今天来讲比特币啊，比特币是虚拟货币，被称作21世纪最大的谜团，而且是最大的金融革命。
Today, Bitcoin is a virtual currency, known as the biggest mystery of the twenty-first century, and the biggest financial revolution.
通常我们生活在哪个国家就用哪个国家的货币，比如我们生活在日本就用日币，美国就用美元，但是如果想用美元去买日本的东西就很麻烦，而且要花手续费。还有这个兑换的时候这个差价。虽然大家肯定会想到说，如果这个世界上有一个统一的货币就好，比特币就是这么个东西，它就相当于一个国际通用货，但是问题就出在这里对于任何一个国家来说，比特币的出现就让任何一个国家都失去了这个权利，所以任何一个国家都不接受。日本接受不了，美国接受不了。现在国家不接受比特币的表现形式就是不接受他的货币属性。但是呢接受他这个金融商品的属性就是你可以炒作比特币，但是你不能花他去买我们平常生活的东西，为什么不直接就封杀他？封杀不了，这就是比特币厉害的地方。我们一点点的说。比特币这个东西最早是在2008年10月31号的时候在美国一个知名的密码学的学术论坛上，有一个叫做钟本聪的人发了一篇论文，这个论文的题目叫做比特币，一种对等式的电子货币系统。
It's usually the currency of the country in which we live, for example, in Japan, and the dollar in the United States, but it's difficult to buy Japanese goods in dollars, and it costs fees. There's this difference in exchange. You're sure to think that if there's a single currency in the world, that bitcoin is the same thing as an international universal, but the problem is that for any country, bitcoin is a loss of rights, so no country can accept it. Japan can't accept it, the United States cannot accept it. Now the country does not accept bitcoin in the form of its own money.
这篇论文提出来之后呢，就引起了很多人的关注。因为这篇论文里描述了一个非常完美的非常先进的货币系统。这个货币系统的是没有发行行的。这和我们目前为止所有的货币都不一样，那么看到这篇论文之后呢，网络上很多顶尖的系统工程师就开始按照论文里写的内容搭建这个系统，这个论文写得非常详细，几乎就告诉你怎么搭建什么东西。用了短短两个月，这个系统就搭建完成。在2009年一月份的时候呢，这个比特币系统就开始运作了，第一批比特币就生成了，那么从那天开始的人们就开始在比特币这个里面挖矿。其实挖矿的事情就是大家最难理解比特币的地方，这个系统本身的就像一个虚拟的情况一样，所以从里面获得比特币的过程，称之为挖矿。简单点说，就是你在电脑上下载一个挖矿软件，然后你让这个软件不停的运作，他就每天就从比特币那个系统里而挖出了一些比特币，然后就到你账户里了。那很多人肯定会想这是很爽，你就开着电脑就可以赚钱，但其实这个事情没那么简单啊，这个事情呢，能不能赚到钱？就是三个事情，第一个就是这个矿机产生比特币的速度，第二个是你电脑本身的速度啊，第三个就是多少人和你竞争比特币的生产数量。
After this paper was presented, there was a lot of concern about it. In January 2009, it described a very perfect, very advanced monetary system. The money system was not published. This was different from all the money we've had so far, so after seeing it, many of the top system engineers on the network started to build the system according to what they wrote in the paper, and it was very detailed, and it almost told you how to build it. In a matter of two months, the system was built. In January 2009, the bitcoin system started to work, the first bitcoins were generated, and the first bitcoins started to dig in bitco, and the mine started to dig in bitco. In fact, it was the place where you had the greatest difficulty of understanding bitcoin, and the system itself was like a virtual situation, so the process of getting bitcoin from it, it was called mining. Simply put it was you downloading a mine software on a computer, and it was the second piece of money that you could make, and it was the second piece of money.
其实比特币的数量是有限的，就是两千一百万个，因为货币都是有稀有性的，所以比特币为了保证稀缺，必须设定一个固定的额度，那么产生的速度的也是设定好的。一开始快后来越来越慢。那么现在比特币系统已经运行了十年，大部分比特币都已经出来。总额两千一百万，现在已经出来将近一千八百万个，没剩多少。第三呢，就是现在挖矿的人实在太多了，就是和你竞争的人太多了，所以大家现在用电脑去挖比特币已经挖不到，于是呢就产生了矿机，就是专门用来挖比特币的电脑。大概好一点的话，两千到三千美金一台，大概十个月到一年能挖出了一个，所以你用十台挖的话，两个月到三个月能把你所有的机器钱赚回来，比特币现在是一万美金一个。这个过程中消耗大量的电，他和我们普通电脑消耗的电量是不一样。那么这个中本聪的账号，估计有一百万个，总价值一百亿美金。但是呢，他这个账号到现在为止一个比特币也没往外花过，也没有换过钱，一直存着。
The number of bitcoins is limited, and the amount of bitcoins is 21 million. Because the amount of money is rare, bitcoins must be set a fixed limit to ensure scarcity, and the speed of production is set. It's going to be slower and slower at first. So now the bitcoins system has been running for 10 years, and most bitcoins are coming out. There are nearly 18 million. Third, there are too many miners, there are too many people competing with you, so you can't dig bitcoins with computers now, so there's a mine machine, there's a bitcoins.
那么简单总结下比特币的优缺点，他的一个优点就是价值恒定，因为他的个数是一定就是两千一百万个，像金子一样，而且他不是任何国家发行。比如说日本发行的日币，一旦日本打仗了，就贬值或者不能用了。他不会受到国际形势的影响，不存在贬值的问题。那么比特币第二个特点是安全，比银行里的钱，比你手里的纸币都安全。纸币是最不安全，因为车子兜里可能被人偷走，但是比特币是一个数字存在网上一个数字，而且加密过非常安全。它安全的同时的就是，一旦你丢掉了，就再也追不回来了。呵呵，就是这么的安全对你安全，对别人也安全。所以说，如果黑客一旦获得了你的密码，控制了几笔钱，把这笔钱转出去了。你找警察也没用，追不回来的。第三个呢，就是非常低廉的手续费。这个比特币打钱原则上是不需要手续费，要发生手续费也是非常低廉的。这个和银行不一样，银行打钱，动不动就收你不少手续费。
So, one of the advantages of a simple summary of the advantages and disadvantages of Bitcoin is constant value, because his number must be 21 million, like gold, and he's not issued by any country. For example, the Japanese yen issued, once it's fought in Japan, will be devalued or unserviceable. He will not be affected by the international situation. So the second characteristic of Bitcoin is that it's safe, safer than the money in the bank, safer than the money in your hand. You can't get it back. You can't find the police, but you can't get it back. And the third thing is that it's very cheap.
他第一个缺点就是比特币的交易是不可逆的，就像我刚才说的你钱一旦打到别人账户，就不可能追回，除非的打回来了。第二个就是特别容易忘记账号和密码。银行可以通过身份证验证给你重新设个密码，但这就只有一个密码，你死了都要记住，一旦你失忆，忘记了钱就没有了。第3个就是他不公平，刚一出来的时候大家都不知道，你要让全世界人都知道了，那不就是大家重新分配这笔财富了一个机会。
His first drawback is that the Bitcoin deal is irreversible, as I said, once you hit someone else's account, you can't recover it unless you call it back. The second is that it's very easy to forget the account number and the password. The bank can reset you with an ID, but there's only one password, and you have to remember that when you lose your memory, there's no money. The third is that he's unfair, and no one knew when you first came out that you'd let the whole world know, and that is an opportunity for all to redistribute the wealth.
但是只有少部分人知道，所以作为一个国际能够通用的货币的话，那这个分配有问题，现在人只能花一个亿万美金的价钱去买。第4个等于是比特币最大的问题，就是比特币,这个系统是可复制，他这个论文也好，还有他后来搭建这个系统，这两部分都是公开的话，谁都可以创建自己的货币。到目前为止，世界上的这个虚拟货币总共有五千多种，所以究竟哪一个能成为世界通用的唯一货币并不一定。
But only a handful of people know that, as an internationally common currency, there is a problem with that distribution, and now people can only buy one million dollars. The fourth is the biggest bitcoin problem, and the system is replicable, his paper is good, and he later set up the system, both of which, if they are public, can create their own currency. So far, there are more than 5,000 virtual currencies in the world, so it is not necessary which one can become the only currency in the world.
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