"hard fork" meaning in English

{
  "forms": [
    {
      "form": "hard forks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "hard fork (plural hard forks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Cryptocurrency",
          "orig": "en:Cryptocurrency",
          "parents": [
            "Cryptography",
            "Currency",
            "Technology",
            "Computer science",
            "Formal sciences",
            "Mathematics",
            "Money",
            "All topics",
            "Computing",
            "Sciences",
            "Business",
            "Fundamental",
            "Economics",
            "Society",
            "Social sciences"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Coordinate term: soft fork"
        },
        {
          "text": "Bitcoin Cash is a hard fork of Bitcoin.",
          "type": "example"
        },
        {
          "ref": "2017 November 8, Alex Hern, “'$300m in cryptocurrency' accidentally lost forever due to bug”, in The Guardian",
          "text": "Some are pushing for a “hard fork” of Ethereum, which would undo the damage by effectively asking 51% of the currency’s users to agree to pretend that it had never happened in the first place.",
          "type": "quotation"
        },
        {
          "ref": "2020, Lorne Lantz, Daniel Cawrey, Mastering Blockchain, O'Reilly, page 61",
          "text": "As it pertains to blockchain technology, a hard fork is an upgrade to mining software that makes a change to the network that requires the participation of all miners.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A rule change of a blockchain such that the software validating according to the old rules will see the blocks produced according to the new rules as invalid; the new blockchain resulting from such a split."
      ],
      "id": "en-hard_fork-en-noun-F1CtXBtB",
      "links": [
        [
          "cryptocurrencies",
          "cryptocurrency"
        ],
        [
          "blockchain",
          "blockchain"
        ]
      ],
      "raw_glosses": [
        "(cryptocurrencies) A rule change of a blockchain such that the software validating according to the old rules will see the blocks produced according to the new rules as invalid; the new blockchain resulting from such a split."
      ],
      "topics": [
        "business",
        "cryptocurrencies",
        "cryptocurrency",
        "finance"
      ]
    }
  ],
  "word": "hard fork"
}

{
  "forms": [
    {
      "form": "hard forks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "hard fork (plural hard forks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "English terms with usage examples",
        "en:Cryptocurrency"
      ],
      "examples": [
        {
          "text": "Coordinate term: soft fork"
        },
        {
          "text": "Bitcoin Cash is a hard fork of Bitcoin.",
          "type": "example"
        },
        {
          "ref": "2017 November 8, Alex Hern, “'$300m in cryptocurrency' accidentally lost forever due to bug”, in The Guardian",
          "text": "Some are pushing for a “hard fork” of Ethereum, which would undo the damage by effectively asking 51% of the currency’s users to agree to pretend that it had never happened in the first place.",
          "type": "quotation"
        },
        {
          "ref": "2020, Lorne Lantz, Daniel Cawrey, Mastering Blockchain, O'Reilly, page 61",
          "text": "As it pertains to blockchain technology, a hard fork is an upgrade to mining software that makes a change to the network that requires the participation of all miners.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A rule change of a blockchain such that the software validating according to the old rules will see the blocks produced according to the new rules as invalid; the new blockchain resulting from such a split."
      ],
      "links": [
        [
          "cryptocurrencies",
          "cryptocurrency"
        ],
        [
          "blockchain",
          "blockchain"
        ]
      ],
      "raw_glosses": [
        "(cryptocurrencies) A rule change of a blockchain such that the software validating according to the old rules will see the blocks produced according to the new rules as invalid; the new blockchain resulting from such a split."
      ],
      "topics": [
        "business",
        "cryptocurrencies",
        "cryptocurrency",
        "finance"
      ]
    }
  ],
  "word": "hard fork"
}