Governments and tech companies continue to pour money into quantum technology in the hopes of building a supercomputer that can work at speeds we can't yet fathom to solve big problems.

For years, the conversation around quantum computing and cryptocurrency has been dominated by a single, breathless question: Will a quantum breakthrough kill Bitcoin? The fear is simple enough.

Quantum computers can compare molecules that are much larger than the ones classical computers can compute, Accenture said on its website. “The big hope is that a quantum computer can simulate any ...