Nevertheless, we believe that the above data gives a fairly accurate outlook of future developments. Both Google and IBM work on superconducting qubits. When will quantum computers outperform conventional computers on relevant problems? Google even thinks of building a 1M qubit device by In a study, the researchers suggest that quantum computers would need millions of physical qubits to be a threat to Bitcoin. For more details, review our Privacy Policy. Tesla has agreed a deal with battery parts maker Magnis Energy Technologies to secure supplies of graphite. Dow 30 33, Compared to currently available technology, a relevant quantum computer needs to improve in various regards: Number of qubits Accuracy of elementary operations i. What parameters are relevant?