{
  "v": 1,
  "requestId": "78f3a95b-65e2-4625-ad6c-06c1fe82d05c",
  "chainId": 1,
  "window": {
    "toBlock": 26048185,
    "fromBlock": 26047887,
    "toBlockHash": "0x4e56a6dcfef3265a8874b5ee86b0b5e6df4d4bc3cc666e5c442c89638985d5c7"
  },
  "answerType": "uint256",
  "answer": "2021",
  "figure": "2021",
  "definitions": {
    "answer": "the four-digit calendar year (UTC) in which the Taproot soft fork activated on the Bitcoin mainnet",
    "source": "Bitcoin Optech and the Bitcoin wiki record Taproot locking in at block 687285 (June 2021) and activating (lock-in enforcement begins) at block 709632, mined 2021-11-14 UTC",
    "subject": "Answer is about the Bitcoin network's history, not Ethereum; the pinned chain/window only timestamp this request"
  },
  "recipe": {
    "kind": "panel",
    "source": "https://en.bitcoin.it/wiki/Taproot"
  },
  "notes": "Taproot (BIPs 340/341/342) activated on Bitcoin mainnet at block height 709632, mined 2021-11-14 UTC, per the Bitcoin wiki (https://en.bitcoin.it/wiki/Taproot) and Bitcoin Optech's Taproot activation summary. Year = 2021."
}