genesis.json

{
  "nonce": "0x0000000000000042",
  "mixhash": "0x0000000000000000000000000000000000000000000000000000000000000000",
  "difficulty": "0x01",
  "coinbase": "0x0000000000000000000000000000000000000000",
  "timestamp": "0x00",
  "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
  "extraData": "0x",
  "gasLimit": "0x47e7c5",
  "config": {
    "chainId": 12342,
    "homesteadBlock": 0,
    "eip150Block": 0,
    "eip150Hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
    "eip155Block": 0,
    "eip158Block": 0,
    "ByzantiumBlock": 0,
    "ethash": {}
  },
  "alloc": {
    "0x0000000000000000000000000000000000000001": {"balance": "1"},
    "0x0000000000000000000000000000000000000002": {"balance": "1"},
    "0x0000000000000000000000000000000000000003": {"balance": "1"},
    "0x0000000000000000000000000000000000000004": {"balance": "1"},
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    "0x5aeda56215b167893e80b4fe645ba6d5bab767de": {"balance": "999000000000000000000"}
  }
}