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Ways to trade and invest · Guide 6 of 11

How Crypto Investing Works: A Beginner’s Guide

Last reviewed 2 November 2026Needs careCovers the UK, US, EU, Australia and Canada

The short version

A cryptocurrency (crypto for short) is a digital token that exists only as entries in a shared online record. Bitcoin was the first, launched in 2009; thousands more have followed. People buy crypto hoping its price will rise. Prices move far more than shares do, there’s usually no compensation if things go wrong, and scams are common, so it’s the riskiest thing on this site that you can actually own.

You get
Digital tokens recorded on a blockchain (or a fund that holds them)
Typical costs
Trading fees and spreads, often 0.1% to 2% per trade; withdrawal fees
Can you lose more than you put in?
Not when you buy outright; yes with borrowed money or crypto derivatives
Risk
Very high
  • Crypto has no company behind it paying profits. Its price depends almost entirely on what the next buyer will pay.
  • Bitcoin lost roughly three-quarters of its value between late 2021 and late 2022, and smaller coins often fall further.
  • You can buy crypto on an exchange, hold it in a wallet, or in some countries buy a fund (an ETF or ETN) that holds it.
  • If an exchange collapses, is hacked or turns out to be a fraud, you may lose everything, with no compensation scheme to fall back on.
  • Only put in money you could lose completely.

What crypto is

Crypto runs on a blockchain, a record of every transaction that is copied across thousands of computers around the world. Because so many copies exist, no single bank or government controls it, and past entries are very hard to change. Your crypto is really a record on that blockchain saying a certain address holds a certain amount.

To move crypto you need a private key, a long secret code. Whoever has the key controls the coins. Lose it and the coins are gone for good; let someone steal it and they can take the coins, and there’s usually no way to reverse the transfer.

There are a few broad types. Bitcoin is the largest and most widely held. Ether runs on the Ethereum network, which other applications are built on. Stablecoins are tokens designed to stay worth one dollar or one euro, mainly used for moving money between crypto platforms; they’re only as solid as the reserves behind them. Thousands of smaller coins and tokens exist, and many have collapsed to almost nothing.

How buying crypto works

Most people buy through a crypto exchange, a website or app that matches buyers and sellers. You send it money from your bank, buy the coin and either leave it on the exchange or move it to your own wallet.

A wallet is software or a small device that stores your private keys. A custodial wallet means the exchange holds the keys for you, which is easy but means you rely on the exchange. A self-custody wallet means you hold the keys yourself, which protects you from the exchange failing but puts all the responsibility on you.

In some countries you can also buy a fund that holds bitcoin or ether and trades on a normal stock exchange: spot bitcoin ETFs in the US since January 20241, and crypto ETNs (exchange-traded notes) for UK retail investors since October 20252. These remove the wallet and key worries but not the price swings.

What it costs

  • Trading fees: from about 0.1% on large exchanges to 1.5% or more on simple “buy” buttons in apps.
  • Spreads: often hidden inside the price you’re shown, especially on instant-buy screens.
  • Withdrawal and network fees: moving coins off an exchange costs a fee that varies with how busy the network is.
  • Fund fees: crypto ETFs and ETNs charge a yearly fee, often 0.2% to 1.5%.

The risks

  • Extreme price swings. Falls of 50% to 80% have happened repeatedly. Many smaller coins have gone to near zero.
  • Platform failure. When the large exchange FTX collapsed in November 2022, customers found their money had been misused. With crypto there’s usually no FSCS, SIPC or similar scheme to pay you back.
  • Scams and hacks. Fake investment schemes, romance scams, fake apps and “recovery” services that steal again are common. Regulators warn constantly about crypto adverts promising high returns3.
  • Lost keys. If you hold your own coins and lose your private key or recovery phrase, nobody can get them back.
  • Changing rules. Laws are still being written in many countries.

Rules where you live

Products, protections and tax rules differ from country to country. Here’s a summary for the main English-speaking markets. Always check your own regulator for the latest position.

UK
Crypto firms must register with the FCA for anti-money-laundering rules, but most crypto isn’t covered by the FSCS or the Financial Ombudsman. Crypto adverts must carry risk warnings, and first-time customers of a firm get a 24-hour cooling-off period before they can invest5. Retail investors can buy crypto ETNs listed on UK exchanges, but crypto derivatives are banned2. Profits are usually subject to Capital Gains Tax.
US
Rules are split between agencies, and bitcoin and ether ETFs trade on US exchanges. SIPC doesn’t cover crypto that isn’t a registered security. The IRS treats crypto as property, so selling or spending it can trigger tax.
EU
The MiCA regulation now requires crypto firms to be licensed in an EU country. The transitional period for firms already operating ended on 1 July 2026 at the latest, and regulators warn that MiCA doesn’t make crypto safe or stop prices falling6.
Australia
Exchanges must register with AUSTRAC. Crypto CFDs for retail clients are limited to 2:1 leverage4. The ATO treats crypto as an asset for capital gains tax.
Canada
Crypto trading platforms must register with provincial securities regulators, and new investors may face limits on how much they can buy of riskier coins. Several bitcoin and ether ETFs are listed on the TSX.

Who it tends to suit

Tends to suit

  • People who are curious and can put in a small amount they could genuinely afford to lose.
  • Those who accept huge swings and won’t need the money for years.

Think twice if

  • Money for bills, emergencies or anything important.
  • Anyone who feels pressured by a friend, a stranger online or an advert promising fixed or guaranteed returns.
  • Borrowing to buy crypto, or using leverage.

How to get started safely

  1. Decide on a small maximum amount and stick to it.
  2. Use a provider registered with your regulator, found through the regulator’s own register.
  3. Consider a crypto ETF or ETN if your country allows them, to avoid storing keys yourself.
  4. If you do hold coins yourself, write down your recovery phrase on paper, keep it somewhere safe and never type it into a website or share it.
  5. Keep records of every purchase and sale for tax.

Words in this guide

Cryptocurrency
A digital token recorded on a blockchain, such as bitcoin or ether.
Blockchain
A shared record of transactions copied across many computers, very hard to change after the fact.
Private key / recovery phrase
The secret code (or list of words) that controls your crypto. Whoever has it controls the coins.
Exchange
A platform where you buy and sell crypto for ordinary money or other coins.
Wallet (custodial / self-custody)
Where your keys are kept: by a company for you, or by you yourself.
Stablecoin
A token designed to stay at a fixed value, usually one US dollar.
Crypto ETF / ETN
A product on a regular stock exchange that tracks the price of a cryptocurrency.

Frequently asked questions

Is crypto a good investment for beginners?

It’s one of the highest-risk things a beginner can buy. Some people have made large gains, and many have lost heavily. If you want some exposure, keep it to a small amount you could lose completely.

Is my crypto protected if the exchange goes bust?

Usually not. Unlike bank deposits or shares held by a regulated broker, crypto generally isn’t covered by compensation schemes such as the FSCS or SIPC.

Do I pay tax on crypto?

In most countries, yes, when you sell, swap or spend it at a profit. The UK, US, Australia and Canada all tax crypto gains. Keep records of every transaction.

Sources and further reading

Numbers in the guide, like 1, point to these sources. Rules, fees and tax change, so check the latest version before you act.

  1. SEC approves spot bitcoin ETP, opening new pathway to bitcoin investment. A&O Shearman.
  2. FCA opens retail access to crypto ETNs. Financial Conduct Authority.
  3. FCA warns consumers of the risks of investments advertising high returns based on cryptoassets. Financial Conduct Authority.
  4. ASIC moves to extend and strengthen CFD consumer protections (26-239MR, 12 October 2026) Australian Securities and Investments Commission.
  5. FCA issues final rules for marketing cryptoassets in the UK. Dechert LLP.
  6. Crypto-assets: MiCA transitional period to expire on 1 July; ESMA clarifies obligations for operators and warns investors. CONSOB (relaying ESMA).

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