#CryptoSecurity101 Crypto security refers to the tools, technologies, and best practices used to protect cryptocurrency assets, transactions, and personal data from theft, hacking, fraud, or accidental loss.

🔐 1. What Is Crypto Security?

Crypto security is all about protecting:

Your crypto wallet (like a bank account)

Your private keys (like the password to that bank account)

Your crypto exchanges/accounts (like Binance, CoinDCX)

Your transactions and tokens (e.g., BTC, ETH, etc.)

🛠️ 2. How It Works (Key Elements)

✅ A. Public Key vs Private Key

Public Key: Like your bank account number — safe to share, used to receive crypto.

Private Key: Like your ATM PIN — must be kept secret. Anyone with it can access your crypto.

✅ B. Wallets

Hot Wallets: Always connected to the internet (e.g., Trust Wallet, MetaMask) — easy to use but riskier.

Cold Wallets: Offline wallets (e.g., Ledger, Trezor) — very safe but less convenient.

✅ C. Seed Phrase

A 12 or 24-word phrase that can recover your wallet. Never share it. Store it offline safely.

✅ D. 2FA (Two-Factor Authentication)

Adds a second layer of security — like an OTP on your phone when you log in.

✅ E. Smart Contract Audits

For DeFi apps: the code is reviewed by experts to find and fix bugs or vulnerabilities.

🛡️ 3. Best Practices for Staying Safe

🔍 Risk 🔒 Security Tip

Phishing scams Never click on unknown links or emails

Exchange hack Use reputable exchanges (like Binance) and withdraw to wallet

Key loss Backup your seed phrase offline

Fake tokens Verify contract address before buying

Phone theft Use biometrics + PIN + disable mobile wallets

🧠 Example:

If you buy crypto on Binance and store it on Trust Wallet:

1. You get a public address to receive tokens.

2. You also get a private key/seed phrase — keep it hidden.

3. If someone gets your seed phrase, they can steal your crypto — no refunds, no recovery