Bitcoin explained and made simple

Bitcoin is the oldest and most popular cryptocurrency

Bitcoin is a digital cash alternative introduced in 2009 that rapidly grew in popularity and now boasts a global user base. Enthusiasts point to bitcoin’s decentralized nature—meaning it is not created or controlled by any central government—lending it several potential advantages.

A definitive guide to crypto and blockchain

The concept of cryptocurrency emerged more than a decade ago, with a famous whitepaper on bitcoin. To fully understand the rise of bitcoin, Bloomberg’s Matt Levine developed this comprehensive four-part series exploring the broader crypto and blockchain ecosystems, where they came from and how they work (subscription required).

Using cryptocurrency to turn traditional financial arrangements on their head

Cryptocurrency is poised to drastically change everything in the financial world, including financial arrangements. Decentralized finance makes it easier for virtually anyone to take advantage of financial markets without the need for a bank. However, there are new risks involved as well. Professor of Legal Studies and Business Ethics Kevin Werbach, an expert on Bitcoin and blockchains discusses it all in detail in The Conversation.

A visual guide to how bitcoin transactions work and rely on cryptography

The "crypto-" in cryptocurrencies like bitcoin refers to the mathematical functions that generate pairs of public and private keys and encrypt data in blocks. When combined, these systems secure transactions on the network, verify digital asset and token transfers, and contribute to end-user anonymity.

Bitcoin and ethereum are decentralized cryptocurrencies with different functions

Bitcoin, launched in 2009, is primarily a digital currency and store of value with a fixed supply. Ethereum, introduced in 2015, enables smart contracts and decentralized apps, offering more flexibility.

Bitcoin started as a .PDF

Have you ever wondered how bitcoin became, well, bitcoin? In this podcast episode, journalist PJ Vogt dives into what drove the bitcoin hype machine, explaining how it became the phenomenon it is today.

A simple visual explanation of how blockchains work

Blockchains are decentralized, distributed, and digital methods to record transactions and prevent alterations and tampering of the record. That's a simplified definition. This easy-to-understand six-minute video further and better explains what blockchains are and how they work using colorful illustrations and clear, concise clarifications on their processes and what makes them so special.

Cryptocurrencies are forms of digital currency

Cryptocurrency's key feature is decentralization. Unlike traditional money, they generally aren't controlled by a single authority. As of early 2025, cryptocurrencies had a cumulative market cap of almost $3.4T, making them worth more than some of the world's most valuable companies, like Google and Amazon (both valued at roughly $2.3T).

The benefits of cryptocurrency and blockchain technology

At the root of cryptocurrencies' allure is blockchain technology, an innovation bringing profound transformations to industries, especially the financial industry. This simple article breaks down the difference between cryptocurrencies and blockchain as well as the benefits of each.

Cryptocurrency acts as a store of value

Traditional money, dating back to its first known uses in ancient Babylonia, has many uses—it reduces friction in transactions by providing a common denominator of value (unit of account), acts as a single item accepted by many vendors (medium of exchange), and holds wealth as a store of value.

The 10 most important (other) cryptocurrencies

Bitcoin has not only been a trendsetter, ushering in a wave of cryptocurrencies built on a decentralized peer-to-peer network, but has also become the de facto standard for cryptocurrencies. But it's not the only one. Here are some cryptocurrencies that have held on throughout steep price climbs and nosedives.

Learn how stablecoins function in just 4 minutes

This video explains the basics of stablecoins in a beginner-friendly manner. It also dives a bit deeper into the larger stablecoin landscape, detailing, for instance, the many stablecoins backed by fiat currency other than the US dollar, like the euro, the Turkish lira, and the Singapore dollar.

Princeton University offers a free online bitcoin course

Want to understand bitcoin and cryptocurrencies? A free online course from Princeton University unpacks the details of bitcoin, from how it works to what distinguishes it from other currencies, to the security and anonymity associated with its use. Explore explainer videos, or take the course as a series of lessons.

Crypto's origins date back to 1983

While crypto feels new, it actually dates to 1983, with eCash's creation. However, a lot has happened in the crypto world over the past few years in particular—crypto's market cap surpassed $2T for the first time in 2021, for instance. A timeline of crypto's history details the events in between.

The future of the internet

Blockchain? Crypto? NFTs? Oh my. Gilles DC provides a simple breakdown of what Web3 is, what it involves, its connection with web currencies, and how you can begin your own explorations of this brave new world. Gilles promises to describe Web3 in one take, explain how the reader can take advantage of it, and how blockchain might build a better society as a result.

Crypto exchanges are online platforms to buy, sell, and exchange cryptocurrencies

Crypto exchanges have grown alongside and fueled the boom in digital currencies. Popular exchanges like Coinbase, Kraken, and Binance each have separate features, fee structures, and more. You can learn how to begin with the platforms, how to carry out research, and when to be aware of the associated risks.

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.

Vitalik Buterin explains ethereum in 30 minutes

Every year, ethereum creator Vitalik Buterin explains what his crypto platform is in a 30-minute presentation at the Ethereum Foundation’s event, Devcon. Buterin’s explanation goes deeper than a simple 101 explanation. To learn more about the current state of ethereum, what’s changed recently, and what Buterin expects down the road, watch this video.

Check the real-time price of bitcoin

Bitcoin has gone through several boom and bust cycles. Those peaks and valleys sit on top of a steadily rising value, growing as the currency gains wider adoption. As of 2024, bitcoin’s total market value was over $1.3T, with more than 19.6 million coins in circulation. Still, the value fluctuates.

In 2008, Satoshi Nakamoto began working on the underlying bitcoin code and blockchain

Widely credited as inventing the currency, Nakamoto abruptly disappeared from the digital world—no one has confirmed his identity, or whether he was even a single individual.

Visualizing the history of money

Money is any medium of exchange used in payments for goods or services and can take many forms. From cattle and shells in ancient times to paper and blockchain today, money has taken many shapes and sizes. This infographic illustrates some of the major forms of exchange world cultures have used over the last 5,000 years.

Cryptocurrency wallets for beginners

Cryptocurrency wallets come in many types. Here, we present the details, comparing the wallets’ features so that you can choose the best crypto wallet for your needs.

Crypto ETFs are driving cryptocurrency adoption

In 2024, the SEC approved ETFs that track the price of bitcoin called spot bitcoin ETFs. These funds have since significantly increased investment inflows into cryptocurrency markets.

Inflation explained in under 3 minutes

Keep seeing inflation in the news, but don't have a great grasp on what it means or how it works? This overview from 1440 breaks down how economists think about inflation, what it means for the average consumer, and how governments attempt to keep rising prices in check through various policies.

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

British economist John Maynard Keynes originally proposed a global currency called the bancor

Keynes—one of the chief architects of the Bretton Woods system—proposed establishing a global central bank that would issue a new international currency, the bancor, to settle trade imbalances. The idea was rejected in favor of the US dollar serving as the main currency of the international system.

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.

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

Watch this video that uses Lego bricks to explain how venture capital works.

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

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

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

Watch how algorithms can be designed to train themselves and self-improve without human input, to the point where the optimized code is too complex for programmers to understand.

While atoms are normally made of protons, neutrons, and electrons, exotic ones have been built with antimatter—alternate versions of normal matter that live for fractions of a second and are about a billion times as rare.

According to the physics of black holes, our 4D reality may be a hologram—a projection of information coded on a 2D surface on the edge of the universe.

After the Boston Tea Party, colonists switched to coffee, which became the main morning drink for revolutionaries.

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

Discover the catastrophic consequences of a failure of the US electrical grid—something that is more likely than many Americans think.

Chaos theory—informally known as the butterfly effect—is the reason why weather forecasts are presented with probabilities rather than certainties.

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

The Mona Lisa's celebrity status and repeated restorations have obscured what made the painting so revolutionary for its time

Read a deep dive on the 'all-purpose healing' peptide BPC-157.

Watch how viruses like Ebola can spill over from animals to humans—and vice-versa.

Explore the known asteroids, comets, and spacecraft involved in asteroid studies within our solar system with 'Eyes on Asteroids,' a 3D visualization from NASA.

Watch contemporary footage covering the US-backed Shah of Iran fleeing the country in the face of the 1979 Iranian Revolution

The first steps to rebuilding your credit score include getting to know exactly what's on your credit report and figuring out how far you are from the '700 club,' or 'good score' range.

SpongeBob exemplifies Aristotle's philosophy for living well because he understands that happiness doesn't come from external factors like money, recognition, or power.

See a 3D reconstruction of Tenochtitlan, the Aztec capital that was home to an estimated population of 200,000 to 400,000.

In 2009, the nation was gripped by the story of a missing young boy who was believed to be floating over Colorado in a homemade balloon, until it was revealed that he was at home the whole time.