When people buy cryptocurrencies for the first time, they usually see only a number in an app. At first glance, it looks similar to online banking. You open the app and see the value of your portfolio.

This is where one of the most common beginner misconceptions arises. Cryptocurrencies are not stored on a phone, computer, or directly in an app. Nor are they files sitting in a folder. They exist as records on a blockchain, while the app merely allows you to view and interact with the balance.

The key question is therefore not simply: where can I see my cryptocurrencies? A more accurate question is: who holds the keys? The answer determines who actually controls the cryptocurrencies.

Cryptocurrencies Are Not Stored in an App

In simple terms, a blockchain can be viewed as a public ledger in which transactions and the balances associated with individual addresses are recorded. If you own Bitcoin, Ethereum, or another cryptocurrency, no coin is sitting inside your phone. A record exists on the blockchain and can be controlled using the corresponding private key.

The app either displays an account with a provider that holds the keys on your behalf or serves as a tool for managing your own keys. The two options may look similar, but technically they represent different forms of cryptocurrency custody.

The same applies to a hardware wallet. Cryptocurrencies are not physically stored inside it either. The device primarily protects the private keys used to sign transactions and transfer cryptocurrencies.

Public Address and Private Key

A public address can be compared to a bank account number. You can give it to someone so that they can send cryptocurrency to it. On its own, however, it does not allow anyone to control or transfer the balance.

A private key, by contrast, is sensitive information that makes it possible to sign a transaction. Anyone who holds the private key can send cryptocurrencies from the associated address. This is why the phrase "Not your keys, not your coins" is widely used in the cryptocurrency world. It does not mean that holding cryptocurrencies with a provider is automatically wrong. It simply means that you need to know who actually controls the keys.

Cryptocurrency Exchange, Brokerage Service, and Provider Account

A cryptocurrency exchange is primarily used for trading. It offers charts, trading pairs, and different types of orders. A brokerage service is usually simpler: the user enters an amount, the service displays the exchange rate, and the purchase or sale is processed.

In both cases, the cryptocurrencies may remain with the provider after the purchase or be sent to the user's own wallet. The decisive issue is therefore not only whether you buy through an exchange or a brokerage service, but what happens to the cryptocurrencies once the purchase is complete.

If they remain in the user's account, the provider handles their technical custody. This is convenient for beginners: they have access to customer support and do not immediately need to manage a seed phrase or private keys. At the same time, however, they rely on the service's security, rules, and availability.

Your Own Wallet

With your own wallet, you hold the keys yourself. You gain greater control, are not dependent on a single account, and can send cryptocurrencies without a provider's approval.

Greater control also brings greater responsibility. If a user loses the seed phrase, sends cryptocurrencies to the wrong address, or gives access to a scammer, there is usually no customer support that can undo the mistake.

Software and Hardware Wallets

A software wallet is an application on a phone, computer, or in a web browser. It is practical for everyday use and smaller amounts. However, it operates on a device that may be compromised by malware, a fake app, or a fraudulent link.

A hardware wallet is a physical device that protects private keys outside the ordinary online environment. You prepare the transaction in an app, but confirm the address and amount directly on the device. It may be suitable for the long-term holding of larger amounts.

A hardware wallet does not eliminate every risk. If a user discloses the seed phrase or enters it on a fraudulent website, they may lose their cryptocurrencies regardless of the quality of the device.

What Is a Seed Phrase?

A seed phrase is a set of usually 12 or 24 words that serves as a backup for the entire wallet. If a phone or hardware wallet is damaged or lost, the phrase can be used to restore the wallet on another device. However, if someone else obtains it, they can restore the wallet as well.

A seed phrase should therefore never be photographed, sent by email, stored in the cloud, or disclosed to anyone claiming to be customer support. It must be kept securely offline. With a self-custody wallet, there is usually no "forgot password" button that can restore access.

Convenience Versus Responsibility

There is no single solution that is right for everyone. An account with a provider offers greater convenience and may suit a beginner or someone who does not want to deal with technical details immediately. A self-custody wallet provides greater control but requires knowledge, discipline, and caution.

A software wallet may make sense for everyday use and smaller amounts. A hardware wallet may be more appropriate for the long-term holding of larger amounts. What matters is understanding which model you use and the risks associated with it.

Conclusion

Cryptocurrencies are not stored on a mobile phone, computer, or hardware wallet. They are recorded on a blockchain, and access to the cryptographic keys determines who can use and transfer them.

If a provider holds the keys, you receive a more convenient service but rely on a third party. If you hold the keys yourself, you have greater control but also full responsibility for security.

The most important question is therefore not: where can I see my cryptocurrencies? What matters most is: who holds the keys? Understanding this distinction is fundamental to using cryptocurrencies safely and responsibly.