Learn to authenticate your money

Explore the security features of U.S. currency
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Customer handing an older design $100 bill to cashier at the cash register.
Spanish Training Webinars
The CEP will be hosting professional cash handler webinars in Spanish this April.
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Celebrating Women’s History Month
Learn about women’s impact in the history of U.S. currency.
Customer hands cashier three different designs of $100, all are legal tender, regardless of when they were issued.
Older Designs Can Still Be Used
All designs of U.S. currency remain legal tender, regardless of when they were issued.

Did you know?

It would take 4,000 double folds, forwards and backwards to tear a banknote.
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Multimedia Library

See the full library
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Does the Fed Print Money?

Did you know?

Want to measure your notes in a different way? A stack of currency one mile high would contain more than 14.5 million banknotes.
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Recent Updates
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Take a closer look at our newest content.
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Order Materials
Order resources about U.S. currency to support training, education, and consumer protection initiatives – all materials and shipping are free.
Carnival Thrills and Dollar Bills book characters learn about currency.
Carnival Thrills & Dollar Bills
Bring the carnival to the classroom with this illustrated book about currency!
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Cash Codebreakers
Middle schoolers will solve algebra problems and learn about security features to escape the money museum!

Did you know?

No matter the denomination, a banknote weights approximately 1 gram. Because there are 454 grams in one pound, this means there are 454 notes in one pound of currency.
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Media

Green money

Green Money Podcast

Listen in on conversations about the history, use, and designs of Federal Reserve notes.

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Our Apps

Money Adventure

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Money Adventure is a fun, interactive smartphone and tablet app that helps students learn about the security and design features of Federal Reserve notes.

Cash Assist

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With Cash Assist's suite of tools, you can learn to quickly locate and understand the security features of the cash in your hands. Use your phone's camera, accelerometer, and more to help you make decisions.

Report a Counterfeit

Learn about the recent changes to the counterfeit reporting process.

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