Why storage matters
Once you've bought your cryptocurrency, the most important step is to store it securely. Leaving your crypto on an exchange is convenient, but exchanges can be hacked. The safest approach is to move significant holdings to your own personal wallet.
Hot wallets vs cold wallets
Hot wallets
Connected to the internet. Convenient for regular transactions. Examples: mobile apps like Exodus or Trust Wallet. Best for smaller amounts you use frequently.
Cold wallets
Offline storage. Much harder for hackers to reach. Examples: hardware wallets (Ledger, Trezor). Best for larger amounts you plan to hold long-term.
Popular hardware wallets
Hardware wallets are small physical devices — roughly the size of a USB stick — that store your private keys offline. The most trusted brands are:
- Ledger (Nano S Plus, Nano X) — widely used, good app support
- Trezor (Model One, Model T) — open-source, strong security reputation
Always buy hardware wallets directly from the manufacturer's official website — never from third-party sellers, as devices could be tampered with.
Protecting your seed phrase
When you set up any wallet, you'll be given a seed phrase — a list of 12 or 24 words that is the master key to all your funds.
Never store your seed phrase digitally. Don't take a photo of it. Don't type it into a computer. Write it on paper and store multiple copies in separate secure locations — a home safe, a bank safety deposit box, or with your solicitor.
Good security habits
- Enable two-factor authentication on all exchange accounts
- Regularly update your wallet software
- Use antivirus software on all devices you use for crypto
- Never access your crypto accounts on public Wi-Fi
- Keep your holdings private — don't publicise how much you own
Test yourself
Select your answer for each question, then see if you're right.
Q1. What is the key difference between a hot wallet and a cold wallet?
Hot wallets are internet-connected (apps on your phone) -- convenient but more exposed. Cold wallets store your keys offline, away from online threats.
Q2. Why should you only buy a hardware wallet directly from the manufacturer?
A tampered hardware wallet could be pre-configured to send your funds to a thief. Always buy from the official website of brands like Ledger or Trezor.
Q3. What is a seed phrase and how should it be stored?
Your seed phrase is the only way to recover your funds if you lose your wallet. Never store it digitally -- write it down and keep it in a secure physical location.
Q4. Which is good crypto security practice?
Updated software patches vulnerabilities, and antivirus protection guards against malware that could steal your keys.