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Can the U.S. government use the security thread or machine- readable features to track currency or detect it remotely?

April 26, 2017currency detect features government readable security thread track

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Can the U.S. government use the security thread or machine- readable features to track currency or detect it remotely?

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No, the machine features are intended for authentication purposes only; they will not set off metal detectors or similar devices. Individual bills are not traceable to individual users.