Learn Bitcoin: What It Is, How It Works & Why It Matters
This page contains about 30 minutes of the very best Bitcoin educational content on the internet today.
What is Bitcoin?
Start with the fundamentals. Here's a clear explanation of what Bitcoin actually is and how it works. [3 min]
Attribution: iShares, by BlackRock
What is Bitcoin, exactly?
Bitcoin is a decentralized digital currency — the first of its kind — created in 2009 by an anonymous person or group known as Satoshi Nakamoto. Unlike dollars, euros, or any traditional currency, no government, central bank, or company controls Bitcoin. It runs on a global network of computers that collectively verify and record every transaction in a public ledger called the blockchain. Anyone can view every transaction ever made, but no single entity can alter or erase them. Bitcoin has a fixed, predetermined supply of 21 million coins — a cap that is enforced mathematically and can never be changed. New bitcoins are created through a process called "mining," where computers compete to solve complex math problems, and the winner earns freshly issued bitcoin as a reward. This process simultaneously creates new coins and secures the entire network against fraud and manipulation.
What is Bitcoin (Part 2)?
Building on the fundamentals, here's a fun cartoon explanation that makes Bitcoin concepts even clearer and more engaging. [3 min]
Attribution: Tuttle Twins
How does Bitcoin actually work?
When you send Bitcoin to someone, you broadcast a message to the entire Bitcoin network announcing the transfer. Thousands of computers — called nodes — independently verify that you actually own the bitcoin you're trying to send and that you haven't already spent it elsewhere. Once verified, your transaction is grouped with other recent transactions into a "block." Miners then compete to attach that block to the chain of all previous blocks — the blockchain — by solving a computationally expensive puzzle. The first miner to solve it earns bitcoin and gets to add the block permanently. Because every block references the one before it, altering any past transaction would require recomputing every subsequent block faster than the rest of the entire network combined — a practical impossibility. This design makes Bitcoin's transaction history tamper-proof without requiring anyone to trust a central authority.
Why Does Bitcoin Have Value?
Now that you have an idea what Bitcoin is, let's explore what gives Bitcoin its value and why more people are adopting it everyday. [3 min]
Attribution: River Financial
Why does Bitcoin have value?
Bitcoin has value for the same fundamental reasons that gold has value: it is scarce, durable, portable, divisible, and resistant to counterfeiting. Unlike gold, however, Bitcoin's scarcity is mathematically guaranteed — there will never be more than 21 million bitcoin, full stop. No government, CEO, or programmer can change that rule. Each bitcoin is divisible into 100 million smaller units called satoshis, so you don't need to buy a whole coin to participate. Bitcoin is also the most portable store of value ever invented: you can carry any amount across any border, in your head if necessary, without anyone's permission. Its value ultimately comes from the combination of absolute scarcity, a secure and decentralized network that 16 years of attacks have never compromised, and a growing global community of people who recognize it as the world's most sound form of money.
Why Bitcoin Matters
Continue your journey with this insightful overview of Bitcoin's many use cases and how it's supporting freedom around the world. [20 min]
Alex Gladstein, Human Rights Foundation
Attribution: Bitcoin Policy Institute
Why does Bitcoin matter beyond investing?
For most people in wealthy countries, Bitcoin is primarily a savings tool — a way to protect money from inflation. But for roughly 1.4 billion people worldwide who lack access to a reliable bank account, and for millions more living under authoritarian regimes with unstable currencies, Bitcoin is something far more fundamental: financial freedom. A dissident in a country that freezes political opponents' bank accounts can hold Bitcoin in a self-custody wallet that no government can seize. A migrant worker can send money home to family in seconds for a fraction of the cost Western wire transfers charge. A Venezuelan or Argentine family can protect their savings from hyperinflation without permission from any institution. Bitcoin is not just a new form of money — it is the first money in history that no single person, company, or government can control, censor, or confiscate.
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