比特币是由区块链组成的帐本，这个帐本什么意思？刚才说的计算机A把一个币发给计算机B，就产生了一个交易，每十分钟完成的交易会打到一个区块里面，形成一个帐本，每十分钟产生一个区块，然后它就一直链接到前一个区块中去，这就是我们所说的区块链。
Bitcoin is a book made up of block chains. What does this book mean? When computer A issues a currency to computer B, it produces a transaction, and every ten minutes it hits a block, forms an account book, produces a block every ten minutes, and then links it to the previous block, which is what we call the block chain.
区块链的价值是什么？从更底层来讲，区块链是人类组织架构的重大创新，它产生一种分布式机构，这么多节点，并没有一个中心去指挥，但是可以协作。这个组织是分散的，但是行动却是统一的，它是基于规则，而不是基于权力运行。这会改变很多东西，比如说区块链的第一个应用比特币，就直接把政府的铸币权改掉了。
What is the value of the block chain? At the bottom of the spectrum, the block chain is a major innovation in the structure of human organization, creating a distributed structure, with so many nodes, without a centre to command, but with collaboration. The organization is fragmented, but the action is uniform, and it is based on rules rather than power. This changes many things, such as bitcoin, the first application of the block chain.
那么比特币如何挖矿？到底挖出什么东西？比特币挖矿有点类似于黄金挖矿，所完成的第一件事情就是分发初始的比特币，因为比特币有2100万个，但是这2100万个由谁获得呢？这个分发机制非常有意思，因为有很多山寨币使用了非常分发方法，结果证明并不是公正的，这些币没有发展起来，那么，比特币分发币的本质办法是什么？是把这些币烧掉，跟黄金挖矿一样，黄金挖矿是烧钱去挖，比特币也是一样的。谁想获得比特币的话，谁都可以把自己白白烧掉，获得相应的比特币，所以这件事情是公平的，它就非常完美解决了2100个比特币怎么分发的问题。法币虽然好用，但是大家不喜欢法币，就是因为法币不公平，因为央行可以无限制的印钞票，比特币它解决的了初始币发行的公平问题。
So how does bitcoin dig? What does bitcoin dig? Bitcoin digs like gold digs, and the first thing that's done is distributes the initial bitcoins, because there are 21 million bitcoins, but who gets the 21 million? This distribution mechanism is interesting, because many of the coins use very fair distribution methods, and these coins prove not to be fair, so what is the essence of bitcoins distribute? It's burning them, like gold digs, that gold digs for money, and bitcoins do the same thing. Whoever gets bitcoins, they can burn themselves in white and get the corresponding bitcoins, so it's fair, and it's perfectly solved the problem of how 2100 bitcoins are distributed. French coins are good, but people don't like French coins, because French coins are unfair, because the central bank can write and bitcoin solve the fair issue of initial coins.
有这么多计算机都在不断的发交易，但最后实际上交易最后是由一个人，由一台计算机产生这个区块。那我们怎么决定到底有这么多计算机从哪一台打包？大家都想打包交易，那谁打包？比特币靠摇骰子的方法，如果谁摇到6个6，就可以进行打包，这个过程就是挖比特币的过程。实际上就是竞争交易打包权，就是说很多节点不断摇骰子，试图摇出6个6，只要摇出了这个结果，就可以抢到这10分钟打包权，拿出现在将近4万人民币的产出。
So many computers are being traded, but in the end the deal is going to be made by one person, and it's going to be created by a computer. So how do we decide which one of these computers is going to pack? Everyone wants to pack the deal, and who's going to pack it? Bitcoin is going to do it by shaking the dice, and if anyone moves to six six, it's going to be the process of digging bitcoins.
先是最早小规模家庭矿工，它实际上是一台一台电脑，但是每一台电脑上面插了很多显卡，它一般会插6张显卡，这样这个显卡摇骰子的能力特别强。再往后出现了超大规模的挖矿矿场，成千上万台机器进行摇骰子的工作。这个时候如果有任何人想要从计算上攻击比特币网络，就要花费很大的成本。
First, the first small-scale home miner, actually a computer, but there are a lot of cards on each computer, and it's usually six cards, so that this card rolls the dice. And then there's a super-large mining site, and thousands of machines do roll the dice. This time, it's a huge cost to anyone who wants to do a calculated attack on the Bitcoin network.
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