This is the first block in the Groestlcoin blockchain, known as the 'Genesis Block'. You can read more about the genesis block.
{
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"confirmations": 3660816,
"height": 0,
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"merkleroot": "3ce968df58f9c8a752306c4b7264afab93149dbc578bd08a42c446caaa6628bb",
"time": 1440000002,
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"nonce": 6556309,
"bits": "1e00ffff",
"difficulty": 0.00390625,
"chainwork": "0000000000000000000000000000000000000000000000000000000001000100",
"nTx": 1,
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"weight": 1064,
"tx": "See 'Transaction IDs'",
"coinbaseTx": {
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"vin": [
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"sequence": 4294967295
}
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"scriptPubKey": {
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"blockhash": "000000ffbb50fc9898cdd36ec163e6ba23230164c0052a28876255b7dcf2cd36",
"time": 1440000002,
"blocktime": 1440000002,
"confirmations": 3660815
},
"totalFees": "0",
"miner": null,
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}[
"3ce968df58f9c8a752306c4b7264afab93149dbc578bd08a42c446caaa6628bb"
]{
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}