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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,在整堂课的教学中，刘教师总是让学生带着问题来学习，而问题的设置具有一定的梯度，由浅入深，所提出的问题也很明确,*专业 *班级 *,比特币矿池,?,1 BTC=,143,what is bitcoin?,Bitcoin (sign: BTC) is a decentralized digital currency based on an open-source, peer-to-peer internet protocol. It was introduced by a pseudonymous developer named Satoshi Nakamoto in 2009.,How to get bitcoins?,The most common way to buy bitcoins are the Bitcoin Exchanges,.,Accept bitcoins as payment for goods or services.,There are several services where you can trade them for traditional currency.,Find someone to trade cash for bitcoins in-person through a local directory.,Participate in a mining pool,.,Trend chart：,The differences between bitcoin and traditional electronic currency：,1、Bitcoin is decentralized, the traditional electronic money has a service center.,2、Bitcoin stock is limited, can not casually,increase,issue,while,traditional electronic currency can be unlimited.,3、Bitcoin code is open source,but,the traditional electronic money are closed.,4、Bitcoins value is derived from the users increased gradually, but the traditional electronic currency depend on fiat endorsement.,Advance of bitcoin:,Bitcoins are sent easily through the Internet, without needing to trust any third party.,Transactions are irreversible by design they are also cost very little, especially compared to other payment networks.,The supply of bitcoins is regulated by software and the agreement of users of the system and cannot be manipulated by any government, bank, organization or individual.,The security,The money laundering,The legality,The support of government.,Challenges,of bitcoin：,Thank you！,
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