以太坊不只是一种用于交易的加密货币。其真正的价值在于其目的。以太坊的目的是让拥有以太币的人能使用通过几千个节点提供动力的分布式世界计算机。
当然，因为每个微小的语句必须由网络中的每个节点执行，去中心化的分布式计算机运行缓慢且成本高昂。但是这里所说的慢的参照系是什么?参照的是虽然更快但是由中心控制的服务器。
Of course, because every tiny statement has to be executed by every node in the network, the decentralised distributed computer is slow and costly. But what is the slow reference here?
为了享受使用中心化计算机的低成本，我们给它们控制我们的力量。如果中央计算机(服务器)出故障或被黑了，就会连累与其连接的所有用户。只有当每个节点都出故障之时，去中心化计算机才会出故障，因此这台计算机能够一直工作下去。有网络之处就有以太坊。
In order to enjoy the low cost of using a central computer, we give them the power to control us. If the central computer (server) malfunctions or is hacked, all the users connected to it are involved. Only when every node fails, a decentralised computer malfunctions, so the computer can work.
1.扩展性不足：
1. Insufficient expansion:
以太坊社区的主要开发人员和研究人员始终认为区块链技术要实现大规模采用，可扩展性是区块链应用程序需要解决的唯一最重要的关键。
Major developers and researchers in the Etheraya community have always considered scalability to be the only most important key that block chain applications need to address in order for block chain technology to be adopted on a large scale.
以太坊的底层设计，最大的问题是以太坊只有一条链，没有侧链，它把所有的程序对等的跑在全球所有节点的矿机上。这样一个很耗资源的程序，会导致问题越来越严重。
The biggest problem at the bottom of the Etherm is that the Etherm has only one chain and no side chain, and it runs all the programs on all the nodes of the globe. Such a resource-intensive program will cause the problem to get worse and worse.
2.智能合约费用过高
2. The cost of smart contracts is too high
在以太坊上现在还是POW的挖矿模式，交易是有手续费的，用来激励矿工来处理交易和保护网络，不同的是以太坊是以“gas”的形式来收费的。
In the mining model of Ethio, which is still Pow, there is a transaction fee, which is used to motivate miners to handle the transaction and protect the network, with the difference that it is paid in the form of “gas”.
在以太坊协议中规定，交易手续费=Gas 数量 x Gas 价格，其中 Gas 数量由智能合约的复杂程度决定，而 Gas 价格则由合约发起人决定。这对开发者和用户意味着什么呢?虽然读取本地区块链是免费的，但写入和运算是花钱的，储存更是尤其昂贵，因为任何写入的信息都会被永久的储存着。
In the Etheria agreement, transaction fees = Gas number x Gas price, of which Gas number is determined by the complexity of a smart contract, while Gas price is determined by the originator of the contract. What does that mean for developers and users? While reading the local chain is free, writing and shipping is expensive and storage is particularly expensive, because any information written is permanently stored.
3.社区对共识协议改变的分歧
3. Community differences over changes in consensus agreements
以太坊计划实现将 POW 机制改为 POW/POS 混合共识机制。但这个涉及到技术开发和矿工双方能否达到利益共识的问题了。如果协议发生了变化，社区意见不合时，就会导致分叉，大家各自玩各自的。
It is planned to transform the Pow mechanism into a mixed Pow/POS consensus mechanism. But it is a question of whether technology development and miners can achieve a common understanding of their interests. If the agreement changes, the community disagrees, leading to a fork in the game, each playing its own game.
1、定位明确：以太坊早期定位为世界计算机，而随着发展，明确了自己的定位是世界去中心化的金融底层账本，目前所有的开发、发展、应用都围绕着这个定位，战略清晰!
1. Clear positioning: The early positioning of Taiyo as a world computer, and as it developed, it became clear that it was the world's decentralised bottom account, and that all the developments, developments and applications now revolve around this positioning, with a clear strategy!
2、产业扩散导致应用惯性：最终成功的项目往往不是技术上最优秀的，而是应用最广泛的。这句话特别适合以太坊!也许以后发展的新公链技术上比以太坊更优秀，可以太坊目前已扩散到云服务、实体项目、共享经济、公共事务，范畴不断扩大，形成了强大的应用惯性!
2. Industrial proliferation leads to application inertia: ultimately successful projects tend not to be the best in technology, but the most widely applied. This phrase is particularly appropriate for Etherko! Perhaps the new public chain technology that will be developed is better than Ethera, which is now spreading to cloud services, physical projects, shared economies, public affairs, and growing application inertia.
3、这是一个开放系统。这是该区块链的一大优势。外部的每个人都可以参加此项目。这也使得开发和改善这个生态系统成为可能。与其他区块链项目不同，以太坊交易费用较低。使用这种加密货币投资最初的硬币发行项目确实非常有益。
This is an open system. This is one of the advantages of the block chain. Everyone from the outside can participate in the project. This also makes it possible to develop and improve the ecosystem. Unlike other block chain projects, it is less expensive to trade with the tavern.
以太坊是平台，它让我们方便的使用区块链技术开发去中心化的应用，在这个应用中，使用Solidity来编写和区块链交互的智能合约，合约编写好后之后，我们需要用以太坊客户端用一个有余额的账户去部署及运行合约(使用Truffle框架可以更好的帮助我们做这些事情了)。为了开发方便，我们可以用Geth或testrpc来搭建一个测试网络。
Ether is a platform that allows us to easily use block chain technology to develop decentralised applications in which, when the contract is written, we need to deploy and run the contract with a surplus account (using the Truffle framework to better help us do this). To develop it, we can build a testing network with Geth or testrpc.
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