Security in #криптовалюті has several key aspects to be aware of:

1. Private and public keys:

- Private Keys: This is your password to cryptocurrency. Never share it. Keep it in a safe place.

- Public Keys: This is your address to receive cryptocurrency. You can share it safely.

2. Wallets

- Cold wallets: These are physical devices (such as Ledger or Trezor) that store your private keys offline. They are the safest.

- Hot Wallets: These are online wallets. They are convenient for daily use, but less secure.

3. Two-factor authentication (2FA) - enable 2FA on all cryptocurrency accounts. This is an additional layer of protection that makes it difficult for hackers to gain access.

4. Phishing Protection - Be careful with email and websites. Make sure you are visiting genuine sites. Phishing attacks can spoof your private keys.

5. Regular update - constantly update the software of wallets and exchanges. Updates often contain important security fixes.

6. Using a VPN - Use a VPN to further protect your internet connection, especially when accessing cryptocurrency accounts over public networks.

7. Audits and Checks - Regularly check your accounts and transactions for any suspicious activity.

Ensuring security in cryptocurrency is key to protecting your assets and maintaining confidence in the market.