Experts believe it could take years or even decades for commercially viable quantum computers to be useful at scale. But that isn’t stopping early movers from trying their luck at the opportunity, despite the high risk of failure for those that attempt to pioneer new technologies.

D-Wave Quantum (QBTS +2.83%) is one of the ambitious pure plays in the space. And its rapidly growing business suggests it has already developed something that customers may be willing to pay for. But can its current efforts justify the sky-high valuation of its shares? 

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What exactly is quantum computing?

Quantum computing is a technology that many of us have heard about, but that few truly understand. At its core, it aims to…