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=参考文献=

1、百度百科-时间戳[http://baike.baidu.com/link?url=SucIaGZzIGHOk3CdJXaiYdjIXEa1Rq6w--z9e1loGkWRXoWtm7H2L3yHHRNXKErL5anaUrhSettLB9UasNuluK]

2、比特币块链和挖矿原理[http://www.8btc.com/bitcoin_block_chain]