{
  "v": 1,
  "requestId": "498a0dab-c90d-4764-b3c6-6a080e82196e",
  "chainId": 1,
  "window": {
    "toBlock": 26048185,
    "fromBlock": 26047887,
    "toBlockHash": "0x4e56a6dcfef3265a8874b5ee86b0b5e6df4d4bc3cc666e5c442c89638985d5c7"
  },
  "answerType": "uint256",
  "answer": "50",
  "figure": "50",
  "definitions": {
    "answer": "50, the block subsidy in whole BTC paid to the miner of the genesis block and every block until the first halving at block 210000",
    "source": "Bitcoin Wiki, 'Controlled Supply' (https://en.bitcoin.it/wiki/Controlled_supply): 'The block chain starts with a block reward of 50 bitcoins.' Also corroborated by the Bitcoin source code (src/validation.cpp, GetBlockSubsidy: nSubsidy = 50 * COIN before any halving), and the genesis block coinbase transaction (block 0, mined 2009-01-03) paying a 50 BTC output.",
    "subject": "This answers a fact about the Bitcoin network's history; the pinned chain (Ethereum) and block window only timestamp when the panel answered, and were not used to read the fact."
  },
  "recipe": {
    "kind": "panel",
    "source": "https://en.bitcoin.it/wiki/Controlled_supply"
  },
  "notes": "Off-chain historical fact, evidence:panel. The original Bitcoin block subsidy was 50 BTC per block, in effect from the genesis block (mined 2009-01-03) until the first halving at block 210000 (2012). Confirmed via the Bitcoin Wiki 'Controlled supply' page and cross-checked against Bitcoin Core's GetBlockSubsidy() implementation (50 * COIN pre-halving) and the well-known genesis block coinbase output of 50 BTC. No RPC calls were needed or used; the pinned Ethereum window only timestamps the request."
}