Red and blue fibers have been a longtime ingredient of U.S. currency paper. Special features like these fibers are embedded in currency paper to ensure that reproduction is difficult. While some ...

The United States is set to introduce advanced security features in its dollar bills ... These bills are printed on a special cotton and linen paper produced exclusively by Crane Currency, which ...

How are dollar bills made to last long? Dollar bills are made from a special blend of paper and ink that makes them durable.