Crypto wallet 2026: storing coins securely

In recent years, many investors have seen first-hand how Bitcoin, Ripple, and Ethereum reached new highs. Cryptocurrencies are still a relatively young asset class and have only existed since 2009. Anyone interested in direct investment, meaning buying and holding crypto coins, must also think carefully about how to store them safely.

Background. The term cryptocurrency or coin can be misleading. These are not physical coins. Instead, they are coded digital keys, wallet addresses, and transaction data stored on a blockchain. To the untrained eye, a coin looks like nothing more than a string of numbers and letters. Every crypto asset must be stored securely so it cannot be accessed or stolen by third parties. This is where wallets come into play.

Crypto wallet – function and significance?
Crypto wallets are storage tools that can easily be misunderstood by inexperienced investors.
Background. The term wallet became popular through electronic payment services such as PayPal or Skrill, where it is often used as a synonym for a digital purse. One of their core features is a constant internet connection, which allows them to be used conveniently for payments in online shops.

Cryptocurrencies are now accepted by various merchants for paying for digital services. However, crypto wallets should not be confused with digital purses. They are specialised digital tools for managing cryptocurrencies such as Bitcoin or Ethereum and function more like electronic safes.

Unlike conventional purses, coins are not physically stored inside the wallet. Instead, the wallet stores private and public keys after investors complete their crypto purchases. These are cryptographic keys that provide access to the blockchain.

The crypto assets themselves exist only as data records on the blockchain. The wallet simply acts as an interface that allows users to sign transactions, verify ownership, and manage their balances securely.

Private and public keys
Private and public keys are central components of cryptocurrencies. They are, quite literally, the keys to sending, receiving, and securely holding digital assets.

The private key is a randomly generated code that acts as an access key to a user’s cryptocurrencies. It grants full control over personal funds, which is why it must be protected with the highest level of security.

If investors lose this key, they also lose access to their cryptocurrencies. The assets are not removed from the blockchain, but they become permanently inaccessible to the owner. To avoid this situation, it is advisable to use redundant backup systems to store the key safely, combined with strong access protection.

The public key functions like a visible address that others can use to send coins. Unlike the private key, it does not require special protection and can be shared openly.

Important functions of crypto wallets at a glance:

• Storage of private keys to ensure the secure management of cryptocurrencies
• Execution of transactions signed with the private key, comparable to authorising a payment with a PIN
• Receipt of coins and tokens
• Management of multiple cryptocurrencies and a clear overview of the portfolio

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Wallet selection – an overview of the different types
For crypto investors, the importance of secure storage cannot be overstated. Choosing the right option is therefore a critical decision. In recent years, a variety of solutions have emerged, each with different features and purposes, making some more suitable than others depending on the situation.

Cryptocurrency storage can generally be divided into four main types:

• Hardware devices
• Software applications
• Custodial services (sometimes called online solutions)
• Paper-based methods

In everyday use, these types are sometimes referred to by alternative terms. For example, a hardware device is often called a cold wallet, while a software solution is known as a hot wallet.

1. Hardware wallets: High security for investors
Hardware wallets are physical devices, often resembling USB sticks. Their main advantage is that they store private keys offline (cold storage). By keeping keys disconnected from the internet, hackers lose the main opportunity to launch attacks, significantly reducing the risk of theft.

Despite their unassuming appearance, hardware wallets can be very powerful. Some devices are capable of storing several hundred to several thousand keys and cryptocurrencies. However, cold storage does have some drawbacks. Using a hardware wallet requires a basic level of technical understanding to navigate its functions correctly. Additionally, these devices can cost several hundred pounds.
Advantages at a glance:

• High security thanks to offline storage
• Protected from software vulnerabilities
• Multi-asset support for various cryptocurrencies

2. Software wallets: Convenient and versatile
Software solutions, also known as hot wallets, work differently from cold storage. These are programs or apps installed directly on a smartphone or computer, storing private keys while providing fast, convenient access to cryptocurrencies.

Compared to hardware devices, hot solutions carry higher risks, which investors must carefully consider. Nevertheless, they have clear advantages: they are usually free, easy to use, and allow for quick transactions.

However, they are more vulnerable. Hot storage can be targeted by malware or phishing attacks, and user errors—such as sending funds to the wrong address—can result in losses.
Advantages at a glance:

• Easy to set up
• Convenient for everyday use
• Quick transaction execution

3. Custodial wallets with centralised management
A custodial solution is a type of cryptocurrency storage that is centrally managed by a third-party provider, such as a crypto exchange like Coinbase or Bitpanda. Other companies can also offer this service on behalf of users.

One of the main advantages is the ability to recover lost passwords, making it relatively user-friendly for beginners. However, there are disadvantages to consider: these services are vulnerable to hacking, and external management introduces additional access risks.
Advantages at a glance:

• High user-friendliness
• Password recovery options
• Shared access through crypto trading providers

4. Paper wallets: QR codes for printing
Paper-based storage provides a physical backup for cryptocurrencies. It works by generating QR codes that can be printed and kept securely, for example in a safe. This approach is completely immune to online attacks, making it highly resistant to hacking.

However, physical storage carries its own risks. Damage or loss due to fire, water, or other disasters is possible, so careful handling and secure placement are essential.

Conclusion: Crypto wallets are the ‘safe’ for coins
Anyone who wants to invest money in cryptocurrencies must also consider how the coins will be stored when purchasing them. With the various cryptocurrency wallets, very different solutions have become established. Some variants stand out for their ease of use and keep the wallets readily available – but are less secure.

Other ‘safes’ cut off the connection to the internet and are therefore significantly more secure. However, this presents other problems, such as the fact that a hardware crypto wallet can also be misplaced. Ultimately, the best crypto wallet app will always be the solution that best meets your own requirements.

Crypto wallet – Frequently asked questions and answers
Can I create my own crypto wallet?
In principle, this is possible – for example, by using a soft wallet or printing out a QR code as a paper wallet. However, if you want to take advantage of the high-quality protection offered by a hard wallet for coins, you will need to consider the offerings from various manufacturers. On the other hand, these are solutions that meet very high technical standards and security requirements.

Where is the risk of coin theft high?
Investors who decide to set up a crypto savings plan will probably first store their coins via an exchange or broker. This is known as a custodial wallet. These are notable for their ease of use in practical applications. However, past hacking scandals show that, together with soft wallets, they can be quite vulnerable.

Are there any European providers of hard wallets?
Investors interested in managing coins in a hard wallet can actually choose from a range of products from European companies and developers. These include Ledger (France), Trezor (Czechia) and BitBox from Switzerland.

Can I also deposit funds with coins from my wallet at crypto brokers?
There is no general answer to this question, as the individually defined rules of the brokers and the regulatory framework play a role here. If it is not possible to transfer coins from a wallet to the trading account, cryptos can be purchased with PayPal and other payment methods.

Where is the ideal place to store a paper wallet?
Unfortunately, there is no magic formula for where the wallet is best kept. In general, it should be stored in such a way that unauthorised persons cannot easily access it. Nevertheless, the paper wallet should be easy to reach – for example, in an emergency such as a house fire.

Main image by Kanchanara on Unsplash