NFT Security Best Practices

By Dr. Angela Davis · · Sep 5, 2025

NFTs have revolutionized digital ownership, but they've also introduced unique security challenges. This guide covers the most effective strategies to protect your NFTs from hackers and scams.

Common Threats to NFTs

Phishing Attacks

Fake marketplaces and wallet sign-in pages trick you into surrendering private keys.

Wallet Hacks

Poorly-secured wallets can be targeted through social engineering or malware.

Smart Contract Vulnerabilities

Unpatched bugs in NFT contracts can lead to asset theft.

Proven Protection Strategies

Hardware Wallets - Store NFTs in air-gapped devices like Ledger or Trezor.

2FA Verification - Enable multi-factor authentication on all wallet interfaces.

Smart Contract Audits - Only buy/sell via contracts verified by reputable security firms.

Blockchain Analytics - Monitor transfer activity using tools like Etherscan or Blockchair.

Wallet Security Checklist

Recovery Phrase Safety

Store on physical media (not electronic devices)
Keep in secure location with physical access controls

Transaction Confirmation

Verify network and gas fee in wallet before sending
Check contract address for unexpected changes

Smart Contract Verification

Always verify contract source code before transactions:


                            // Verify contract via Etherscan
                            function validateContract(address) {
                                return checkVerificationStatus(address)
                                    && hasAuditSignature(address)
                                    && lastPatched(<100 days);
                            }

Marketplace Safeguards

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Marketplace Verification

Only use platforms that verify artist identities and contract security.

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Provenance Tracking

Use blockchain analytics tools to verify NFT ownership history.

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Reputation Systems

Avoid sellers with no history or unverified profile details.