4) The bigger the blockchain state and bandwidth requirements and the longer a chain operates the fewer people can profitably maintain proximity to the data source.
4） 区块链状态和带宽要求越大，链运行的时间越长，能够保持接近数据源盈利的人就越少。
4) The bigger the blockchain state and bandwidth requirements and the longer a chain operates the fewer people can profitably maintain proximity to the data source.
4） 区块链状态和带宽要求越大，链运行的时间越长，能够保持接近数据源盈利的人就越少。