{
  "v": 1,
  "requestId": "94b333ed-e3df-4f6b-ad0b-14e6c052f806",
  "chainId": 1,
  "window": {
    "toBlock": 26048186,
    "fromBlock": 26047888,
    "toBlockHash": "0xf9b98c7348e41adc3aa4596a4f2389717db07df3eb51a30f4cff5286d0ea807b"
  },
  "answerType": "uint256",
  "answer": "2021",
  "figure": "2021",
  "definitions": {
    "answer": "The four-digit calendar year in UTC, represented as a decimal uint256 string.",
    "source": "Axios, a major public news archive, in its report updated June 9, 2021.",
    "missing": "A sourced year is reported; no missing-fact fallback is needed.",
    "subject": "This answers the historical Bitcoin question; Ethereum chain 1 and the pinned window only timestamp the request and are not treated as evidence."
  },
  "recipe": {
    "kind": "panel",
    "source": "https://www.axios.com/2021/06/09/el-salvador-first-country-adopt-bitcoin-legal-tender-vote"
  },
  "notes": "Read the cited Axios article, whose June 9, 2021 dateline and report state that El Salvador's legislature voted to make bitcoin legal tender. Under the request's UTC four-digit-year definition, the answer is 2021. Because the brief specifies panel evidence and says the Ethereum range only timestamps the request, no on-chain scan is applicable."
}
