In 2025, the global quantum security sector saw a total of $102 million in publicly disclosed funding across 1l financing deals. Historical data shows that following a peak of $800 million in 2021, annual funding has trended downward for three consecutive years—dropping to $137 million in 2024, with 2025 experiencing a further mild correction. This curve clearly illustrates confidence; rather, it represents a periodic adjustment in capital allocation
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