Vitalik Buterin claims that Google’s Quantum computer is far from perfect and useful in the latest series of tweets the ethereum co-founder posted as we are reading in today’s ETH news.
Buterin commented on the news that Google had achieved quantum supremacy which means that a quantum computer has solved a mathematical calculation that can take any other traditional computer hundreds of years to solve. Buterin shared a different analogy:
“My one-sentence impression of recent quantum supremacy stuff so far is that it is to real quantum computing what hydrogen bombs are to nuclear fusion. Proof that a phenomenon and the capability to extract power from it exist, but still far from directed use toward useful things.”
The Bitcoin supporter and evangelist Andreas Antonopoulos expressed similar sentiments towards Google’s quantum computer at the start of October when he said that the threat to Bitcoin by Google’s quantum supremacy is ‘bupkis nada’:
“What is the effect on mining and the cryptocurrency world in general? Zip, bupkis, nada, nothing really happens. Quantum supremacy – what Google described – is demonstrating the practical applicability of quantum computers to certain classes of problems. Those classes of problems are not the same class of problem we’re talking about when we talk about breaking cryptography.”
If we talk theory, the quantum computers as Vitalik Buterin claims and knows can vastly increase the process of solving complex calculations and therefore are able to pose a serious risk to Bitcoin’s proof of work mechanism as well as to the entire blockchain technology. The quantum calculations will be much more superior to modern cryptography in a way that it could even reverse the cryptocurrency transactions and maybe even gain access to private keys.
Scott Aaronson, the quantum theoretician at the University of Texas at Austin recently claimed that the quantum computing technology of Google could actually turn out to be a huge help in improving the technology which underpins proof-of-stake (pos) cryptocurrencies. He explained:
“A sampling-based quantum supremacy experiment could almost immediately be repurposed to generate bits that can be proven to be random to a skeptical third party (under computational assumptions). This, in turn, has possible applications to proof-of-stake cryptocurrencies and other cryptographic protocols. I’m hopeful that more such applications will be discovered in the near future.”
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