industry leaders counter quantum concerns:

  • MicroStrategy’s Michael Saylor emphasizes Bitcoin’s foundational principles
  • Blockstream’s Adam Back proposes SLH-DSA quantum-resistant algorithms
  • Developers suggest BIP soft forks for post-quantum migration

Bitcoin (BTC) is trading at $118,019.00 USD, showing a 0.12% increase in the last 24 hours. The 24-hour trading volume has risen to $70.89 billion, reflecting a 37.77% surge, indicating active institutional and retail engagement.

BTCUSDT_2025-07-21_14-43-40
Source: BTC/Tradingview

Updated News and Developments as of July 21, 2025

  1. BlackRock’s IBTC Surpasses $18 Billion in Assets Under Management (AUM)
    The iShares Bitcoin Trust has exceeded $18B AUM, becoming the third-largest commodity ETF in the U.S. This inflow is largely attributed to pension fund allocations and 401(k) integrations in select states.
  2. MicroStrategy Announces New Bitcoin Purchase Worth $500 Million
    Michael Saylor’s firm increased its Bitcoin treasury to over 280,000 BTC, further cementing institutional conviction in Bitcoin as a strategic asset. The purchase was funded via convertible bonds issued earlier in Q2.
  3. SEC Approves Spot Bitcoin ETFs in South Korea and Brazil
    The South Korean FSC and Brazilian CVM have both approved U.S.-mirrored spot BTC ETFs, boosting foreign demand for the asset and triggering synchronized inflows in those regions.
  4. Taproot and Ordinals Usage Surges
    More than 32% of all recent Bitcoin transactions are linked to Taproot-activated Ordinals and inscriptions, indicating rising on-chain activity for collectibles and programmable metadata. Miners have welcomed the revenue from higher fees.
  5. IMF Report Suggests Bitcoin Should Be Considered for Multilateral Reserves
    A recent whitepaper from the International Monetary Fund (IMF) suggests exploring Bitcoin as a non-sovereign reserve asset alongside SDRs and gold, in light of growing adoption in emerging economies and sanction-evading states.

Technically, the asset is well-positioned to challenge the $120,000–$125,000 resistance zone if macro conditions remain stable and demand persists. Volatility may increase near these levels, but support at $114,000 provides near-term protection.

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Isai Alexei
Isai Alexei
As a content creator, Isai Alexei holds a degree in Marketing, providing a solid foundation for the exploration of technology and finance. Isai's journey into the crypto space began during academic years, where the transformative potential of blockchain technology was initially grasped. Intrigued, Isai delved deeper, ultimately making the inaugural cryptocurrency investment in Bitcoin. Witnessing the evolution of the crypto landscape has been both exciting and educational. Ethereum, with its smart contract capabilities, stands out as Isai's favorite, reflecting a genuine enthusiasm for cutting-edge web3 technologies. Business Email: info@ethnews.com Phone: +49 160 92211628
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