Better miss than err. Safety first.

To ensure the security of virtual assets, multiple protective measures are crucial.
I. Basic Protection

- Hardware Wallets: Use offline ones like Ledger and Trezor. Store most assets there to keep them away from long online exposure.
- Private Keys: Never screenshot, cloud-store or communicate them via tools. Handwrite on fireproof and waterproof media.
- 2FA: Bind it to all accounts. Opt for Google Authenticator over SMS to dodge SIM hijacking.
- Passwords: Set unique, strong passwords (12+ chars, mixed case and symbols) and update every 3 months.

II. Operational Security

- Phishing: Check URLs closely. Avoid clicking suspicious links in emails or texts.
- Smart Contracts: Audit via platforms like CertiK and SlowMist before interaction.
- Cold Storage: Diversify assets across multiple cold wallets to prevent total loss.
- Test Transfers: Send a tiny amount first to confirm address and on-chain status.

III. Devices & Environment

- Secure Devices: Use dedicated ones without social apps for encrypted assets to avoid malware.
- System Cleanup: Clear cache and cookies. Use virtual machines or sandboxes for high-risk tasks.
- Protection Software: Deploy antivirus (e.g., Malwarebytes) and firewall. Scan regularly.
- Backup: Store mnemonic shards separately, like in a bank box or with a trusted person.

IV. Platforms & Compliance

- Platforms: Choose regulated and reputable exchanges (e.g., Coinbase, Kraken) and check their security records.
- On-Chain Monitoring: Set alerts on blockchain explorers (e.g., Etherscan) for abnormal transfers.
- Revoke Permissions: Use tools like Revoke.cash to cancel unused DApp contract rights.

V. Awareness & Emergency

- Social Engineering: Beware of fake services and impostors. Never share private keys or codes.
- Drills: Make an asset transfer plan for key leaks and practice it.
- Learning: Follow security communities (e.g., r/CryptoCurrency) and vulnerability channels.

Tips

- Legal: Keep records for tax and avoid anonymous coin mixing.
- Social: Don't publicize asset scale to avoid attacks.
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