Slide 1: Title Slide: The Science of Security. Slide 2: Introduction: The Global Challenge of Counterfeiting. Slide 3: What Makes Currency Secure? Beyond the Visual. Slide 4: Slide 4: The Chemical Blueprint of Genuine Currency: Substrate. Slide 5: Slide 5: Polymer Substrates: A Modern Alternative. Slide 6: Slide 6: Security Inks: A Palette of Protection. Slide 7: Slide 7: Optically Variable Ink (OVI): Chemistry in Action. Slide 8: Slide 8: UV and IR Inks: Invisible Guardians. Slide 9: Slide 9: Security Threads: Woven with Chemistry. Slide 10: Slide 10: Watermarks: Chemical Pulp Manipulation. Slide 11: Slide 11: Holograms and Kinegrams: Diffraction Chemistry. Slide 12: Slide 12: Microprinting: Precision Chemistry for Tiny Details. Slide 13: Slide 13: Chemical Composition of Counterfeit Currency: Shortcuts and Substitutes. Slide 14: Slide 14: Paper vs. Common Paper: A Chemical Comparison. Slide 15: Slide 15: Ink Analysis: Spotting the Fake Palette. Slide 16: Slide 16: Methods for Detecting Counterfeit Currency: A Multi-Layered Approach. Slide 17: Slide 17: Visual Inspection: The First Line of Defense. Slide 18: Slide 18: Tactile Examination: Feeling is Believing. Slide 19: Slide 19: UV Light Detection: Unveiling Invisible Security. Slide 20: Slide 20: Infrared (IR) Detection: Beyond the Visible Spectrum. Slide 21: Slide 21: Magnifying Glass/Microscopy: Unveiling Microprinting. Slide 22: Slide 22: Iodine Pen Test: A Chemical Reaction. Slide 23: Slide 23: Limitations of Iodine Pen Test. Slide 24: Slide 24: Spectroscopic Techniques: Advanced Chemical Profiling. Slide 25: Slide 25: Raman Spectroscopy: Molecular Vibrations as Identification. Slide 26: Slide 26: Infrared (IR) Spectroscopy: Analyzing Molecular Bonds. Slide 27: Slide 27: UV-Vis Spectroscopy: Color and Pigment Identification. Slide 28: Slide 28: X-ray Fluorescence (XRF): Elemental Analysis. Slide 29: Slide 29: Mass Spectrometry: Isotopic and Molecular Precision. Slide 30: Slide 30: Hyperspectral Imaging: Chemical Mapping of Banknotes. Slide 31: Slide 31: Machine-Based Detection Systems: Automation and Efficiency. Slide 32: Slide 32: Mobile Apps and Portable Detectors: Counterfeit Detection in Your Pocket. Slide 33: Slide 33: Forensic Analysis: Deep Dive into Counterfeit Evidence. Slide 34: Slide 34: Case Study 1: Counterfeit Detection using Raman Spectroscopy. Slide 35: Slide 35: Case Study 2: Hyperspectral Imaging for Feature Mapping. Slide 36: Slide 36: The Ongoing Arms Race: Security vs. Counterfeiting. Slide 37: Slide 37: Future Trends in Currency Security. Slide 38: Slide 38: Public Awareness and Education. Slide 39: Slide 39: Conclusion: Chemistry as a Cornerstone of Currency Security. Slide 40: Slide 40: Q&A and Thank You