Key Takeaways
- Buying Bitcoin directly lets you purchase small fractions of a coin, so you can start with almost any budget.
- Regular investing, often called Dollar‑Cost Averaging, can help smooth out price swings over time.
- A long‑term approach, sometimes called HODLing, can help you stay focused during market ups and downs.

You have just signed up to a cryptocurrency exchange, verified your identity, and deposited your first funds. The dashboard is open, numbers are moving, and charts may look confusing at first.
It is natural to ask yourself: “What do I do now?”
By learning a few simple strategies before you buy anything, you can make more informed decisions and reduce avoidable mistakes.
Buying Bitcoin directly
A straightforward way to start is to buy Bitcoin directly on an exchange. Many beginners believe they must buy a whole Bitcoin, which is not the case.
Bitcoin is highly divisible, similar to how a euro is divided into cents. The smallest unit of Bitcoin is called a “Satoshi” or “Sat”, named after its creator, Satoshi Nakamoto. One Bitcoin is made up of 100 million Satoshis.
This means you can invest small amounts, for example €20, €50, or €100, and receive a fraction of a Bitcoin instead of a full coin. You decide the size of your purchase, as long as you meet the exchange’s minimum order size.
Buying directly also usually gives you relatively high liquidity. Bitcoin is widely traded, so you can normally buy or sell quickly if your financial situation changes or if you adjust your investment plan.
Smoothing the ride with Dollar‑Cost Averaging
Crypto prices can move sharply in short periods. This volatility can feel stressful, especially if you try to “time the market” by predicting exact highs and lows.
Many investors use a simple method called Dollar‑Cost Averaging (DCA). In the euro area, the idea is the same even if you invest in EUR. You invest a fixed amount at regular intervals, such as weekly or monthly, no matter what the price is at that moment.
This approach encourages consistency. It reduces the pressure to guess the “perfect” entry point and helps you avoid making emotional decisions based on short‑term price movements.
How it works in practice
Imagine you have €1,000 you want to invest in Bitcoin.
-
Scenario A (lump sum):
You invest the full €1,000 on Monday. If the price falls by 10% on Tuesday, your whole Bitcoin position is immediately down by 10%. If the price then rises, you benefit from that too, but everything depends on your initial timing. -
Scenario B (DCA):
You invest €100 every week for ten weeks, regardless of the price.- Week 1: The price is relatively high, so your €100 buys fewer Satoshis.
- Week 2: The price drops, so your €100 buys more Satoshis.
- Week 3: The price is more stable, so you buy a moderate amount.
By the end of ten weeks, you have invested the same €1,000, but at different price levels. Your overall purchase price is an average of those entries rather than a single point. DCA does not guarantee profit or protect you from loss, but it can reduce the impact of investing everything at an unfavourable moment.
The HODL mentality
In crypto communities you may see the word “HODL”. It started as a misspelling of “hold”, then users turned it into “Hold On for Dear Life”.
In simple terms, HODLing means buying a crypto asset, such as Bitcoin, and planning to keep it for a long period, usually several years or more. The focus is on long‑term potential rather than short‑term price moves.
Historically, Bitcoin has gone through strong rises and deep drops. Past performance is not a reliable guide to future results, and there is no guarantee that similar patterns will repeat. However, a long‑term mindset can help some investors avoid panic selling during temporary downturns or when negative news (often called “FUD”, meaning Fear, Uncertainty and Doubt) appears.
This strategy requires patience and a clear plan. It is similar to planting a tree. You do not dig it up every week to check the roots. You give it time and accept that there will be seasons of growth and seasons that look quiet or even negative.
Remember that choosing to hold is still an investment decision, with its own risks. You should only invest what you can afford to lose.
Diversifying with altcoins
Bitcoin is the first and largest cryptocurrency by market value, but it is not the only one available. Any cryptocurrency that is not Bitcoin is usually called an “altcoin”.
Diversification means spreading your investments across different assets to manage the impact if one of them performs poorly. For example, some investors hold a mix of Bitcoin and other crypto assets, such as Ethereum or Solana, which have different purposes or technologies.
Most exchanges, including CoinJar, provide basic information such as price history and trading volume. You might see that some assets have risen strongly over several years, while others have fallen sharply or even lost most of their value.
Bitcoin is often described as a potential store of value, similar in concept to digital gold, although this is not guaranteed. Many altcoins are more experimental, may depend heavily on their development teams or communities, and can be much more volatile. Some projects fail completely.
Before buying any altcoin, it is important to:
- Understand what the project does and why it exists.
- Check whether there is clear documentation and a visible team.
- Look at liquidity, that is, how easily you can buy and sell it on reputable exchanges.
Diversification can spread risk, but it does not remove it.
Security and risks
Owning cryptocurrency means taking responsibility for how you store it. When you buy on an exchange, the platform usually holds the private keys on your behalf, in what is called custodial storage.
Some users are comfortable with this and focus on strong account security. Others prefer to move their crypto to a personal wallet where they control the keys themselves.
There are two main types of personal wallets:
Hot wallets
These are software wallets, such as mobile apps or browser extensions, that are connected to the internet. They are convenient for frequent transactions, but more exposed to online risks, such as phishing attacks or malware on your device.
Cold wallets
These are hardware devices or other offline methods used to store your private keys without a permanent internet connection. They are widely considered more secure for long‑term storage, as they reduce the risk of online hacking. However, you must keep the device and recovery phrases safe. If you lose access and have no backup, you may permanently lose your funds.
Whichever method you choose, consider:
- Using strong, unique passwords for your accounts.
- Enabling two‑factor authentication (2FA), for example an authenticator app rather than SMS where possible.
- Keeping your recovery phrases and backup keys offline and private.
- Being careful with links and attachments, especially those sent by unknown contacts or unofficial channels.
Red flags to watch for
Crypto scams and high‑risk schemes are common. Staying cautious can protect you from serious loss.
Watch out for:
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Guaranteed returns
If a person or project promises fixed or extremely high returns, treat this as a warning sign. Crypto assets are unpredictable, and no one can guarantee profits. -
Pressure to buy or “act now”
Be wary of messages that say you must decide immediately or you will miss a “once‑in‑a‑lifetime” chance. Responsible investing should give you time to think, research, and, if needed, seek professional advice. -
Unknown or opaque projects
Be careful with tokens that have very low trading volumes, little public information, or no clear use case. Check whether the project has transparent documentation, independent audits where relevant, and an identifiable team. If basic information is missing or unclear, consider staying away.
If something sounds too good to be true, it usually is.
Summary
Starting with Bitcoin does not need to be complicated. You can buy small fractions directly, spread your entries over time with a regular investment plan, and decide whether a long‑term holding strategy fits your financial goals and risk tolerance.
No strategy removes risk. Crypto assets can be highly volatile, and you may lose all the money you invest. To reduce avoidable problems:
- Invest only what you can afford to lose.
- Take time to learn how Bitcoin and other crypto assets work.
- Secure your accounts and wallets carefully.
- Avoid making decisions based only on hype, social media, or short‑term price moves.
Investing is usually a long journey, not a quick race. A calm, consistent approach, supported by your own research and, where appropriate, independent professional advice, can help you navigate it more safely.

CoinJar
CoinJar is one of the longest-running cryptocurrency exchanges in the world. Since 2013, we’ve helped hundreds of thousands of people worldwide to buy, sell and spend billions of dollars in Bitcoin, Ethereum and dozens of other cryptocurrencies.
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