Modalities
Topological
Organisations tagged topological. Majorana claims stay contested where the record says so. 1 records use this tag. A company can carry more than one.
Redmond, WA, United States
Contested claim Majorana 1 chip (Feb 2025) — not an independently verified logical-qubit demo
Azure Quantum resells IonQ, Quantinuum, Atom Computing, and others. Topological work was consolidated in the US after the Sydney closure in 2024. Majorana 1 was announced in February 2025; the brief says the claim is contested and is not yet a verified logical-qubit demonstration.