As of , the field is transitioning from theoretical milestones to engineering prototype validation:
Topological quantum computing: The quest for a quality qubit Topological Quantum Computation and Quantum Com...
: Because the quantum state is protected by an energy gap and topological rules, these qubits are predicted to have exceptionally long coherence times compared to superconducting circuits. As of , the field is transitioning from
: Computations are performed by moving anyons around each other. These paths form "braids" in spacetime; the outcome of the calculation depends only on the sequence of these crossings, not the precise path taken. : Information is stored non-locally
: Information is stored non-locally, meaning local disturbances—like environmental noise or heat—cannot easily flip a qubit's state. This hardware-level protection could theoretically eliminate the massive overhead required for active error correction in other quantum systems.
: Operations are discrete—you either completed a braid or you didn't. This reduces "over-rotation" or "under-rotation" errors common in analog-controlled quantum systems. Status and Outlook (2026)