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A comment on IBM will soon launch a 53-qubit quantum computer. Parent comment

Re:IBM will soon launch a 53-qubit quantum computer by insulanus on Wednesday September 18, 2019 @02:13PM (#21008261)
You can read more about this issue here: https://en.bitcoin.it/wiki/Quantum_computing_and_Bitcoin
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Re:IBM will soon launch a 53-qubit quantum computer by henryw on Wednesday September 18, 2019 @03:48PM (#21009261)
The article says "Attacking Bitcoin keys would require around 1500 qubits". So with 28 of these, Bitcoin is compromised?
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Re:IBM will soon launch a 53-qubit quantum computer by whaddawhat on Wednesday September 18, 2019 @04:27PM (#21009752)
No, you need 1500 coherent qubits, in a single system.
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