Cryptocurrency is a digital asset you buy and hold through an exchange, but it carries real financial risk that differs from stocks or bonds

Cryptocurrency is money that exists only as data — Bitcoin, Ethereum, and thousands of others. You buy it through a website or app called an exchange, store it in a digital wallet (either on that exchange or on your own device), and sell it when you choose. Unlike stocks, which represent ownership in a company, or bonds, which are loans you make to a government or corporation, cryptocurrency has no underlying business or cash flow. Its price moves based on what other people will pay for it.

Before you invest any money, understand that cryptocurrency is volatile and speculative. The price of Bitcoin can swing 10 or 20 percent in a single day. You can lose your entire investment. If you cannot afford to lose the money, do not put it into cryptocurrency. This is not a savings account or a retirement fund — it is a high-risk bet on the future price of a digital asset.

Key Takeaways

  • You buy cryptocurrency through an exchange (Coinbase, Kraken, Gemini are common ones), which requires identity verification and a bank account or debit card linked to it.
  • Cryptocurrency prices are not regulated by any government and can fall to zero; you should only invest money you can afford to lose completely.
  • You pay fees to the exchange when you buy or sell, and those fees vary widely — some charge 1 percent per transaction, others charge more.
  • Cryptocurrency held in an exchange account is not insured the way a bank account is, so if the exchange fails or is hacked, your money may be gone.
  • Tax reporting is required in most countries; you owe tax on gains when you sell, even if you never withdraw the money to a bank account.

How to open an account and buy your first cryptocurrency

Start by choosing an exchange. The largest ones in the United States are Coinbase, Kraken, Gemini, and Crypto.com. Each has a website and a mobile app. Go to the exchange's site, click the sign-up button, and enter your email address and a password. The exchange will send you a confirmation email — click the link in it.

Next, you will need to verify your identity. The exchange will ask for your full name, date of birth, address, and the last four digits of your Social Security number. Some exchanges also ask for a photo of your driver's license or passport. This step is required by law; exchanges must know who their customers are. It usually takes a few minutes to a few hours.

Once your identity is verified, link a payment method. You can connect a bank account (which takes a few days to confirm) or use a debit card (which works immediately). The exchange will charge a fee for each purchase — typically 1 to 4 percent depending on the exchange and the payment method. A debit card usually costs more than a bank transfer.

To buy cryptocurrency, go to the "Buy" section of the exchange, choose which cryptocurrency you want (Bitcoin, Ethereum, etc.), enter the dollar amount you want to spend, and confirm the purchase. The cryptocurrency will appear in your account within minutes. You now own it, and its price will move up or down based on the market.

Where your cryptocurrency is stored and what happens if you lose access

When you buy cryptocurrency on an exchange, it sits in an account on that exchange's servers. You access it by logging in with your email and password. This is called a custodial wallet — the exchange holds it for you. It is convenient, but it means the exchange controls your money. If the exchange is hacked, goes out of business, or freezes your account, you may not be able to get your money back.

Some people move their cryptocurrency to a non-custodial wallet — software or a physical device they control themselves. Examples include MetaMask (software), Ledger (a physical device), and Trezor (another physical device). If you use a non-custodial wallet, you are responsible for keeping your password and recovery phrase safe. If you lose them, there is no customer service to call — your cryptocurrency is gone forever. This is not theoretical; people lose thousands of dollars this way every year.

Cryptocurrency held on an exchange is not insured by the Federal Deposit Insurance Corporation (FDIC) the way a bank account is. If Coinbase or Kraken fails, your money is not automatically protected. Some exchanges carry insurance for certain types of loss, but the coverage is limited and does not apply to all scenarios. Read the exchange's terms of service to understand what happens if something goes wrong.

Understanding fees and how they affect your returns

Every time you buy or sell cryptocurrency, you pay a fee to the exchange. The fee is usually a percentage of the transaction — 1 to 4 percent is common. On a $1,000 purchase, a 2 percent fee costs you $20. That $1,020 is what you actually paid, so the price of Bitcoin or Ethereum would have to rise by at least 2 percent just for you to break even.

Some exchanges charge a flat fee per transaction instead of a percentage. Others charge different rates depending on how much you trade — if you trade frequently, you may get a lower rate. A few exchanges offer lower fees if you hold their own token, but this adds complexity and risk.

If you move cryptocurrency from one exchange to another, or from an exchange to a non-custodial wallet, you pay a network fee in addition to any exchange fee. This fee goes to the cryptocurrency network itself, not to the exchange. Network fees vary depending on how busy the network is — Bitcoin network fees can range from a few dollars to $50 or more during peak times.

Before you invest, calculate what fees will cost you. If you plan to buy $500 of Bitcoin and sell it a year later, and the exchange charges 2 percent each way, you will pay $20 to buy and $20 to sell — $40 total. The price of Bitcoin would have to rise by 8 percent just to cover those fees.

Tax reporting and what you owe when you sell

In the United States, the Internal Revenue Service (IRS) treats cryptocurrency as property, not currency. When you sell cryptocurrency for more than you paid for it, you owe capital gains tax on the profit. If you held it for less than a year, it is taxed as short-term capital gains at your ordinary income tax rate. If you held it for more than a year, it is taxed as long-term capital gains at a lower rate (0, 15, or 20 percent depending on your income).

You owe tax even if you never withdraw the money to your bank account. If you buy $1,000 of Bitcoin and sell it for $1,500 on the same exchange, you owe tax on the $500 gain immediately, even if the $1,500 stays in your exchange account.

You also owe tax if you trade one cryptocurrency for another. Selling Bitcoin to buy Ethereum is a taxable event. The IRS considers it a sale of Bitcoin (triggering capital gains tax) followed by a purchase of Ethereum.

Most exchanges provide a tax report at the end of the year showing all your transactions. You will need this report to file your taxes accurately. If you do not report cryptocurrency gains, the IRS can assess penalties and interest. Consult a tax professional if you are unsure how to report your transactions.

Different ways to invest in cryptocurrency beyond buying and holding

The simplest approach is to buy cryptocurrency and hold it — this is called hodling (a misspelling of "holding" that became the term used in the community). You buy, wait, and sell when you decide to. This requires no special knowledge beyond understanding how to use an exchange.

Some people trade cryptocurrency — buying and selling frequently to profit from price swings. This requires constant attention, technical knowledge, and emotional discipline. Most people who trade lose money. If you are new to investing, do not start with trading.

You can also earn interest on cryptocurrency by lending it to other people through a platform like BlockFi or Celsius. These platforms pay you a percentage return on your balance. However, these platforms are not banks and are not insured. Several major lending platforms have failed in recent years, and customers lost their money. Only lend cryptocurrency you can afford to lose.

Some people buy cryptocurrency through a retirement account like a self-directed IRA. This allows you to hold cryptocurrency in a tax-advantaged account, but it requires setting up a special IRA with a custodian that supports cryptocurrency. The process is more complex and the fees are higher than a regular exchange.

Red flags and common mistakes to avoid

Do not invest based on social media hype or celebrity endorsements. If someone on TikTok or Twitter is telling you to buy a specific cryptocurrency, they may own it themselves and profit when the price rises. This is called a pump-and-dump scheme. By the time you hear about it, the price may already be inflated, and you could be buying at the peak.

Do not send money to someone who promises may provide returns or says they can double your money. Cryptocurrency has no may provide returns. Anyone making that promise is either lying or running a scam. If it sounds too good to be true, it is.

Do not use leverage or margin to buy cryptocurrency — borrowing money from the exchange to invest more than you have. If the price falls, you can lose more than your initial investment and owe the exchange money. This is how people end up in debt.

Do not keep large amounts of cryptocurrency on an exchange you do not trust. Research the exchange's history, read reviews, and understand their insurance policy. If you are holding more than a few thousand dollars, consider moving it to a non-custodial wallet — but only if you are confident you can keep your password and recovery phrase safe.

Frequently Asked Questions

Is cryptocurrency a good investment for retirement?

Cryptocurrency is too volatile for most retirement portfolios. If you are saving for retirement, a diversified mix of stocks and bonds through a 401(k) or IRA is a more stable approach. You can hold a small amount of cryptocurrency (5 to 10 percent of your portfolio) if you want exposure to it, but it should not be your primary retirement strategy.

Can I lose more money than I invested?

If you buy cryptocurrency outright and hold it, the worst case is that the price falls to zero and you lose your entire investment. You cannot lose more than you put in. However, if you use leverage or margin (borrowing money to invest), you can lose more than your initial investment and owe money to the exchange.

What is the difference between Bitcoin and Ethereum?

Bitcoin is the oldest and most established cryptocurrency. It was designed as a digital currency and store of value. Ethereum is a blockchain platform that allows people to build applications on top of it. Both are traded on exchanges, both are volatile, and both carry the same risks. Bitcoin is generally considered less risky because it has been around longer, but neither is a safe investment.

Do I need to report small purchases to the IRS?

Yes. The IRS requires you to report all cryptocurrency transactions, regardless of the amount. Even if you bought $100 of Bitcoin and sold it for $110, you owe tax on the $10 gain. The threshold for reporting is not based on transaction size — it is based on whether you had a gain or loss.

What happens if an exchange gets hacked?

If an exchange is hacked and your cryptocurrency is stolen, you may not recover it. Most exchanges carry insurance, but the coverage is limited and may not cover all types of loss. Some exchanges have reimbursed customers after hacks, but this is not may provide. This is why some people move their cryptocurrency to non-custodial wallets they control themselves.