IonQ, D-Wave, and Rigetti are turning quantum computing from a lab curiosity to a commercial reality with explosive customer growth and billion-dollar deals.

Wall Street still treats quantum computing as science fiction, but the smartest capital allocators are betting billions that it's the next trillion-dollar frontier. BlackRock , Temasek, and Nvidia ( NVDA -1.64% ) just backed PsiQuantum's $1 billion funding round at a $7 billion valuation. When Nvidia starts writing checks to quantum start-ups, it's not just capital. It's ecosystem validation.

The disconnect between public market skepticism and private market euphoria creates opportunity. Governments are treating quantum supremacy as a national security imperative, terrified of losing encryption superiority when "Q-Day" a

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