Google’s John Martinis Believes Quantum Computing Threat to Be Long Way Off – Bitcoin News (press release)

At a recent crypto event, Googles John Martinis addressed the hypothetical threats posed by quantum computing, stating that we are still many years from being able to realize quantum computers. Concerns regarding the threat quantum computing may pose to RSA encryption has been increasingly discussed within the cryptocurrency community in recent years.

Also Read:Antonopoulos Details Bitcoins Two Layers of Protection Against Quantum Computing

Googles John Martinis recently rejected the notion that quantum computing may pose a direct threat to cryptocurrency in the near future. Speaking at the University of California Santa Barbara as part of the Crypto 2017 event, Martinis says he believes it will take at least a decade until quantum computing may be realized, stating that building such is really, really hard, way harder than building a classical computer.

The perceived threat posed by quantum computing is that it may be able to break RSA encryption and digital signatures. That would mean you could forge transactions, and steal coins, stated Bernardo David, a cryptography expert from the Tokyo Institute of Technology. Martin Tomlinson, a professor in the Security, Communications and Networking Research Centre at Plymouth University, articulated the hypothetical threat that quantum computing may pose to bitcoin in a 2016 interview with MSN. If you have a quantum computer then youre able to just basically calculate the private key from the public key it would take just a minute or two. So by learning all the private keys using a quantum computer, youd have access to all the bitcoin thats available.

In refuting the threat, Martinis has pointed to an instability of quantum bits (qubits) which are the counterpart to bits in classical computing. Martinis describes qubits as resembling a three-dimensional version of bits, which rather than representing a strict, binary 1 or 0 (as is the case with bits), qubits can simultaneously represent both values in a dynamic array of superpositions. As such, Martinis argues that popular perception that competing quantum computing research labs are engaging in a race to produce the most qubits is inaccurate, stating that of equal importance is a labs ability to reduce the number of qubit errors that are generated.

Despite the distant nature of the hypothetical threat posed by quantum computing, many cryptocurrency developers are actively seeking to address such. QRL, or Quantum Resistant Ledger, is an altcoin that was developed with evading quantum computing as its principal stated utility. The Russian Quantum Centre has also stated its intention to expand its research in quantum proof blockchain solutions. These endeavors indicate the cryptocurrency community is taking the perceived threat seriously, well before quantum computing has become a reality.

Do you think that quantum computing poses a threat to bitcoin and cryptocurrency? Or do you think that developers will have the capacity to evade quantum computings threat by the time such has been realized? Share your thoughts in the comments section below!

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Google's John Martinis Believes Quantum Computing Threat to Be Long Way Off - Bitcoin News (press release)

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