examples/run-blockchain/index.js
function (next) {
    genesisBlock.header = new BlockHeader(
                            testData.genesisBlockHeader
                          )
    blockchain.putGenesis(genesisBlock, next)
  }
function (next) {
    genesisBlock.header = new BlockHeader(
                            testData.genesisBlockHeader
                          )
    blockchain.putGenesis(genesisBlock, next)
  }
create and add genesis block