Yes — you can absolutely buy a partial amount of Bitcoin (BTC) or even a tiny fraction of it. In fact, one of the most powerful features of Bitcoin is its divisibility. Whether you're investing $10 or $1,000, you don’t need to own a full Bitcoin to participate in the crypto market. Platforms like CEX.IO make it easy to purchase fractional amounts, opening the door for more people to get involved regardless of budget.
Bitcoin’s smallest unit is called a satoshi, named after its mysterious creator, Satoshi Nakamoto. One satoshi equals 0.00000001 BTC — that’s one hundred millionth of a single Bitcoin. This high level of divisibility ensures that even if Bitcoin reaches extremely high valuations, users can still transact with small portions.
👉 Discover how easy it is to start buying fractions of Bitcoin today.
Why Bitcoin’s Divisibility Matters
The ability to buy less than one Bitcoin addresses several practical concerns:
- Affordability: With Bitcoin often trading at tens of thousands of dollars per coin, full ownership may be out of reach for many. Fractional purchases allow broader access.
- Flexibility: Investors can dollar-cost average (DCA) by buying small amounts regularly, reducing risk from price volatility.
- Utility: Smaller units make microtransactions possible, which could be vital for future use cases like digital tipping or machine-to-machine payments.
This divisibility is built into Bitcoin’s protocol and recognized universally across wallets and exchanges.
A Brief Look at Bitcoin’s Origins
Bitcoin emerged in 2008 through a whitepaper published by an individual or group using the pseudonym Satoshi Nakamoto. The goal was to create a decentralized digital currency that operated without reliance on banks or central authorities.
One of the key problems Bitcoin solved was the double-spend issue — the risk that digital money could be copied and spent more than once. Traditional financial systems prevent this with centralized ledgers, but Bitcoin introduced a novel solution: the blockchain.
The blockchain is a public, distributed ledger secured by cryptography. Every transaction is verified by network nodes through proof-of-work (PoW), making fraudulent activity nearly impossible. This innovation laid the foundation for all modern cryptocurrencies.
Bitcoin also introduced benefits such as:
- Lower transaction fees compared to credit cards
- No chargebacks for merchants
- Borderless transfers
- Financial inclusion for the unbanked
These features helped establish Bitcoin not just as digital cash, but as a new asset class.
How to Buy a Fraction of Bitcoin on CEX.IO
Purchasing a fraction of BTC on CEX.IO is straightforward and accessible via both web and mobile platforms. Here’s how you can do it step by step.
Step 1: Create an Account
To begin, sign up on CEX.IO:
- Visit the registration page and enter your email and password.
- Provide your first and last name, select your country, and accept the Terms of Use.
- Confirm your email address using the verification code sent to your inbox.
Once registered, you’ll need to complete identity verification, a standard KYC process that typically involves uploading government-issued ID and verifying your address.
Step 2: Choose Your Purchase Method
CEX.IO offers multiple ways to buy fractional Bitcoin:
✅ Instant Buy
This is the fastest way to acquire BTC:
- Go to the Instant Buy section.
- Select your preferred fiat currency (USD, EUR, GBP).
- Enter the amount of Bitcoin you want (as little as 0.0009 BTC).
- The platform locks in the current rate — no slippage.
- Choose your linked card and confirm the purchase.
You’ll receive BTC in seconds, with a clear receipt showing all details.
✅ Spot Trading
For more control over pricing:
- Deposit funds via card or bank transfer.
- Navigate to the Spot Trading page.
- Select the BTC/USD (or EUR/GBP) trading pair.
- Place a market order to buy at the current price, or set a limit order to buy when BTC hits your desired price.
This method is ideal for those who want to time the market or invest larger sums gradually.
👉 Learn how to start trading Bitcoin with flexible investment options.
Buying Bitcoin via Mobile App
The CEX.IO mobile app brings full functionality to your smartphone:
- Log in to your account.
- Tap Buy on the home screen.
- Enter the amount (minimum $20).
- Select payment method and confirm.
In just a few taps, your Bitcoin will appear in your wallet. The app also includes real-time price charts so you can monitor trends and act quickly.
Additionally, the app supports:
- Instant selling of BTC
- Fund conversions between crypto and fiat
- Portfolio tracking
Supported Payment Methods
CEX.IO accepts a wide range of payment options:
- Credit and debit cards (Visa, Mastercard)
- Bank transfers (SWIFT for USD/GBP/EUR; SEPA for EUR)
- E-wallets: Skrill, PayPal, Epay
Each method has different limits and processing times. For example, card purchases are instant, while bank transfers may take 1–5 business days. Fees vary accordingly, so it’s wise to review them before confirming transactions.
Note: You can buy Bitcoin with Skrill. Simply choose Skrill as your deposit method on the Wallet page or in the app, select your currency (EUR or GBP), and follow the transfer instructions.
Frequently Asked Questions (FAQ)
How many satoshis are in 1 Bitcoin?
There are 100,000,000 satoshis in one Bitcoin. While you don’t directly "buy satoshis," this unit helps measure very small amounts of BTC — especially useful as prices rise.
What is the minimum amount of Bitcoin I can buy on CEX.IO?
Through Instant Buy, the minimum is 0.0009 BTC. For spot trading, the minimum order value is $10 worth of BTC, depending on the current market price.
Is buying a fraction of Bitcoin worth it?
Absolutely. Fractional ownership lowers the entry barrier and allows for strategic investing. Even small amounts can grow significantly over time, especially with consistent contributions.
Can I convert other cryptocurrencies into Bitcoin?
Yes. Use the Convert feature in the app or on the website to swap any supported crypto (like ETH or XRP) directly into BTC. You can exchange between 25% and 100% of your balance instantly.
How do I check the current Bitcoin price in fiat?
Use the Bitcoin price calculator on CEX.IO to see real-time exchange rates in USD, EUR, or GBP. The tool updates dynamically based on live market data, helping you make informed decisions.
Is it safe to buy fractional Bitcoin online?
Yes — as long as you use reputable platforms with strong security measures. CEX.IO employs encryption, two-factor authentication (2FA), and cold storage for assets, ensuring your funds and data remain protected.
👉 Secure your first fraction of Bitcoin with confidence and ease.
Final Thoughts
You don’t need to buy a whole Bitcoin to benefit from its growth. Thanks to its divisibility, anyone can start building a crypto portfolio with as little as $20. Whether you prefer instant purchases, strategic trading, or mobile convenience, platforms like CEX.IO offer flexible tools to suit every investor.
The key is getting started — even with a small amount. Over time, consistent investments in fractional BTC can compound into meaningful holdings.
With real-time pricing tools, multiple payment methods, and mobile accessibility, there's never been a better time to enter the world of digital assets.
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