Helping bridge the divide between quantum and classical computing


Helsinki, Finland



Invested in:



Petar Korponaić


quantum computing, software

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In the recent weeks there has been a clash of titans. Google and IBM have both for many years been on a race to achieve quantum supremacy - to which Google has now claimed to have reached. And this topic of quantum computing has interested many, such as the CEO and Founder of Quantastica, Petar Korponaić. He became familiarised with subject of quantum computing five years after stumbling upon it it haphazardly. 

“Five years ago I read about quantum computers somewhere on the internet, and I was curious about what it was all about; “what is a quantum computer?” I thought. So I started learning and I was excited about this new technology. It was very interesting and very challenging. So I started learning, and not only learning, I started coding. So I made a quantum computer simulator, and  in the beginning, it was written in JavaScript.”

Petar’s interests in programming could be traced back to his childhood; starting 31 years ago. With this amount of experience, it is easily understandable that at some point you start to think about what your next steps are. And the next step for Petar was quantum computing - a new wave of computing that unlike anything we’ve seen before. Petar, and many others like him, believe that the future will be molded by the computing powers of these quantum computers. 

“Every field of science today is limited with computing power. So in order to move forward, we need something better than classical digital computers to make new materials, drugs for deadly diseases and more secure communications. We simply have encountered a barrier; a wall in front of us; which is computing power.

The technology - as it stands today -  is still experimental. Google’s recent claims to quantum supremacy has raised questions on when will be seeing a substantial increase in computing power. Information security assumes that computers are limited in computing power, but quantum computers break these limits. Simulations being run by classical computers, like the ones Google are using, are paving the way in which we will understand computers today.

Quantastica has developed "Quantum Programming Studio", visual development environment for quantum computing that outputs code for multiple brands of quantum computers. In addition, Petar has developed two quantum circuit simulators: one open source and another named "Qubit Toaster" which he claims is the fastest simulator in the world. Along with this open source simulator, Petar is building an open-source community, code-base, and collaboration platform, akin to GitHub, which will have value as the technology spreads and workforce is needed. 

Rigetti Computing, one of the first companies who produced functional quantum computer from Berkeley, California, USA, recognized Quantum Programming Studio as an important addition to their QCS (Quantum Cloud Services), and Quantastica became a member of QCS Developer Partnership program.

“Before I had a company or startup, I was doing this for fun. But, I quickly realized this is going to be more than a hobby, and I opened a company online in Estonia. Quickly after that, Rigetti Computing offered me to become developer partner because I had some interesting additions for their products. Quantastica is now listed in Rigetti’s website in the community section as one of the partners and Quantum Programming Studio is Rigetti Developer Partner application.“

The market size for quantum computing has been estimated at $0.6bn in 2017 growing to $5bn by 2025. Quantum computing is poised for immense impact on current digital infrastructure. Information security assumes that computers are limited in computing power, but quantum computers break these limits. This forces banks, military, and information security industries to stay on the forefront with quantum computing methods. In addition, an increasing number of fields rely on machine learning and optimization. These, in turn, rely on computing power. Here, quantum computing can give exponential gains in speed and cost savings for a range of fields from logistical route planning and financial models to R&D on pharmaceuticals.