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区块链国际资讯

比特币 VS 以太坊:道不同不相为谋

自2014年初Vitalik Buterin在北美比特币大会上首次谈及以太坊之后,这个新概念就得到了大众广泛的关注。在这之后,人们就不断地拿它与比特币进行比较。在今天这篇文章中,我们就将为各位投资者梳理一下比特币和以太坊的相似与区别。

比特币

作为首次问世的虚拟货币,比特币诞生于七年之前。Satoshi Nakamoto在白皮书中引入了这个概念:相比于传统在线支付机制,比特币的交易费用更低。不同于由政府发行的货币,比特币将由非中心化机构运营管理。现实中并不存在比特币的实物,人们使用的只是与公钥和私钥相关的账户余额。

经过这些年的发展,监管层和政府机构对于虚拟货币的概念接受程度与日俱增。尽管比特币还没有被正式认定为支付媒介或是有价值的储存物,但它已经实现了盈利并且将继续共存于金融系统中。不过后续的相关审查和讨论仍将继续。

区块链

要了解比特币,就必须先了解其背后的区块链驱动系统。区块链现在不仅是金融科技领域的大热话题,而且也在其他许多行业得到了热烈追捧。

区块链是被执行在特定系统中的记录所有交易事项的公共账目。随着完整的区块不断增加和融入,整个区块链就会不断地地成长壮大。区块通过加密技术按照线性时间顺序添加到区块链中,这样可以确保他们不被额外的操纵势力影响。这样的区块链系统允许所有参与者访问,但是同时可以记录本身不会被篡改。区块链使其可以在运营中压缩成本,增强合规性,降低风险并且提高效率。

下面我们来聊聊以太坊

未来,区块链技术将不单单用于数字货币的应用程序,我们将这种升级产品称之为Crypto 2.0,Blockchain 2.0甚至是Bitcoin 2.0。

以太坊于2015年发布,它是目前最大最完善的开放式分散软件平台,能使得智能契约和分布式应用程序的构建和运行不受第三方的停机时间,欺诈,控制和干扰影响。以太坊不仅是一个平台,而且也是运行在区块链上的编程语言(图灵完备性),能够帮助开发者构建和发布分布式应用程序。

以太坊的潜在应用程序涉及范围很广,并且以特定平台的加密货币Ether(以太币)为基础来运行。2014年,以太坊已经推出了预售以太币并得到了市场的积极反馈。以太币如同在以太坊平台上运行的机动车辆,并且得到了以太坊应用程序开发人员的热烈追捧。

以太币目前主要用于两个目的:像其他加密货币一样作为交易使用的数字货币,或者在以太坊内部使用从而运行应用程序,甚至将工作货币化。据说,以太坊可以被用来“编纂、分散、保护和交易任何事物。”与以太坊相关的一个重要项目是微软与ConsenSys的合作,这使得“在Microsoft Azure上,以太坊区块链可以作为一项服务(EBaaS),因此企业客户和开发人员能够拥有基于云平台的单一点击开发环境。”

比特币Vs以太坊

尽管比特币和以太坊的运营都是以分布式分类账和加密技术的原则为基础,两者仍旧在众多技术领域存在不同。例如,以太坊使用的编程语言是Turning complete,而比特币使用的则是基于栈的编程语言。其他方面的差异包括阻塞时间(以太坊交易的确认在数秒内完成,而比特币则是在几分钟内完成)和他们的基本算法(以太坊使用的是ethash而比特币使用的是安全散列算法,SHA-256)。

然而,从一般观点来看,比特币和以太坊的目的不同。尽管比特币最初创立时时被当作常规货币的替代物,因而它也是支付交易的媒介和价值储存的手段。但以太坊却的开发目的是作为一个平台,这样它就可以通过自己的货币工具使P2P交易和应用程序便捷化。虽然比特币和以太币都是数字货币,但以太币的主要目的不是把自己建成为支付替代物(这一点不同于比特币)而是使以太坊的运营便利化且货币化,从而使得开发人员可以建立并运行分布式应用程序。

结语

总之,以太坊是基于区块链原则的一大进步,尽管比特币也是由区块链技术支持,但是以太坊的目的却不是与比特币相竞争。不过,以太币市值的攀升还是让它卷入了与所有加密货币的竞争,尤其是在交易方面的竞争。目前,以太币(ETH)的市值已经超越了Ripple和Litecoin,但还远远低于比特币(BTC)。总而言之,比特币和以太坊是使用区块链技术的不同版本,它们也在不同目标的驱动下来建设发展自己。

Ethereum has received a lot of attention since its announcement at the North American Bitcoin Conference in early 2014 by Vitalik Buterin. The natural consequence of its rising popularity has been its constant comparison to Bitcoin, the first virtual currency. It is important for investors to understand the similarities and differences between Bitcoin and Ethereum.

Bitcoin

Bitcoin, the first virtual currency, was born seven years back. It introduced a novel idea set out in a white paper by the mysterious Satoshi Nakamoto: Bitcoin offers the promise of lower transaction fees than traditional online payment mechanisms and is operated by a decentralized authority, unlike government issued currencies. There are no physical Bitcoins, only balances associated with public and private keys.

Over these years, the acceptance of the concept of a virtual currency has increased among regulators and government bodies. Although it isn’t a formally recognized medium of payment or store of value, it has managed a niche for itself and continues to coexist in the financial system despite being regularly scrutinized and debated.

Blockchain

The attempts to understand Bitcoin more closely resulted in the discovery of blockchain, the technology that powers it. The blockchain is not just the hottest topic in the FinTech world but also a sought after technology in many industries.

A blockchain is a public ledger of all transactions in a given system that have ever been executed. It is constantly growing as completed blocks are added to it. The blocks are added to the blockchain in linear, chronological order through cryptography, ensuring they remain beyond the power of manipulators. The blockchain thus stands as a tamper-proof record of all transactions on the network, accessible to all participants. The blockchain offers a chance to work at lower costs with greater regulatory compliance, reduced risk, and enhanced efficiency.

Enter Ethereum!

Blockchain technology is being used to create applications which are beyond just supporting a digital currency. Such applications are often referred to as Crypto 2.0, Blockchain 2.0 or even Bitcoin 2.0.

Launched in 2015, Ethereum is the largest and most well-established, open-ended decentralized software platform that enables SmartContracts and Distributed Applications to be built and run without any downtime, fraud, control or interference from a third party. Ethereum is not just a platform but also a programming language (Turing complete) running on a blockchain, helping developers to build and publish distributed applications.

The potential applications of Ethereum are wide ranging and run on its platform-specific cryptographic token, Ether. In 2014, Ethereum had launched a pre-sale for ether which received an overwhelming response. Ether is like a vehicle for moving around on the Ethereum platform and is sought by developers looking to develop and run applications inside Ethereum.

Ether is used broadly for two purposes: it is traded as a digital currency exchange like other cryptocurrencies and is used inside Ethereum to run applications and even to monetize work. According to Ethereum, it can be used to “codify, decentralize, secure and trade just about anything.” One of the big projects around Ethereum is Microsoft’s partnership with ConsenSys which offers “Ethereum Blockchain as a Service (EBaaS) on Microsoft Azure so Enterprise clients and developers can have a single click cloud-based blockchain developer environment.”

Bitcoin Vs Ethereum

While both Bitcoin and Ethereum are powered by the principle of distributed ledgers and cryptography, the two differ in many technical ways. For example, the programming language used by Ethereum is Turning complete whereas Bitcoin is in a stack based language. Other differences include block time (Ethereum transaction is confirmed in seconds compared to minutes for Bitcoin) and their basic builds (Ethereum uses ethash while Bitcoin uses secure hash algorithm, SHA-256).

However, from a general point of view, Bitcoin and Ethereum differ in purpose. While Bitcoin is created as an alternative to regular money and is thus a medium of payment transaction and store of value, Ethereum is developed as a platform which facilitates peer-to-peer contracts and applications via its own currency vehicle. While Bitcoin and Ether are both digital currencies, the primary purpose of Ether is not to establish itself as a payment alternative (unlike Bitcoin) but to facilitate and monetize the working of Ethereum to enable developers to build and run distributed applications.

The Bottom Line

In sum, Ethereum is an advancement based on the principle of blockchain that supports bitcoin but with a purpose that does not compete with Bitcoin. However, the popularity and rising market capitalization of Ether brings it in competition with all cryptocurrencies, especially from the trading perspective. Currently, the market cap of Ether (ETH) is more than Ripple and Litecoin although it’s far behind Bitcoin (BTC). On the whole, Bitcoin and Ethereum are different versions using the blockchain technology, and are set to establish themselves, driven by different intentions.


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