"U2F" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "alt_of": [
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          "extra": "a standard to strengthen and simplify two-factor authentication (2FA)",
          "word": "Universal 2nd Factor"
        }
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          "name": "Computer security",
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      "glosses": [
        "Initialism of Universal 2nd Factor, a standard to strengthen and simplify two-factor authentication (2FA)."
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          "Universal 2nd Factor",
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        "(computer security) Initialism of Universal 2nd Factor, a standard to strengthen and simplify two-factor authentication (2FA)."
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          "word": "2FA"
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  "word": "U2F"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "2FA"
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          "word": "Universal 2nd Factor"
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        "Initialism of Universal 2nd Factor, a standard to strengthen and simplify two-factor authentication (2FA)."
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          "Universal 2nd Factor",
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