This is one of 2 'duplicate coinbase' transactions. An early bitcoin bug (fixed by BIP30) allowed identical coinbase transactions - a newer duplicate would overwrite older copies. This transaction was the coinbase transaction for Block #91,812 and, ~3 hours later, Block #91,842. The 50 BTC claimed as the coinbase for block 91,812 were also overwritten and lost. Read more
{
"in_active_chain": true,
"txid": "d5d27987d2a3dfc724e359870c6644b40e497bdc0589a033220fe15429d88599",
"hash": "d5d27987d2a3dfc724e359870c6644b40e497bdc0589a033220fe15429d88599",
"version": 1,
"size": 133,
"vsize": 133,
"weight": 532,
"locktime": 0,
"vin": [
{
"coinbase": "0456720e1b00",
"sequence": 4294967295
}
],
"vout": [
{
"value": 50,
"n": 0,
"scriptPubKey": {
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"hex": "41046896ecfc449cb8560594eb7f413f199deb9b4e5d947a142e7dc7d2de0b811b8e204833ea2a2fd9d4c7b153a8ca7661d0a0b7fc981df1f42f55d64b26b3da1e9cac",
"type": "pubkey"
}
}
],
"hex": "01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff060456720e1b00ffffffff0100f2052a010000004341046896ecfc449cb8560594eb7f413f199deb9b4e5d947a142e7dc7d2de0b811b8e204833ea2a2fd9d4c7b153a8ca7661d0a0b7fc981df1f42f55d64b26b3da1e9cac00000000",
"blockhash": "00000000000a4d0a398161ffc163c503763b1f4360639393e0e4c8e300e0caec",
"confirmations": 708856,
"time": 1289768691,
"blocktime": 1289768691
}{
"hash": "00000000000a4d0a398161ffc163c503763b1f4360639393e0e4c8e300e0caec",
"confirmations": 708856,
"height": 91842,
"version": 1,
"versionHex": "00000001",
"merkleroot": "d5d27987d2a3dfc724e359870c6644b40e497bdc0589a033220fe15429d88599",
"time": 1289768691,
"mediantime": 1289767893,
"nonce": 3778549762,
"bits": "1b0e7256",
"difficulty": 4536.353723275037,
"chainwork": "00000000000000000000000000000000000000000000000001b55d6596dd0790",
"nTx": 1,
"previousblockhash": "00000000000a1e92acbcbdf594cac25d1095544d5fbf5113bfec85a9eb4b1120",
"nextblockhash": "0000000000016ca756e810d44aee6be7eabad75d2209d7f4542d1fd53bafc984"
}[
{
"bestblock": "0000000000000021b3d0a59c361eb9fa3fb030bb660bee202edb433b880fac0f",
"confirmations": 708856,
"value": 50,
"scriptPubKey": {
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"hex": "41046896ecfc449cb8560594eb7f413f199deb9b4e5d947a142e7dc7d2de0b811b8e204833ea2a2fd9d4c7b153a8ca7661d0a0b7fc981df1f42f55d64b26b3da1e9cac",
"type": "pubkey"
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"coinbase": true
}
]