从2014年7月24日起，以太坊进行了为期42天的以太币预售，一共募集到31,531个比特币，根据当时的比特币价格折合1843万美元。
From 24 July 2014, a 42-day pre-sale in-pattern sale was carried out by Tai Pa, raising a total of 31,531 bitcoins, equivalent to $1.843 million at the then bitcoin price.
在预售前两周一个比特币可以买到2000个以太币，一个比特币能够买到的以太币数量随着时间递减，最后一周，一个比特币可以买到1337个以太币。最终售出的以太币的数量是60,102,216。另外还有0.099x（x=60102216 为发售总量）个以太币被分配给在BTC融资之前参与开发的早期贡献者，另外一个0.099x 将分配给长期研究项目。所以以太坊正式发行时有 60102216 + 60102216 * 0.099 * 2=72002454个以太币。
One bitcoin can buy 2,000 coins in the first two weeks of pre-sale, one bitcoin can buy the number of bitcoin in the last week, decreasing over time, and one bitcoin can buy 1,337 coins in the last week. The final amount sold is 60,102,216. A further 0.099x (x=6010216 total sales) is allocated to early contributors involved in the development prior to BTC financing, and another 0.099x will be allocated to long-term research projects. So 60,10216 + 601022116 * 0.099 * 2 = 72002454 in the evenings were officially released.
以太坊是基于区块链的智能合约的先驱。当在区块链上运行时，智能合约变得像自运行的计算机程序，当满足特定条件时会自动执行。在区块链上，智能合约允许代码完全按编程方式运行，而不会出现停机，审查，欺诈或第三方干扰的可能性。它可以促进货币，内容，财产，股份或任何有价物品的交换。以太坊网络于2015年7月30日上线，预挖了7,200万个以太坊。
In the block chain, smart contracts become self-run computer programs when they run. In the block chain, smart contracts allow the code to run exactly as programmed, without the possibility of shutdown, censorship, fraud or third-party interference. It facilitates the exchange of money, content, property, shares or any valuable items. On 30 July 2015, the network went online, predating 72 million of them.
以太坊（Ethereum）是将比特币中的一些技术和概念运用于计算领域的一项创新。比特币被认为是一个系统，该系统维护了一个安全地记录了所有比特币账单的共享的账簿。以太坊利用了很多跟比特币类似的机制（比如区块链技术和 P2P 网络），来维护一个共享的计算平台，这个平台可以灵活且安全地运行用户想要的任何程序（当然也包括类似比特币的区块链程序）。
Etheeum is an innovation in applying some of the technologies and concepts in Bitcoin to the area of computing. Bitcoin is considered a system that maintains a shared ledger that safely records all bitcoin bills. It uses a number of mechanisms similar to Bitcoin (e.g. block chain technology and P2P network) to maintain a shared computing platform that can operate with flexibility and security any program that users want (and, of course, a bitcoin-like block chain program).
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