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Quantum Computing Threat Puts Bitcoin (BTC) and Ethereum (ETH) at Risk; Polygon (MATIC) Pivots Strategy | Flash News Detail | Blockchain.News
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7/1/2025 6:10:59 AM

Quantum Computing Threat Puts Bitcoin (BTC) and Ethereum (ETH) at Risk; Polygon (MATIC) Pivots Strategy

Quantum Computing Threat Puts Bitcoin (BTC) and Ethereum (ETH) at Risk; Polygon (MATIC) Pivots Strategy

According to @CryptoMichNL, the cryptocurrency market faces a significant long-term threat from quantum computing, referred to as 'Q-Day'. Experts cited in the report, such as Jay Gambetta from IBM Quantum, warn that malicious actors are already conducting 'Harvest Now, Decrypt Later' attacks on encrypted data. This risk is significant enough that BlackRock included quantum computing as a critical risk in its Bitcoin ETF filing. Research suggests that approximately 4 million Bitcoin (BTC), or 25% of the usable supply, could be vulnerable to theft. For Ethereum (ETH), co-founder Vitalik Buterin has proposed emergency hard-fork solutions, which could lead to substantial network downtime. In other key developments, Polygon (MATIC) is undergoing a major strategic overhaul as co-founder Sandeep Nailwal becomes CEO of the Polygon Foundation. The project will now focus on its AggLayer cross-chain protocol and retire the zkEVM. Additionally, the Ethereum Foundation has announced a new treasury policy, capping annual operational expenses at 15% to ensure long-term sustainability.

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Analysis

The cryptocurrency market is navigating a complex landscape of strategic overhauls and existential threats, creating a volatile but opportunity-rich environment for traders. Key developments from Polygon (MATIC), the Ethereum Foundation, and the looming reality of quantum computing are reshaping long-term investment theses. While Bitcoin (BTC) trades around the $106,297 level, showing a minor 24-hour dip of about 0.52% on BTCUSDC pairs, these deeper narrative shifts are what will likely dictate market direction in the coming months and years. The immediate price action, with BTC ranging between a 24-hour high of $107,206 and a low of $104,800, belies the significant undercurrents at play.



Polygon's Strategic Pivot: Will the AggLayer Revive Its Fortunes?


Polygon, once a dominant force in Ethereum scaling, is undergoing a foundational transformation. Co-founder Sandeep Nailwal has taken the helm as CEO of the Polygon Foundation, signaling a decisive new direction. The organization is consolidating its focus on the AggLayer, a novel protocol designed to unify liquidity across different blockchain networks. This ambitious move comes with a significant casualty: the retirement of the Polygon zkEVM rollup network. According to a statement from the team, this overhaul is a strategic push for Polygon to "reclaim its position at the forefront of Web3." For traders, this represents a critical juncture. The success of the AggLayer could reignite interest and utility for the ecosystem's token, POL (the successor to MATIC). However, the transition introduces uncertainty and execution risk. The market will be closely watching for developer adoption and the seamlessness of this cross-chain interoperability. This is a long-term narrative play, as the immediate impact on price is not yet clear, but the potential for a significant re-rating exists if Nailwal's vision is realized.



The Quantum Ticking Bomb: Is Your BTC and ETH Portfolio at Risk?


A far more profound, long-term threat is casting a shadow over the entire digital asset space: quantum computing. The concept of "Q-Day"—the moment quantum computers can break current cryptographic standards—poses an existential risk to blockchains like Bitcoin and Ethereum. As Jay Gambetta, Vice President of IBM Quantum, warns, malicious actors are already engaging in "Harvest Now, Decrypt Later" attacks, storing encrypted data today with the intent of breaking it with future quantum technology. This isn't science fiction; it's a risk that institutional players are taking seriously. In a landmark move, BlackRock specifically added quantum computing as a critical risk factor in its Bitcoin ETF filing, noting it could "undermine the viability" of cryptographic algorithms. Meanwhile, Ethereum (ETH) is trading around $2,434, down approximately 0.8% over the past 24 hours, with the ETHBTC pair also showing weakness at 0.02291. This price action is currently driven by short-term factors, but the quantum threat is a long-term headwind that cannot be ignored.



Long-Term Implications for Bitcoin and Ethereum


The scale of the quantum threat is staggering. Researchers have warned that as many as 4 million BTC—about 25% of the usable supply—are in wallet types vulnerable to quantum attacks. Ethereum co-founder Vitalik Buterin has already discussed the need for an emergency hard fork to migrate the chain to quantum-resistant cryptography, a process that could involve significant downtime and market chaos. According to researchers at the University of Kent, upgrading Bitcoin's network could take 75 days of downtime. Such an event would be catastrophic for a trillion-dollar asset class. This long-term risk profile is slowly being priced in and presents a potential trading thesis around quantum-resistant blockchain projects. While major assets like Bitcoin and Ethereum grapple with this future migration, nimbler projects focused on post-quantum cryptography could see speculative interest grow as Q-Day, which some experts like Tilo Kunz believe could arrive as soon as 2025, draws nearer.



Market Undercurrents: Ethereum's Stability and Bitcoin's Evolution


Away from existential threats, foundational developments continue to shape the market. The Ethereum Foundation has published a new treasury policy, capping its annual operational expenses at 15% and planning to reduce this over the next five years. This demonstrates fiscal prudence and a commitment to the long-term sustainability of the ecosystem, a subtly bullish signal for ETH investors. The foundation's belief that 2025-2026 will be "pivotal" years suggests traders should anticipate significant protocol developments. Concurrently, Bitcoin Core developers have confirmed that the upcoming version 30 release will dramatically increase the data limit for OP_RETURN transactions. This technical change, while debated, opens the door for more complex applications and data to be embedded on the Bitcoin blockchain, potentially increasing its utility and driving network fees. This could be a powerful catalyst, expanding Bitcoin's narrative beyond a simple store of value and creating new avenues for growth and network activity, further solidifying its market dominance.

Michaël van de Poppe

@CryptoMichNL

Macro-Economics, Value Based Investing & Trading || Crypto & Bitcoin Enthusiast

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