Quantum computing has been on the tech radar for some time now, but it has also been lurking in the background of the blockchain ecosystem for very different reasons. The new advancement of computing allows for complex equations and problems to be solved exponentially quicker than is currently available.
However, it has always been predominantly a futuristic, almost science fiction-like pursuit; for blockchain that has been just fine as well because we have been warned that quantum computation could render existing encryption standards obsolete, threatening the security of every significant blockchain.
This week, news has emerged that Google has made a recent quantum computing breakthrough, achieving quantum supremacy. It is being reported that Google, using a quantum computer, managed to perform a calculation in just over three minutes that would take the world’s most powerful supercomputer 10,000 years.
This could mean panic stations for blockchain as all that has been achieved thus far could be wiped out, and without the right provisions, all the promise and potential could be eliminated overnight.
However, the term quantum supremacy refers to the moment when a quantum computer outperforms the world’s best classical computer in a specific test. This is just the first step, but it is a rather large step that means the spotlight is once again on blockchain to try and resist this kind of technology which can unravel its cryptographic algorithms in minutes.
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