How US currency is issued

While the Fed is involved in issuing new generations of cash, the way it adds to the money supply does not involve printers

The majority of money in circulation is credit, not cash. This credit, which acts similarly to direct deposit from employers, is added to bank accounts by the Federal Reserve. The Fed also employs tools like the federal funds rate and open market operations to expand or contract credit.

The US Currency Education Program created a guide to authenticating currency

This video was created to teach everyday people a few easy ways to spot some counterfeit banknotes. Specifically, it outlines the main security features to check for that are common across many US banknotes, such as the color-shifting ink visible when tiling US banknotes $10 or higher.

The US has used a wide variety of different currencies between the 1690s and today

From colonial money to national banknotes, people have used all kinds of forms of currency throughout the history of the United States before settling on the dollar bills and quarters that we pay for things with today.

The Federal Reserve tracks how much US currency is circulated around the world every year

It's estimated that about half of US currency is circulated outside of the US. In 2023, there were 54.6B US notes circulated, with 18.9B of those being $100 bills. This chart shows how many US notes have circulated since 1997.

In 1792, Congress established the first national mint to produce all the coins in the US

At the same time, the US also started producing the dollar, its first official currency. The US Mint has since issued coins throughout the country.

During the Civil War, the US government printed paper money for the first time

Those original paper bills were called “greenbacks” or “demand notes.” Since then, paper money has evolved with different designs, names, and values. Today, it is solely issued by the Bureau of Engraving & Printing.

The US dollar is the official currency of the United States and is the most circulated currency around the world

The US dollar was established in 1792 and comes in the form of coins or paper money. It's considered one of (if not the most) stable currencies in the world due to America’s strong and robust economy, as well as its relatively stable government.

Dive into the fascinating journey of a Federal Reserve note

Ever wondered how long an individual dollar bill lasts? After cash is designed and produced, money circulates in the economy, with $100 bills staying in use for the longest on average—roughly 15 years—and the $10 lasting just less than five.

The US Mint created a video to show kids how coins are made

The video, made simple for children (or anyone who wants an easy-to-understand 101 video about the process coins go through to get in your wallet), outlines the entire process that a coin goes through in its lifetime, from Congress voting on new coins, to how coins are stamped, to their journey to a Reserve Bank.

The US developed a coin circulation problem in 2020

As people reduced the frequency with which they paid for things in cash and change during the COVID-19 pandemic, opting for tap-to-pay systems or online shopping instead, the number of coins in circulation decreased. Those who did make cash purchases were more likely to keep their change at home rather than use it on a subsequent purchase.

The United States had a washing machine that cleaned dirty dollar bills

In the early 1900s, the US Treasury Department had a machine that washed and ironed old, soiled paper bills. The machine helped the Treasury save money by decreasing printing costs for new dollar bills, but had nothing to do with the modern understanding of money laundering.

The US dollar is the most widely circulated currency in the world, and is involved in nearly 90% of global transactions

The Federal Reserve is the central bank of the US

No institution wields more power in US finance than the Federal Reserve—but opinion polls indicate that most Americans don't know what it does. Curious about the country's central bank? 1440's got your breakdown of how the Federal Reserve works.

Every printed bill has its own unique serial number

In the US, each bill also has its own plate number, series year, Treasury seal, and more. Each design helps track money and combat counterfeiting.

Each design detail on the US $1 bill has significance

The eye in the triangle floating above the pyramid, for instance, is “the Eye of Providence watching over and ensuring the endurance of the structure of the American government.” This article details every design choice’s significance on the dollar—and a few conspiracies around these choices as well.

The Secret Service was originally formed to combat counterfeiting

By the 1860s, an estimated one-third of US currency in circulation was counterfeit. In 1865, the Secret Service was created specifically to combat the country's serious counterfeiting problem, which had led to widespread financial instability. This was partly due to the lack of federal currency standardization in the country at the time.

Some coin denominations have ridges on their sides in part to prevent counterfeiting

You may have noticed that dimes and quarters feature small ridges on their sides that other coins, like pennies and nickels, don't have. This video can help you learn more about why the practice, called "reeding," was first started—and why it's still used today.

Early Americans hated the idea of a central bank

After a series of economic panics induced by a lack of reserve cash at regional banks, the architects of today’s Federal Reserve opted to emphasize the goal of the bank as a reserve at the federal level—thus creating the lasting name.

Stablecoins like USDC are backed by real assets including US Treasurys and cash

While Tether (USDT) is primarily backed by US Treasury bills (64.9%), USDC is mostly backed by US Treasury repurchase agreements (49.6%). USDC also goes by the name Circle, given that it is owned by the company Circle Internet Financial.

The federal deficit is the gap between what the US spends and what it collects

This US Treasury page explains how the federal deficit occurs when annual spending exceeds revenue, shows the current fiscal-year shortfall, and tracks how deficits rise and fall with economic conditions and policy choices.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

US inflation can generally be split into to two periods—before and after the Federal Reserve

A central bank itself does not mean significant inflation will occur, but economists generally point to factors like two world wars and the printing of money to finance the US federal deficit as primary drivers of price increases.

Learn how the US tax code works and why it's important

First published in 1926, the US Code is the official codification of federal statutes in the US. Title 26 of the US Code, for instance, lists all of the federal tax laws of the United States. A new edition is published every six years.

See how the executive branch of the US government works

The executive branch enforces federal laws and is led by the president, who serves as head of state, commander in chief, and chief diplomat. Supported by the vice president, Cabinet, and around 4 million federal employees, it carries out laws through 15 departments and dozens of agencies.

The mysterious Fort Knox houses much of America’s gold reserves

This fortified vault, built in 1936, is part of the US Mint, but it doesn’t create any currency. Only a presidential order can open Fort Knox—there has not been an audit of its contents since 1953.

The US Government sells two types of savings bonds: EE bonds and I bonds

EE bonds have fixed interest rates that the buyer is informed of when they purchase the bond. I bonds, however, earn a rate that can change every six months. A comparative chart details the most significant differences between EE bonds and I bonds.

The idea for the Federal Reserve was conceived in secret in 1910—with bankers donning duck hunt gear for disguise while traveling to a remote country club on Georgia's Jekyll Island

US consumers collectively owe more than $1T to credit card companies—almost as much as they owe in auto loans.

The GENIUS Act passed in the US in 2025 was a major milestone for stablecoin regulation

GENIUS stands for the "Guiding and Establishing National Innovation for US Stablecoins." The GENIUS Act defines payment stablecoins as digital money rather than investments and was the first significant piece of stablecoin legislation in the United States.

The United States is one of only around two dozen countries with a fully federal system of government, in which power is divided between national and state governments.

The USPS spent $3.97B in 2024, accounting for .058% of the federal budget.

Calculate how much of your tax dollars go to each federal program based on your income, filing status, and number of children

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

The American Society of Civil Engineers' infrastructure report card gave the US a C in 2025, its highest grade since the project launched in 1998.

Mark Twain spent decades feuding with the US Postal Service, convinced its costs and regulations were bureaucratic overreach.

The United States has had a tumultuous relationship with Cuba since its 1959 revolution, highlighted by a nuclear crisis and a decades-long trade embargo.

Memecoins are a type of cryptocurrency—a form of digital currency with a wide variety of uses—created around popular 'memes,' or viral internet jokes.

The original copy of the Declaration of Independence is not a pristine document, and even features a smudged anonymous handprint in the bottom left corner.

See how fireworks are made and learn how metals like magnesium and copper are responsible for different colors.

Before the current East Wing ballroom project, only two White House renovations in the past 100 years cost more than $10M.

An initial public offering or 'IPO' is the process of a private company becoming public by putting shares of the company on the stock market for purchase.

The Beatles' US label rejected the band's first two singles, 'Please Please Me' and 'From Me to You,' with one executive calling the band 'dead in the water.'

Art theft is the third-largest source of criminal revenues worldwide, thanks in part to the subjective nature of valuing a work of art.

A century of Billboard issues documenting the evolution of popular music.

Brandi Chastain, the star of the 1999 US victory over China in the 1999 Women's World Cup, was a last-second choice to take the penalty kick that sealed the victory.

Experimental hantavirus vaccines and therapies, still under development, have long been funded by the US military.

How Amazon operates a 'flywheel' business model, a self-reinforcing cycle that drives continuous growth

Objects can be 3D printed with light by projecting 2D computerized tomography (CT) scans onto rotating cylinders of resin, which solidify upon exposure.

Bone marrow (soft tissue found inside certain bones) generates roughly 500 billion new blood cells each day

The American cockroach is actually from Africa, an apparent hitchhiker aboard ships carrying enslaved people, with evidence suggesting the bug may have arrived in the New World as early as the 1600s.