Marin Ivezic

I am the Founder of Applied Quantum (AppliedQuantum.com), a research-driven consulting firm empowering organizations to seize quantum opportunities and proactively defend against quantum threats. A former quantum entrepreneur, I’ve previously served as a Fortune Global 500 CISO, CTO, Big 4 partner, and leader at Accenture and IBM. Throughout my career, I’ve specialized in managing emerging tech risks, building and leading innovation labs focused on quantum security, AI security, and cyber-kinetic risks for global corporations, governments, and defense agencies. I regularly share insights on quantum technologies and emerging-tech cybersecurity at PostQuantum.com. I also founded and teach at Quantum Academy (QuantumAcademy.com) which trains and certifies professionals in post-quantum cryptography, quantum computing, networking and sensing.

Quantum Computing Modalities

Marin IvezicSeptember 8, 2023

Quantum Computing Modalities: Time Crystals’ Potential QC Use

Time crystals are an exotic state of matter that spontaneously breaks time-translation symmetry, meaning the system’s lowest-energy state exhibits periodic motion in time. This is analogous to how ordinary crystals break spatial translation symmetry by arranging atoms in a repeating…
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Society 5.0

Marin IvezicSeptember 7, 2023

Will the Kingdom of Saudi Arabia (KSA) beat Japan to Society 5.0?

Ask most people what they remember from 2016 – if they remember anything at all – and there are usually two big events that float to the front of their minds: Britain voted to leave the European Union and the…
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Quantum Computing Modalities

Marin IvezicSeptember 6, 2023

Quantum Computing Modalities: DNA-Based QIP

DNA-based quantum information processing envisions using DNA – the molecule of life – in roles within a quantum computer. This could mean DNA acting as qubits, facilitating quantum interactions, or serving as a structural scaffold for other qubits. It's an…
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Quantum Computing Modalities

Marin IvezicSeptember 5, 2023

Quantum Computing Modalities: One-Clean-Qubit Model (DQC1)

The One-Clean-Qubit model, also known as Deterministic Quantum Computation with One Qubit (DQC1), is a restricted quantum computing paradigm where only a single qubit starts in a pure (or “clean”) state while all other qubits are in a completely mixed…
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Quantum Computing Modalities

Marin IvezicSeptember 4, 2023

Quantum Computing Modalities: Exotic and Emerging QC

Overview of “exotic and emerging” quantum computing paradigms and discuss why they exist, what common themes link them, how they compare to mainstream quantum computers, and what implications they might hold for the future. We also introduce each paradigm in…
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Quantum Computing Modalities

Marin IvezicSeptember 3, 2023

Quantum Computing Modalities: Photonic Continuous-Variable QC (CVQC)

Photonic continuous-variable quantum computing (CVQC) is an approach to quantum computation that uses quantum states with continuously varying quantities (like the amplitude or phase of an electromagnetic field) instead of discrete two-level systems (qubits).
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Quantum Computing Modalities

Marin IvezicSeptember 1, 2023

Quantum Computing Modalities: Hybrid QC Architectures

Hybrid quantum computing architectures refer to combining different types of quantum systems or integrating quantum subsystems with one another (and often with classical systems) to create a more powerful or versatile computer. This can mean hybridizing physical qubit modalities (e.g.,…
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Quantum Computing Modalities

Marin IvezicSeptember 1, 2023

Quantum Computing Modalities: Quantum Low-Density Parity-Check (LDPC) & Cluster States

Quantum Low-Density Parity-Check (LDPC) codes are a class of quantum error-correcting codes characterized by “sparse” parity-check constraints, analogous to classical LDPC codes. In a Quantum LDPC code (which is typically a stabilizer code), each stabilizer generator (parity-check operator) acts on…
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5G Security

Marin IvezicAugust 30, 2023

Is 5G security being sacrificed at the altar of profit, politics and process?

Homo sapiens is an incredibly adaptable species, arguably the most adaptable ever. But it is also a forgetful one, quick to take things for granted. Many of us can remember when cell phones first emerged, when the internet first became…
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Quantum Computing Modalities

Marin IvezicAugust 24, 2023

Quantum Computing Modalities: Gate-Based / Universal QC

Quantum computing in the gate-based or circuit model is the most widely pursued paradigm for realizing a universal quantum computer. In this model, computations are carried out by applying sequences of quantum logic gates to qubits (quantum bits), analogous to…
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AI Security

Marin IvezicAugust 21, 2023

Model Fragmentation Is Model Sprawl, and Nobody Has the Inventory

A quantised derivative of a model you scanned is a different artefact that you did not scan. Every variant carries its own provenance, its own vulnerabilities and its own blast radius, and the first control is an inventory most organisations…
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Quantum Computing Modalities

Marin IvezicAugust 21, 2023

Quantum Computing Modalities: Quantum Annealing (QA) & Adiabatic QC (AQC)

Quantum annealing (QA) and adiabatic quantum computing (AQC) are closely related paradigms that use gradual quantum evolution to solve problems. In both approaches, a problem is encoded into a landscape of energy states (a quantum Hamiltonian), and the system is…
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Quantum Computing Modalities

Marin IvezicAugust 21, 2023

Quantum Computing Modalities: Quantum Cellular Automata (QCA) in Living Cells

Trapped-ion quantum computing uses individual ions (charged atoms) as qubits. Each ion’s internal quantum state (usually two hyperfine levels of the atom’s electron configuration) serves as |0⟩ and |1⟩. Ions are held in place (suspended in free space) using electromagnetic…
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AI Security

Marin IvezicAugust 16, 2023

Model Evasion: Why Attackers Rarely Need Adversarial ML

Evasion research and evasion practice have been pointing in different directions for years. The attacks work in the lab, the constraint that makes them hard is a defensive asset almost nobody uses, and real attackers mostly do something cheaper.
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Leadership

Marin IvezicAugust 16, 2023

Canada’s Quiet Blockchain Revolution: A Tech Legacy Forged in the North

Canada might not be the first country that comes to mind when you think of blockchain and cryptocurrency. Yet, from community meetups in Toronto pubs to world-leading enterprise deployments, Canadians have played a pivotal role in shaping blockchain’s global story.…
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