You have heard about Bitcoin, you want to understand what it actually is, and you may want to buy your first coins. This page walks you through it. Six chapters cover how crypto works, where to buy it safely, what the fees really cost you, how to store what you own, and what records you need to keep.
No prior knowledge required. Each chapter stands on its own, so jump straight to the question you came with. Where a topic gets deeper, open the expandable section underneath. If you only want to know how to start, go to chapter 3.
What is Bitcoin, and why does it exist?
Bitcoin is digital money that works without a bank. It was described in 2008 by a person or group using the name Satoshi Nakamoto and went live in early 2009, in the middle of the financial crisis. The goal was a currency that no government and no central bank could control on its own.
Three properties define it:
- The supply is capped. There will never be more than 21 million Bitcoin. That limit is written into the software every participant runs. Dollars and euros, by contrast, can be created by a central bank at any time.
- There is no central authority. Instead of one bank, tens of thousands of computers worldwide keep the same list of every transaction. To cheat it, you would have to control the majority of them at once.
- You can hold it yourself. Bitcoin belongs to whoever holds the matching key. That is the greatest freedom it offers and the greatest responsibility, which is what chapter 4 is about.
Why exactly 21 million, and who is Satoshi Nakamoto?
The 21 million is not a round number picked for convenience. It falls out of how new coins are issued. Every four years the reward paid to the people running the network is cut in half. This halving has happened four times, most recently in April 2024. Add up every future payout and you land just under 21 million. On current maths, the last Bitcoin will be issued around the year 2140.
Satoshi Nakamoto is a pseudonym. Under that name, a nine-page paper describing Bitcoin appeared in 2008, followed by active participation in forums and mailing lists until 2011. Then the person or group vanished. The roughly 1.1 million Bitcoin attributed to them have never moved. Who it was remains unknown, and several public claims have been disproven.
What Bitcoin is not. It is not a safe investment and not a guaranteed return. The price has repeatedly fallen more than 70 percent within months, most recently in 2022. Only invest what you can afford to lose. And Bitcoin is not anonymous: every transaction sits permanently in a public ledger, it simply is not tied to a name.
Go deeper: live crypto prices and our Bitcoin price prediction.
Blockchain, coins and tokens in plain English
These three words trip up most newcomers. Each can be settled in a sentence.
A blockchain is a ledger that many computers keep at the same time. Each page of that ledger is called a block, and every block contains a fingerprint of the one before it. Change an old page and every fingerprint after it stops matching, so the tampering shows up immediately. Hence the name: a chain of blocks.
A coin is the native currency of one such blockchain. Bitcoin runs on the Bitcoin blockchain, Ether on Ethereum, SOL on Solana. The coin is what you pay network fees with.
A token runs on somebody else's blockchain, usually Ethereum or Solana. It is an entry in a program running there. That is why anyone can create a token in minutes, and why most tokens are worthless. This is not a footnote: it is the reason behind most total losses beginners suffer.
| Property | Coin | Token |
|---|---|---|
| Runs on | its own blockchain | somebody else's blockchain |
| Examples | BTC, ETH, SOL, ADA | USDT, UNI, LINK, PEPE |
| Effort to create | a whole blockchain, years | a few minutes |
| Pays network fees | yes | no, you need the coin for that |
| Typical risk | price swings | price swings and going to zero |
Stablecoins are a special case. They are tokens pegged to a real currency, usually the US dollar. A USDT or USDC should always be worth about one dollar. They are useful for parking value between trades without riding the swings. You can rely on that peg exactly as far as the issuer actually holds the backing.
Go deeper: what is a blockchain, what is DeFi, NFTs explained and crypto staking.
The best crypto exchange for beginners, and what it really costs
There are three ways to buy your first crypto. They differ far less in the price of the coins than in the fees, and fees are where beginners quietly lose the most money.
Exchange, broker or neobroker
- A crypto exchange. You trade directly against other users and the exchange only matches you. This is the cheapest route, often under 0.2 percent per trade, but it takes a few minutes to learn. Examples: Kraken, Coinbase Advanced, Binance, Bitvavo.
- A crypto broker. You buy from the provider itself at a fixed price. More convenient, usually more expensive, because the fee is baked into the price instead of being shown separately.
- A neobroker or your bank. Increasingly common and familiar, but many of them will not let you withdraw the coins to your own wallet.
The Bitcoin price is nearly identical everywhere. The difference is what gets added on top. On a 100 dollar monthly purchase over five years, that looks like this:
Where fees hide when none are advertised
The spread is the gap between the price you can buy at and the price you could sell at in the same second. It is never listed as a fee, but it costs you exactly the same. Providers advertising zero commission almost always earn here. You can check it in two minutes: put the buy and sell price of the same amount side by side and divide the difference by the price.
Maker and taker. On a real exchange you pay less when you place an order into the book and wait, rather than buying instantly at the current price. The first is a maker order, the second a taker order, and the difference is often half the fee. Irrelevant for a savings plan, significant if you trade regularly.
Withdrawals. Some providers charge a flat fee to send money back to your bank, others charge nothing. On small amounts, a five dollar withdrawal fee can cost more than the entire purchase did.
What to check before you sign up
- Is the provider licensed where you live? In the EU that means a MiCA authorisation from a European regulator, in the US registration with FinCEN and the relevant state licences. Check before you transfer money.
- What fee actually lands on the receipt? Look past the headline trading fee at the spread, deposit and withdrawal charges, and the cost of moving coins out.
- Can you withdraw your coins? If not, you are buying a price bet, not a cryptocurrency.
- Are recurring buys available? For beginners, buying a small amount regularly is usually calmer than one large entry.
We check the providers continuously and keep the fees current: crypto exchanges compared, regulated exchanges, crypto brokers and recurring buy plans.
How to buy Bitcoin: your first order, step by step
The first purchase takes about twenty minutes. Everything after that takes two. Here is the whole sequence, with the part beginners usually trip over marked.
- Pick a regulated platform. In the EU that means a licence under MiCA, in the US a registered money services business. This is the one decision that is hard to reverse, because moving coins later costs a withdrawal fee.
- Open the account and verify. Passport or ID card, a video or photo check, usually a phone number. Ten to thirty minutes, once. The name on your ID, your bank account and your exchange account must match, or your first withdrawal gets rejected.
- Send money in. A normal bank transfer is free and takes one working day. Card payments are instant but usually add one to two percent.
- Place the order. A market order buys immediately at the current price. A limit order waits for a price you set. For a first purchase the market order is fine, the difference is cents.
- Decide where the coins live. Leaving them on the exchange is convenient and means the exchange holds the key. Moving them to your own wallet means you hold it. See the wallet chapter below.
What nobody tells beginners: you do not buy a whole Bitcoin. One Bitcoin splits into 100 million units called satoshis, so 100 dollars buys you a fraction, and that is completely normal.
Crypto wallets explained: hot, cold and hardware
A wallet is not a purse. Your coins always sit on the blockchain, and the wallet only holds the key that lets you move them. Which leads to the most important sentence on this page: whoever holds the key holds the coins. If your coins sit on an exchange, the exchange holds the key, not you.
- Ready to trade instantly
- A forgotten password is not a total loss
- Insolvency or a hack hits you too
- Accounts can be frozen
- You hold the key
- Access to DeFi and NFTs
- Malware on the device is a real threat
- No way back if the seed phrase is lost
- The key never leaves the device
- Even an infected computer cannot reach it
- Costs money
- The seed phrase still needs a safe home
The best cold wallet for crypto: what beginners actually need
A cold wallet is any wallet whose key never touches an internet-connected device. In practice that means a small dedicated device, roughly 60 to 200 dollars, from one of the three makers that have been audited for years: Ledger, Trezor or Tangem.
You do not need one on day one. You need one the moment the amount would hurt to lose, and that threshold is personal. Below it, a software wallet on your phone is fine. Above it, the device pays for itself the first time a piece of malware finds nothing worth taking.
What actually separates them is not the chip but the recovery: a card-shaped wallet with no screen cannot show you what you are signing, while a device with a screen can. For a beginner holding a single asset, that difference matters less than simply having the key offline.
Your seed phrase
When you set up any self-custody wallet, it shows you twelve or twenty-four words. That phrase is your wallet. Anyone who knows it can empty your balance from any device on earth, and anyone who loses it never gets back in. There is no reset button and no support line.
- Write the words on paper or stamp them into metal. A photo in the cloud is a photo on the internet.
- Store it somewhere that survives both a fire and a burglar's first look.
- Never type it anywhere except when restoring the wallet itself. No support agent ever asks for it. Ever.
- Test the restore once with a small amount before you rely on it.
What to do once the balance outgrows a single device
Once losing one device would genuinely hurt, there are two established answers. The first is an additional passphrase, often called the thirteenth or twenty-fifth word. It is stored separately from the other words, so anyone who finds the paper still cannot reach the funds.
The second is multisig, where a transaction needs several keys to approve it, for example two out of three. One key at home, one in a safe deposit box, one with a service provider. Losing a single key then no longer means losing the money. The price is complexity, so this makes sense only at amounts that justify it.
In both cases: test before you fund. Set it up, send a small amount, restore the whole thing from your backups, send it back. Skip that and you find the mistake at the worst possible moment.
The three most common scams in 2026: fake support accounts on Telegram and Discord that message you right after you ask a public question. Fake wallet apps in the app stores that harvest the seed phrase. And investment advisers who build trust over weeks, then recommend a platform that nothing can be withdrawn from. All three share one trait: the contact comes to you, not the other way around.
Go deeper: hardware wallets compared, software wallets compared, how to store crypto safely and our Trezor Safe 5 review.
Seven mistakes that cost beginners money
These seven cost newcomers real money on a regular basis. None of them is complicated, and all of them are avoidable.
Crypto taxes: what to track and what to report
Tax rules for crypto differ sharply between countries, and this page cannot replace advice for yours. What does not differ is the record keeping. If you start it on day one, the rest is administration. If you start it in year three, it becomes archaeology.
The four events that usually matter
| What you did | Why it usually counts |
|---|---|
| Sold crypto for cash | The classic disposal. Almost everywhere a taxable event. |
| Swapped one crypto for another | Counts as selling the first and buying the second in most jurisdictions, even though no cash moved. |
| Paid for something with crypto | Also a disposal in most places, at the value on the day you spent it. |
| Earned staking, lending or airdrop rewards | Usually income at the moment you receive it, taxed separately from any later gain. |
Two rules that catch people out. First, holding periods matter in some countries and not at all in others. In Germany, for instance, a sale after more than twelve months is tax-free regardless of the amount, while in the US the same sale is simply taxed at the long-term rate. Never apply what you read about one country to another. Second, tax authorities increasingly receive the data directly: the EU's DAC8 rules and the OECD's Crypto-Asset Reporting Framework oblige providers to report their customers' transactions automatically from 2026 onwards.
- Date and time
- What you gave and what you received, with amounts
- The price in your home currency at that moment
- The fee you paid
- Which platform or wallet it happened on
After two hundred trades this cannot be reconstructed by memory. Tax software connects to your exchange and does it automatically, which is the entire reason that category of product exists.
Go deeper: crypto tax software compared, how to file your crypto taxes and, for readers in the United States, crypto taxes in the USA.
This chapter reflects the position in August 2026 and is not tax advice. For larger amounts or anything resembling professional trading, talk to an accountant in your own country.
The words you will keep running into
Twenty-four terms that trip up newcomers, each in two sentences. Tap one to open it.
Airdrop
All-time high (ATH)
Altcoin
Bitcoin dominance
Blockchain
CEX and DEX
Cold wallet
DeFi
Fiat money
Fork
Gas
Halving
HODL
Hot wallet
KYC
Market capitalisation
MiCA
NFT
Peer to peer
Proof of work and proof of stake
Satoshi
Seed phrase
Stablecoin
Staking
We are building a fuller reference. Until then these pages go deeper: blockchain, DeFi, NFTs, staking, airdrops.
Your next step
If you want to start now
The first purchase is less dramatic than most people expect. You open an account with a licensed exchange, verify your identity once, transfer money and buy. The whole thing takes about twenty minutes the first time and two minutes after that.
Which exchange suits you depends on whether you want to buy once or save regularly, how much the interface matters to you, and whether you intend to withdraw your coins. We review the providers continuously and keep fees, licences and features current.
All the basics in one place
These pages go deeper into individual chapters. You do not need to read them in order.
Everything you need, on CryptoTicker
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