What is MZM etc.
Compare Majorana MZM systems and non-Abelian topological quantum systems in general with the field-effect transistor (FET). Both are sweet theoretical solutions to the problem of efficient processing of signals and the information they carry. (For FETs, of course, this theoretical solution has turned out, through Moore’s law, to be an astounding practical engineering success as well, leading to the modern information technology universe we live in.)
The kinds of information (classical versus quantum) and the energy scales (eV versus meV) are different, just as the two ideas are temporally separated by more than 50 years, but each proposes a radical solution to an information processing roadblock.
In each case, the roadblock was not absolute but sufficiently daunting to inspire serious and sustained effort. There were pretransistor electronic computers, and it may well be possible to build a pretopological quantum computer through an extraordinary investment in error correction using ordinary non-topological qubits.
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