Private Network - Default Genesis Block

Ethereum Tutorials - Herong's Tutorial Examples

∟Private Network - Default Genesis Block

This section describes the default genesis block of an Ethereum private network.

New let's look at the genesis block of my private Ethereum blockchain on the JavaScript console.

On "geth" JavaScript console, check blockchain status:

> eth.blockNumber
0
> eth.syncing
false

Now view content of the genesis block, # 0:

> eth.getBlock(0)
{
  difficulty: 17179869184,
  extraData: 
    "0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa",
  gasLimit: 5000,
  gasUsed: 0,
  hash: 
    "0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3",
  logsBloom: "0x0000000000000000000000000000000000000000000000000000...",
  miner: "0x0000000000000000000000000000000000000000",
  mixHash: 
    "0x0000000000000000000000000000000000000000000000000000000000000000",
  nonce: "0x0000000000000042",
  number: 0,
  parentHash: 
    "0x0000000000000000000000000000000000000000000000000000000000000000",
  receiptsRoot: 
    "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
  sha3Uncles: 
    "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
  size: 540,
  stateRoot: 
    "0xd7f8974fb5ac78d9ac099b9ad5018bedc2ce0a72dad1827a1709da30580f0544",
  time: 0,
  totalDifficulty: 17179869184,
  transactions: [],
  transactionsRoot: 
    "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
  uncles: []
}