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🔐 BB84 Key Sifting Statistics: Measured QBER vs the 25% Intercept-Resend Limit

BB84 quantum key distribution statistics: sifting rate 50 percent and QBER about 25 percent under full intercept-resend, with error bars.

Quantum Physics2DModerate60 FPS📱 Mobile-adapted

⚙ Under the hood

Simulate BB84 photon by photon with an optional intercept-resend eavesdropper and channel noise. Watch the sifted key rate settle at 50 percent and the QBER converge to 25 percent times the attacked fraction, with sample-size error bars.

BB84quantum key distributionQBEReavesdropper detectionsiftingquantum cryptography

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install