You don’t need thousands of dollars to buy crypto. Many platforms let you buy fractional amounts, so $100 is enough to open a position, learn how the market works, then decide whether crypto belongs in your portfolio.
Just get your mindset right first. Starting with $100 is best viewed as a low-stakes way to gain experience — not a fast track to wealth.
Crypto can be exciting and chaotic. Prices can swing dramatically in a matter of hours, and bad decisions get punished quickly. It isn’t for everyone.
But starting with $100 can work in your favor. It gives you room to learn the ropes without putting too much on the line.
Before you buy anything, though, make sure your financial bases are covered. If losing most of that $100 would genuinely muddy your finances, you shouldn’t be using it to buy crypto.
Experts generally recommend building an emergency fund and paying off high-interest debt before investing.
Starting with $100 allows you to buy exposure and experience. You’re learning how to execute a trade and monitor a position — and maybe most importantly — learning how you react emotionally when your investment jumps or drops.
That mindset matters because people who go in expecting moonshot gains overnight are often the same people who tend to panic sell after the first ugly drop.
“Having unreasonable expectations will usually lead to disappointing results,” said Adam Blumberg, a CFP and managing partner at Protocol Wealth in Denver.
Finally, be honest about your risk tolerance. Crypto is a market where drop, exchange failures, hacks, and liquidity problems are all part of the deal. Again, it’s not for everyone.
Still on board? Here’s how to get started.
Step 1: Educate yourself and get clear on your goals
You don’t need to become a technical expert to buy crypto. But it’s beneficial to know the basics.
Start by learning a few key concepts: what cryptocurrency is, how buying and selling works, what a wallet is, and why crypto is generally riskier than traditional investments, such as stocks or mutual funds.
Before starting out, it’s also wise to get clear on why you’re buying crypto in the first place.
“Why you’re investing will often drive your expectations and your behaviors,” said Blumberg.
Is this $100 just an experiment? Are you planning to add small amounts over time? Do you want to hold long term, or are you trying to actively trade?
Blumberg noted other reasons people may invest in crypto, including wanting a certain uncorrelated return, a hedge against traditional finance, or because they believe in the value of a particular project.
“These various reasons will help you make rational decisions, such as exiting your position when you’ve reached your goal, or when market or economic conditions change,” said Blumberg.
Read more: How to invest in cryptocurrency: A beginner’s guide
The number of places you can buy cryptocurrency has exploded in recent years. From dedicated exchanges to popular payment apps, you’ve got options.
Here’s an overview of the primary ways you can buy crypto:
Centralized exchanges: These include platforms such as Coinbase and Binance. They’re built specifically for crypto, so they usually offer the widest selection of coins and the most advanced crypto-focused tools. That can be a plus if you want flexibility, but it also offers more chances to chase obscure altcoins or trade more than you can afford.
Payment apps: Apps such as Cash App and PayPal let users buy crypto in a more familiar, stripped-down interface. These can be appealing if you already use the app and want a quick way to enter the market. The trade-off is usually higher fees on small purchases and fewer coins to choose from. If you’re only working with $100, staying mindful of fees is crucial.
Brokers and trading apps: Some mainstream investing platforms — such as Robinhood, Interactive Brokers, and Public — also offer crypto trading. These can be convenient if you already invest there and want to keep your financial life under one roof. But it’s still important to compare fees, spreads, and available coins.
Most platforms let you buy fractional amounts, so your $100 can still get invested without having to purchase a whole coin.
If you’re buying crypto for the first time, simplicity matters. A flashy app with endless charts, coin recommendations, or gamification features like exploding confetti when you place a trade may feel exciting, but it can push beginners into trading too often. A boring, easy-to-use platform is usually the best move.
Read more: The 7 best crypto exchanges in 2026: Our top picks after hands-on testing
There are thousands of cryptocurrencies on the market, and truthfully, most of them probably aren’t worth your attention. Crypto is crowded with meme coins, low-quality projects, and thinly veiled pump-and-dump schemes.
If you’re only starting with $100, there’s a strong case for sticking with established cryptocurrencies, such as bitcoin or ether.
Bitcoin and ethereum are still volatile, but they’ve been around longer, have broader adoption, and offer more liquidity than you’ll see in newer or more speculative tokens.
“At this point, over-diversifying into many different coins doesn’t often lead to better returns — but it does add more risk,” said Blumberg.
Step 4: Set up your account, deposit funds, and make your first trade
Next, it’s time to set up your account. This usually involves entering personal information, verifying your identity, and linking a bank account or debit card.
Once your account is set up, you can deposit your funds and place your first trade. Review the purchase amount, check the fees, and make sure you understand what you’re buying before you hit confirm.
If you think you may want to keep investing over time, you might also consider setting up recurring purchases. This helps you practice dollar-cost averaging, which means investing a set amount at regular intervals instead of putting all your money in at once. This can help you build a position gradually and smooth out your purchase price over time instead of trying to anticipate the perfect entry point.
You won’t owe taxes for buying and holding crypto. But selling crypto for a profit — or exchanging one coin for another coin — is a capital gain and considered a taxable event in the eyes of the IRS.
If you sell crypto in 2026 through a U.S. exchange or broker, that platform now must send you and the IRS a Form 1099-DA showing key details from the sale, such as the transaction date, proceeds, and, in some cases, cost basis information.
That moves crypto closer to the same kind of tax reporting investors already know from Form 1099-B for stocks and mutual funds.
In the past, most crypto investors received little or no standardized tax reporting from exchanges, which made it easier to underreport gains, “forget” trades, or assume the IRS wouldn’t connect the dots.
With Form 1099-DA — which rolled out to consumers for the first time in calendar year 2026 — there are fewer gray areas and a much clearer paper trail. So if you’re selling crypto, it’s more important than ever to treat taxation here as seriously as you would with stocks or other investments.
If your goal is long-term crypto exposure and you want to avoid taxable trades, one alternative is buying crypto-related exchange-traded funds in a tax-advantaged account, such as an IRA. In a traditional IRA, taxes are generally deferred until you withdraw the money, while qualified Roth IRA withdrawals can be tax-free.
There are currently only three types of cryptocurrency ETFs on the market — bitcoin, ether, and solano — but buying and selling them inside an IRA won’t trigger capital gains tax the way it would inside a regular taxable account.
Read more: Yes, crypto is taxed. Here’s when you have to pay.
After getting your money in the market, the next step is mostly patience. Crypto prices can swing sharply in a single day, so don’t be surprised if your $100 rises or falls quickly.
“Be prepared to wake up in the morning to market moves, without always a clear understanding as to the reason,” said Blumberg.
That’s why position sizing matters. Starting with $100 is smart because it limits the damage if things go badly or if you decide crypto isn’t for you. If you end up liking the asset class and want more exposure later, you can always add gradually.
It’s also smart to monitor your own behavior. If you’re checking prices constantly, chasing hype online, or feeling tempted to buy and sell based on emotion, that’s a problem. The goal is to stay informed without becoming reactive.
“Investors should have their expectation and thesis in mind as they watch the movements in price,” said Blumberg.
Let the trade teach you something, build your confidence, and then decide what comes next.
