Chapter 1
How money got its names
Chapter 2
Beyond paper and metal
Chapter 3
Hidden details and security secrets
Chapter 4
Wild, weird, and record-breaking money
Chapter 5
Currencies that cross borders
YOUR GOAL
Master of Secrets of world money
Ch 3 · Hidden details and security secrets
schopenhauer Canadian Banknote Hologram
Shine the laser, shine the laser, Through the Canadian maple leaf to project the code.
schopenhauer Polymer banknotes feature clear windows containing complex holographic portraits to prevent forgery.
schopenhauer Banknotes contain tiny text that is invisible to the naked eye but stops photocopiers.
BETA
schopenhauer Match coins and bills to discover the names and trivia of world currencies.
Fun Fact
EURion constellation: A secret pattern of five tiny circles on world banknotes automatically disables color photocopiers from copying them.
Glossary
watermark (noun)
A faint design made in paper during manufacture, visible when held against the light. Sweden's Stockholms Banco integrated the word BANCO into its 1666 paper banknotes to prevent counterfeiting.
A faint design made in paper during manufacture, visible when held against the light. Sweden's Stockholms Banco integrated the word BANCO into its 1666 paper banknotes to prevent counterfeiting.
Quiz
What is the term for the extremely tiny text on banknotes that looks like a solid line to the naked eye?
Quiz
What security feature is created by varying paper thickness during manufacturing, visible when held to the light?
Quiz
Under what type of light do modern Euro banknotes reveal glowing green, red, and blue fibers?
Quiz
What is the name of the five-circle pattern on banknotes that prevents color photocopiers from duplicating them?
Quiz
Which country's banknotes feature a tactile system of raised dots to help blind users identify denominations?
Quiz
Which country's 50-dollar note features a transparent window with a holographic image of a native bird?
Quiz
What is the metallic thread woven into banknote paper that can be detected by vending machines?
Quiz
What color-shifting ink, used on US banknotes, changes color depending on the angle of view?