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Crypto basics & why people invest
A plain-language introduction to cryptocurrencies, price movement, volatility and risk management, for anyone starting from zero. This page is educational only and is not investment advice or a guarantee of any return.
1. Who this page is for
This page is written for someone who has heard of Bitcoin and Ethereum but has never actually looked into how any of it works. Nothing here is investment advice or a recommendation to buy any particular asset; it's a plain explanation of the concepts you'll see referenced elsewhere on this site and on the platform itself.
You don't need to read this in full before registering, but most clients find it useful context for understanding the alerts, summaries and terminology they'll see on their dashboard once their account is active. Come back to it any time a term elsewhere on the platform doesn't make sense.
2. What cryptocurrencies are
A cryptocurrency is a digital asset that exists on a blockchain, a shared, continuously updated record of transactions maintained by a distributed network of computers rather than a single bank or company. Like any asset, its price is set by supply and demand: when more people want to buy an asset than sell it at a given price, the price rises, and vice versa.
Unlike a traditional bank account, where a single institution maintains the official record of your balance, a blockchain's record is maintained collectively by the network's participants, and copies of it are distributed widely rather than held in one central location. This is part of why confirmed transactions are considered very difficult to reverse or alter after the fact.
| Term | Plain meaning |
|---|---|
| Blockchain | A shared digital ledger that records transactions in a way that's difficult to alter after the fact. |
| Wallet | Software (or hardware) that holds the keys needed to access and move a crypto asset. |
| Exchange | A platform where crypto assets are bought, sold or traded for other assets or currencies. |
| Market cap | An asset's price multiplied by the total number of coins in circulation. |
In simple terms, a transaction moves through a few stages: it's initiated by a wallet, broadcast to the network, verified by the network's participants, and then recorded permanently on the blockchain, after which it can't be reversed unilaterally by any single party. Verification of a single transaction typically takes anywhere from seconds to several minutes, depending on the specific asset and current network activity.
3. Why prices change
Several factors drive crypto asset price movement, often at the same time: trading volume (how much of an asset is actively being bought and sold), news events (regulatory announcements, technology updates, or macroeconomic data), investor sentiment (how the market "feels" about an asset, which can shift quickly), and broader economic conditions such as interest rates or currency strength.
Because crypto markets trade continuously, without the fixed open and close times of a traditional stock exchange, news and sentiment shifts can show up in price immediately, at any hour, rather than waiting for the next trading session to open. This is one reason continuous monitoring, rather than checking in a few times a day, tends to catch relevant movement that manual watching alone would miss.
| Factor | Typical effect |
|---|---|
| High trading volume | Prices tend to move faster and more sharply, in either direction. |
| Positive news | Can drive short-term buying interest and upward price pressure. |
| Negative news | Can trigger rapid selling and downward price pressure. |
| Broader market stress | Crypto assets often move in the same direction as wider risk sentiment. |
4. What volatility means
Volatility describes how much and how quickly an asset's price moves over a given period. A highly volatile asset can swing by a large percentage within a single day, while a low-volatility asset moves more gradually. Higher volatility means both larger potential gains and larger potential losses over the same period; it is not a measure of quality, just of movement.
Cryptocurrencies are, as a category, generally more volatile than many traditional asset classes, which is part of what draws some investors to them and what makes risk management particularly important. A price swing that would be considered extreme on a major stock index can be an ordinary week for some crypto assets, so calibrate your expectations, and your position sizing, accordingly.
| High volatility | Low volatility | |
|---|---|---|
| Typical daily swing | Can be large | Usually smaller |
| Potential outcome range | Wider, both directions | Narrower, both directions |
| Suits | Investors comfortable with larger swings | Investors preferring steadier movement |
5. What risk management means
Risk management is the set of decisions you make to control how much you could lose, rather than trying to predict exactly what the market will do. The core principles are straightforward: only invest an amount you can afford to lose, decide your acceptable loss level before you open a position rather than after, and diversify rather than putting everything into a single asset. Polar Zinsmere's platform gives you tools to set deposit limits, choose a risk profile, and monitor positions continuously, but it does not make investment decisions on your behalf and cannot guarantee any outcome.
None of these tools eliminate risk; they help you manage it deliberately rather than by accident. A risk profile you set once at registration is a starting point, not a permanent setting, revisit it periodically as your circumstances or comfort level change, and adjust it the same way you would any other account setting.
6. Frequently asked questions
Do I need to understand blockchain technology to invest?
No. You can use the platform's monitoring and ready-made strategies without needing to understand the underlying technology in depth, though the basics on this page will help you follow what you're seeing.
Is a more volatile asset automatically riskier?
It carries a wider range of possible outcomes, both up and down, over the same period. Whether that suits you depends on your own risk tolerance and time horizon.
Can I lose more than I invest?
On standard spot positions, no, your loss is limited to the amount invested. Read our full Risk Disclosure for the complete picture across all products.
How do I start small?
Accounts can be opened from A$380 on the Basic plan. Many clients start at the minimum and increase their deposit only once they're comfortable with how the platform behaves.
Why does the market move even when there's no major news?
Not every price move has a clear headline cause; ordinary shifts in buying and selling pressure, driven by many participants acting independently, move prices constantly, with or without a specific triggering event.
Is it normal for prices to fall right after I invest?
Yes, short-term price movement in either direction shortly after any purchase is normal and doesn't by itself indicate a problem with the asset or the platform. Focus on your overall plan rather than short-term fluctuation.