How do I use a hardware wallet to approve NFT transactions safely?
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3 Answers
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In practice, NFT approvals feel like granting access to a single contract. I verify the exact contract address and token ID on the device, avoid 'approve all' permissions, and only proceed if the details match my intent. One phishing popup tried a forged contract; I canceled and rechecked everything.
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Connect hardware wallet to a trusted interface (Ledger + MetaMask), inspect contract address and token ID on device screen, never 'Approve All', confirm only specific contract and token.
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Here's how I handle NFT approvals with a hardware wallet, based on real calls I’ve faced. Update firmware and enable passphrase protection. On a trusted computer, connect Ledger (or similar) to your wallet interface and start the NFT transfer. Read the device screen carefully: contract address, token ID, and the action. Only approve the specific contract for the exact token; avoid setApprovalForAll unless you truly need it for a trusted marketplace, and revoke it afterward. Sign on the device, not the computer. Afterward, check for lingering allowances and revoke them via the wallet or Etherscan. If anything looks off, wrong contract, missing token, or a suspicious URL, cancel and retry on a safer setup.
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