Why is advanced chip manufacturing so fragile?
The single biggest vulnerability is that over 90% of the world's most advanced semiconductors (those below 7 nanometers) are manufactured in Taiwan, primarily by TSMC. This geographic concentration means a natural disaster, geopolitical conflict, or even a prolonged power outage in that region can halt global production of cutting-edge chips. A 2023 OECD working paper maps these cross-country dependencies and warns that semiconductor shortages can ripple through the entire economy, severely impacting industries like automotive and electronics [8]. The 2024 review by Xiong et al. confirms that geopolitical tensions and public health events have exposed how fragile this concentration is, prompting calls for decentralized networks and regional redundancy [1].
The problem is not just about Taiwan. A 2023 network analysis by Beaumier and Cartwright breaks the supply chain into four interconnected networks: design, raw materials, manufacturing equipment, and assembled chips. They find that the US dominates the design network (through companies like Cadence and Synopsys), while Taiwan and South Korea dominate manufacturing. This creates a situation where the US can weaponize its design monopoly to restrict access to chip design tools, effectively blocking a country from making chips even if it has fabs [2]. So the fragility is twofold: physical concentration in manufacturing and virtual concentration in design software.
What about raw materials and equipment?
Raw materials and specialized manufacturing equipment are another critical weak point. The 2024 study on electric vehicle supply chains identifies raw material scarcity as a key risk factor, alongside trade restrictions and manufacturing bottlenecks [7]. For example, high-purity silicon, rare earth elements, and specialty gases are sourced from a limited number of countries, making the supply chain vulnerable to export controls or mining disruptions. The OECD paper notes that these dependencies are often hidden because input-output tables traditionally lump semiconductors into a broader 'computer and electronics' category, obscuring the true fragility [8].
Manufacturing equipment is even more concentrated. The network analysis by Beaumier and Cartwright highlights that the equipment network is dominated by a handful of companies (e.g., ASML from the Netherlands for lithography, Applied Materials from the US). This means that even if a country has raw materials and a fab, it cannot produce advanced chips without access to these specialized machines [2]. The 2024 analysis of China's semiconductor supply chain underscores this: US export restrictions on equipment and design software have severely hampered China's ability to advance its domestic chip industry, forcing a strategic pivot toward indigenous innovation [6].
How do counterfeiting and lack of trust add fragility?
Beyond physical and geopolitical risks, the complexity of the global supply chain introduces vulnerabilities from counterfeiting, unauthorized modifications, and malicious hardware insertions. A 2025 paper on FPGA security notes that these risks are especially acute for mission-critical applications like defense and telecommunications [3]. The paper proposes using blockchain and physical unclonable functions (PUFs) to create tamper-proof records of each chip's journey, but this is a proposed solution, not yet widely adopted. A 2023 study on blockchain adoption in the semiconductor supply chain found that while executives recognize the benefits of blockchain for traceability and reducing the bullwhip effect (where small demand fluctuations cause large upstream swings), they were unsure if the technology was ready for their supply chains [5]. This gap between the ideal and the typical practice means that counterfeiting remains a real, if less visible, fragility.
The 2025 digital twin paper offers another angle: by simulating extreme disruptions (like a factory fire or trade embargo), companies can preemptively identify vulnerable nodes and test mitigation strategies [4]. However, this approach is still emerging and not standard practice. The 2023 stress-testing framework using discrete event simulation shows that risk countermeasures can significantly improve resilience curves, but again, this is a tool for analysis, not a widespread industry practice [9]. So while the academic literature offers promising solutions, the typical supply chain today remains exposed to these trust and traceability issues.
About These Sources
This answer is built on 9 peer-reviewed studies — published from 2023 to 2025, 5 from 2024 or later, 2 in Q1 journals, collectively cited 131 times — selected as the most relevant from 9 studies that passed quality screening, drawn from 45 papers retrieved from a database of over 500 million.
Sources used in this answer
Semiconductor supply chain resilience and disruption: insights, mitigation, and future directions
This 2024 review synthesizes research on semiconductor supply chain disruptions, emphasizing geopolitical and public health shocks, and calls for decentralized networks and redundancy to improve resilience.
Cross-Network Weaponization in the Semiconductor Supply Chain
This 2023 network analysis maps the semiconductor supply chain into four networks (design, raw material, manufacturing equipment, assembled chips) and shows how US centrality in design enables weaponization of chokepoints in the trade of assembled chips.
Enhancing Security of Semiconductor Supply Chain Using Blockchain and Smart Contracts
This 2025 paper proposes a security framework combining Zero Trust Architecture, blockchain, and Physical Unclonable Functions to counter counterfeiting and unauthorized modifications in FPGA supply chains.
Digital Twin-Based Resilience and Risk Mitigation Strategy for Semiconductor Supply Chains
This 2025 paper introduces a hybrid resilience framework using digital twins, geopolitical risk mitigation, and decentralized networks to model extreme disruptions and enhance supply chain robustness.
Disruption mitigation in the semiconductors supply chain by using public blockchains
This 2023 study proposes a public blockchain framework to mitigate the bullwhip effect in semiconductor supply chains; a survey of four executives found they recognized benefits but doubted readiness for adoption.
Vulnerabilities And Resilience In China’s Semiconductor Supply Chain: A Comprehensive Analysis
This 2024 analysis of China's semiconductor supply chain identifies vulnerabilities from US export restrictions and argues for indigenous innovation, stakeholder collaboration, and diversified sourcing.
Evaluation of Semiconductor Risk Mitigation Strategies in the Electric Vehicle Supply Chain
This 2024 study evaluates risk mitigation strategies for semiconductor supply chains in electric vehicles, identifying key risks like manufacturing concentration, raw material scarcity, and trade restrictions.
Vulnerabilities in the semiconductor supply chain
This 2023 OECD working paper uses new input-output data to map cross-country dependencies in the semiconductor value chain and discusses policy options to reduce economic consequences of shocks.
Stress Testing for Resilience of Semiconductor Supply Chains
This 2023 paper introduces a stress-testing framework using discrete event simulation to assess the impact of risk scenarios on semiconductor supply chain resilience, comparing curves with and without countermeasures.