Industry Roadmap
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How major industry leaders plan to scale toward fault tolerance.

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   * - **Surface-Code Architectures**
     - Surface code and surface-like architectures are central to scalable fault
                    tolerance. Heavy-hex-style lattice layouts can reduce unwanted ZZ crosstalk.
   * - **Topological Approaches**
     - Topological approaches use lattice structure, repeated syndrome extraction, and
                    below-threshold operation to scale toward reliable logical qubits.
   * - **Hybrid Hardware Paths**
     - Scalable fault-tolerant architectures can also use hybrid hardware pairings,
                    including semiconductor-superconductor systems designed to reduce overhead.