Why Security Matters in Crypto
Unlike traditional banking, cryptocurrency transactions are irreversible. If your funds are stolen or you lose access to your wallet, there is no customer support hotline to call. You are your own bank.
Understanding Wallets
Hot Wallets
Connected to the internet. Convenient for daily use but more vulnerable.
- MetaMask
- Trust Wallet
- Exchange wallets
Cold Wallets
Offline storage. Maximum security for long-term holdings.
- Ledger hardware wallets
- Trezor hardware wallets
Seed Phrase Security
Your seed phrase is the master key to your wallet. Follow these rules:
- Never share it with anyone
- Never store it digitally (no photos, no cloud storage)
- Write it down on paper or engrave on metal
- Store in multiple secure locations
Common Attacks to Watch For
- Phishing: Fake websites mimicking real exchanges
- Social engineering: People pretending to be support staff
- Clipboard malware: Software that changes copied wallet addresses
Best Practices
- Enable 2FA on all exchange accounts
- Use unique, strong passwords
- Verify website URLs before entering credentials
- Keep software updated
For comprehensive security guidance, read Understanding Seed Phrases by Jason Ansell.