Question 1

What is Bitcoin, simply?

Accepted Answer

Bitcoin is digital money that exists online. It's not controlled by any company, government, or bank. Like gold, it's scarce and stores value - but unlike gold, you can send it over the internet instantly, 24/7.

Question 2

Who created Bitcoin and why?

Accepted Answer

Bitcoin was introduced in 2009 by someone using the name Satoshi Nakamoto. It was designed as a decentralized alternative to government money - resistant to inflation, censorship, and middlemen.

Question 3

How does Bitcoin work?

Accepted Answer

Bitcoin runs on a public network called a blockchain. Every time someone sends Bitcoin, it's recorded on this public ledger and verified by thousands of independent computers called nodes and miners. There's no CEO, no central company - just math, code, and global consensus.

Question 4

How many Bitcoin are there?

Accepted Answer

There will only ever be 21 million Bitcoin. That's hard-coded into the system. Nearly 20 million have already been mined.

Question 5

Why is the supply limited?

Accepted Answer

Bitcoin is designed to be deflationary. New coins are created as mining rewards, but the amount gets cut in half roughly every 4 years in an event called a halving. This slows the flow of new Bitcoin, increasing scarcity over time.

Question 6

What is Bitcoin mining?

Accepted Answer

Mining is how new Bitcoin are issued and how the network is secured. Miners use computers to solve math puzzles that validate transactions. The first to solve each puzzle gets rewarded with Bitcoin.

Question 7

Is Bitcoin secure?

Accepted Answer

Yes. Bitcoin is one of the most secure computer networks on Earth. It's protected by a global mining network and thousands of nodes worldwide. The blockchain itself has never been hacked.

Question 8

Do I have to buy a whole Bitcoin?

Accepted Answer

No. You can buy fractions - down to 0.00000001 BTC, called a satoshi. Even $5 gets you started.

Question 9

How do I buy Bitcoin?

Accepted Answer

You can buy Bitcoin using exchanges like Coinbase, Kraken, or Cash App. Create an account, link your bank, and buy. It's as simple as buying a stock. You can also use Bitcoin ATMs or buy peer-to-peer.

Question 10

Why does Bitcoin have value?

Accepted Answer

Bitcoin is scarce, decentralized, and useful for moving value worldwide. It's like digital gold - but more portable. People value it because others do too, just like any currency or collectible.

Question 11

Is Bitcoin legal?

Accepted Answer

Yes - in most countries. Some restrict it, but many regulate it like a commodity or property. Because it's decentralized, no government can ban it completely.

Question 12

Can governments shut down Bitcoin?

Accepted Answer

No. To shut down Bitcoin, you'd have to stop the entire global internet and every node. It's like trying to ban math - it doesn't work.

Question 13

Is Bitcoin anonymous?

Accepted Answer

Not really. Your name isn't on the blockchain, but all transactions are public. If someone links your wallet address to your identity, they can trace your activity.

Question 14

What is a halving?

Accepted Answer

Roughly every 4 years, the number of new Bitcoin created is cut in half. This is called a halving. It's one of the reasons Bitcoin gets more scarce - and often more valuable - over time.

Question 15

Why do people call Bitcoin digital gold?

Accepted Answer

Because it's scarce, decentralized, hard to fake, and trusted globally. But unlike gold, you can divide Bitcoin, carry it in your pocket, or send it instantly anywhere.

Question 16

How long has Bitcoin been around?

Accepted Answer

Bitcoin has been running since January 2009 with zero downtime. The first block was mined by Satoshi Nakamoto on January 3, 2009.

Bitcoin FAQ

What is Bitcoin, simply?

Who created Bitcoin and why?

How does Bitcoin work?

What is the blockchain?

How many Bitcoin are there?

Why is the supply limited?

What happens in the year 2140?

Can more Bitcoin ever be created?

How much Bitcoin is left to be mined?

How much Bitcoin is lost forever?

How much Bitcoin has been stolen?

What is Bitcoin mining?

Why is mining important?

Is Bitcoin secure?

Can Bitcoin be counterfeited or hacked?

How many Bitcoin miners are there?

What will the block reward be before it reaches zero?

Do I have to buy a whole Bitcoin?

How do I buy Bitcoin?

What is a Bitcoin wallet?

What's a private key?

What happens if I lose my private key?

How do I send Bitcoin?

Can I use Bitcoin to pay for things?

What's the best Bitcoin wallet?

Why does Bitcoin have value?

Who uses Bitcoin today?

Is Bitcoin a good investment?

Why does the price go up and down so much?

Where does the price come from?

Is Bitcoin legal?

Can governments shut down Bitcoin?

Is Bitcoin anonymous?

Can people see my Bitcoin balance?

Is Bitcoin only for techies?

Which countries are most supportive of Bitcoin?

How long has Bitcoin been around?

How is Bitcoin different from dollars or euros?

How is Bitcoin different from other cryptocurrencies?

What is a halving?

Why do people call Bitcoin digital gold?

Has Bitcoin changed the world yet?

Where can I learn more?

What are the best books to read about Bitcoin?

Still have questions?

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