Quantum Computing Scaling Hits 1 Million Goal
The race to reach 1 million qubits over the next five years will enable industrial scaling and force new encryption standards.
Updated on Oct. 25, 2026 in Quantum Computing
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Current top-tier quantum systems operate with 500 to 6,000 qubits, but industry-scale applications require reaching the 1 million qubit threshold. Global firms are racing to reach this milestone within five years to address computational bottlenecks in AI and financial systems.
Why it matters
Quantum systems leverage superposition and entanglement to solve optimization and big data problems that currently bottleneck traditional computing. This shift threatens existing prime factorization-based encryption, necessitating a transition to quantum-resistant standards.
Quantum chips currently require operating temperatures near -273°C and hardware costs ranging from 10 billion to 100 billion KRW per device. While a supercomputer would take 1 million years to crack standard prime factorization-based encryption, theoretical models suggest a million-qubit system could finish the task in 4 to 5 days.
The players
Professor Chae
Academic expert and researcher specializing in the development and societal impact of quantum computing.
The details
Quantum computers utilize qubits—units of information that exist in superposition—to perform simultaneous calculations. To ensure reliability, these systems use quantum error correction to sample and self-correct computation errors. Because these machines can analyze thousands of scenarios at once, they offer significant speed improvements over classical supercomputing architectures in optimization tasks.
Timeline
1940s: Early room-sized computers were developed.
October 26, 2026: Professor Chae analyzed quantum computing trends.
Within five years: Industry targets for 1 million qubits and encryption updates.
The Tech Race
The current development cycle mirrors the scale-up challenges observed since the 1940s transition to room-sized computers. Scaling to 1 million qubits is now the primary objective for firms competing to move quantum technology from niche experimentation to widespread industrial utility.
Financial institutions are expected to roll out quantum-resistant encryption protocols within the next five years. While current Bitcoin blockchain technology remains resistant to quantum decryption, users should watch for institutional software updates as new cryptographic standards emerge.
The takeaway
Quantum systems will transform high-speed data optimization, though they pose a significant threat to current encryption methods. Monitor the five-year roadmap for the transition to quantum-resistant cryptographic standards to ensure data security remains robust.
Further reading
Explore the ongoing shift in encryption standards and hardware scaling in the Quantum Computing section.
Source note: This article includes information reported by 조선일보.
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