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Quantum Computing Modalities
Quantum Computing Modalities: Topological Quantum Computing
Topological quantum computing promises hardware-level error protection that could eliminate most QEC overhead. But Majorana 1 hasn't demonstrated a topological qubit, the physics community is skeptical, and Microsoft is hedging with neutral atoms. Here's where the approach actually stands.
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Quantum Computing Modalities
Quantum Computing Modalities: Adiabatic QC (AQC)
Adiabatic Quantum Computing (AQC) is a universal paradigm of quantum computing based on the adiabatic theorem of quantum mechanics. It generalizes the idea of quantum annealing beyond just optimization. In AQC, one encodes the solution of an arbitrary computation in…
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Post-Quantum, PQC, Quantum Security
Cryptographic Stack in Modern Interbank Payment Systems
International interbank payments rely on multiple layers of classical cryptography to ensure security from end to end. When a user initiates a cross-border transfer at their local bank, cryptographic mechanisms protect the transaction at every stage - from the customer’s…
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Quantum Computing Modalities
Quantum Computing Modalities: Spin Qubits in Other Semiconductors & Defects
In addition to silicon, spin qubits can be realized in other solid-state systems. One well-known example is the nitrogen-vacancy (NV) center in diamond, which is a point defect where a nitrogen atom next to a vacancy in the carbon lattice…
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Quantum Computing Modalities
Quantum Computing Modalities: Silicon-Spin
Silicon spin qubits bring quantum computing onto the same fabrication lines that produce every classical processor on Earth. The first logical operations arrived in 2026. Here's the technology, the vendors, the CMOS thesis, and what it means for the path…
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Post-Quantum, PQC, Quantum Security
Post-Quantum Cryptography (PQC) and Network Connectivity: Challenges and Impacts
PQC brings new dependencies between cryptography and network connectivity. Unlike the relatively small and efficient crypto of the past, post-quantum algorithms force us to consider link capacity, latency, and device limitations as first-class concerns in security design. Some network environments…
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Quantum Computing Modalities
Quantum Computing Modalities: Measurement-Based Quantum Computing (MBQC)
Measurement-Based Quantum Computing (MBQC), also known as the one-way quantum computer, is a paradigm where quantum computation is driven entirely by measurements on an entangled resource state. Instead of applying a sequence of unitary gates to a register of qubits,…
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Quantum Security & PQC
New Coalition Launched to Tackle Post-Quantum Cryptography
The MITRE Corporation has announced the formation of the Post-Quantum Cryptography Coalition, a collaborative effort to address the imminent threats posed by quantum computing to current cryptographic systems. The coalition aims to accelerate the development and adoption of quantum-resistant cryptographic…
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Quantum Computing Modalities
Quantum Computing Modalities: Neutral Atom (Rydberg)
Neutral-atom quantum computers operate at room temperature, scale to thousands of qubits, and hold the record for verified logical qubits. Here's the technology, the vendors, and why this modality is closing the gap on superconducting hardware faster than anyone expected.
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Quantum Computing Modalities
Quantum Computing Modalities: Quantum Annealing (QA)
Quantum annealing (QA) is a special-purpose quantum computing paradigm designed to solve optimization problems by exploiting quantum tunneling and the adiabatic principle. It's a special case of Adiabatic Quantum Computing (AQC). The idea is to encode a problem (typically an…
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Society 5.0
Saudi Arabia Vision 2030: Cybersecurity at the Core of Transformation
Last week, the Saudi Data and Artificial Intelligence Authority (SDAIA) launched a nationwide awareness campaign called “Ask Before”, intended to educate the public about the significance of personal data ahead of the implementation of a new national personal data protection system. Emphasizing…
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AI Security
AI Security 101
Artificial Intelligence (AI) is no longer just a buzzword; it’s an integral part of our daily lives, powering everything from our search for a perfect meme to critical infrastructure. But as Spider-Man’s Uncle Ben wisely said, “With great power comes…
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Leadership
Why We Seriously Need a Chief AI Security Officer (CAISO)
With AI’s breakneck expansion, the distinctions between ‘cybersecurity’ and ‘AI security’ are becoming increasingly pronounced. While both disciplines aim to safeguard digital assets, their focus and the challenges they address diverge in significant ways. Traditional cybersecurity is primarily about defending…
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Quantum Computing Modalities
Quantum Computing Modalities: Quantum Walk QC
Quantum walks are the quantum-mechanical counterparts of classical random walks. In a classical random walk, a "walker" (such as a particle or an agent) moves step by step in a certain space (like a line or a graph) with some…
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AI Security
How to Defend Neural Networks from Trojan Attacks
Neural networks learn from data. They are trained on large datasets to recognize patterns or make decisions. A Trojan attack in a neural network typically involves injecting malicious data into this training dataset. This 'poisoned' data is crafted in such…
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