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  "path": "/news/2026-02-chip-fabrication-method-twin-fingerprints.html",
  "publishedAt": "2026-02-20T14:34:19.000Z",
  "site": "https://techxplore.com",
  "tags": [
    "Electronics & Semiconductors"
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  "textContent": "Just like each person has unique fingerprints, every CMOS chip has a distinctive \"fingerprint\" caused by tiny, random manufacturing variations. Engineers can leverage this unforgeable ID for authentication, to safeguard a device from attackers trying to steal private data.",
  "title": "New chip-fabrication method creates 'twin' fingerprints for direct authentication"
}