{"id":39847,"date":"2019-12-17T14:01:41","date_gmt":"2019-12-17T13:01:41","guid":{"rendered":"https:\/\/www.coinpro.ch\/uncategorized\/the-big-overview-of-the-ethereum-hard-fork-istanbul\/"},"modified":"2025-08-08T17:10:23","modified_gmt":"2025-08-08T15:10:23","slug":"the-big-overview-of-the-ethereum-hard-fork-istanbul","status":"publish","type":"post","link":"https:\/\/www.coinpro.ch\/en\/ethereum-en\/the-big-overview-of-the-ethereum-hard-fork-istanbul\/","title":{"rendered":"The Big Overview of the Ethereum Hard Fork Istanbul"},"content":{"rendered":"<p>The Ethereum system has barely completed its hard fork called \u201cIstanbul\u201d when reports of the next event of this kind are already on the horizon. In January 2020, the next hard fork, \u201cMuir Glacier\u201d, is scheduled to follow Istanbul and bring further optimizations in terms of transaction times. However, many laypeople lack an understanding of what the hard fork on the second weekend of December is all about and what consequences this technological step has for the community. After all, the prospect of a significant increase in the number of transactions processed per second within the blockchain is only one component.    <strong>However, these should certainly not be underestimated for the upcoming development and importance in the market.<\/strong><\/p>\n<h2>What Exactly is a Hard Fork?<\/h2>\n<p>In order to understand the opportunities that arise from the Istanbul Hard Fork, it is necessary to understand the measure as such. Here is a brief summary of the topic. The term \u201cFork\u201d stands for a branch or bifurcation in the open software system, in this case in the universe of Ethereum. In many cases, different opinions of different developers (teams) are the starting point for such bifurcations in the system source code. Other reasons are also conceivable. As in the current case of the \u201cIstanbul bifurcation\u201d. The decentralized orientation of the blockchain ensures that developments within the source code proceed relatively slowly. Forks arise all by themselves as part of the further development. In the case of Ethereum, for example, Ethereum Classic presented itself some time ago as such a \u201csplit\u201d in the network.        <\/p>\n<script type=\"text\/plain\" data-tcf=\"waiting-for-consent\" data-id=\"20572\" data-bid=\"1\" data-placement=\"33872\">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<\/script><h2>Hard Fork vs. Soft Fork \u2013 Two Sides of the Same Coin<\/h2>\n<p>In addition to \u201cSoft Forks\u201d, \u201cHard Forks\u201d are the most common \u201cfork types\u201d. Soft forks are characterized by protocol upgrades that are compatible with older but not newer program versions. No new currencies are created. If there is a <a href=\"https:\/\/www.coinpro.ch\/en\/knowledge\/what-is-a-soft-fork-and-what-is-a-hard-fork\/\">hard fork<\/a>, it is a so-called \u201cabsolute protocol change\u201d for which all members must update their software. If this does not happen across the board, several individual chains can arise in a worst-case scenario. In addition, the aforementioned backward compatibility with earlier protocol versions is no longer applicable. Ideally, all miners in the network update their programs so that everything remains the same \u2013 only with new technological framework conditions. This is most likely to happen with planned and well-founded network upgrades.       <\/p>\n<h2>What is the Significance of the Ethereum Hard Fork Istanbul?<\/h2>\n<p>\u201cIstanbul\u201d is also often referred to as version 3.3. One improvement is, among other things, the significant correction in the inclusion of energy prices against the background of opcode costs. In addition, the system should be better protected against impending systemic failures due to the technical changes. It is also interesting that the past hard fork is intended to ensure, and probably will, that the Ethereum and Zcash systems move closer together and can interact better with each other. In the event of a case, forks can also create new or closer alliances in the cryptocurrency market.    <\/p>\n<h2>What Does the Software Update via Hard Fork Mean for Ethereum?<\/h2>\n<p>First and foremost, it should be mentioned here that the hard fork as a technical upgrade makes several positive changes recognizable \u2013 of course in a positive way, as one would expect from such a step. Within the Ethereum network, the now existing option to modify the system through a new solution using second-layer scaling is at the top. The result of \u201cIstanbul\u201d: The installation of this innovative solution offers users a TPS rate of 3,000 and more in the future. TPS stands for \u201cTransactions per Second\u201d. But this is only one aspect. At least as important for Ethereum users are undoubtedly the information on high data protection standards and increasing decentralization of importance. Both points could make Ethereum even more interesting for undecided investors compared to other systems such as Bitcoin or Litecoin.      <\/p>\n<p>In addition to the improved \u201cinteroperability\u201d with Zcash, it should also be mentioned that the developers want to enable the introduction of new contract variants (smart contracts) with more innovative functions.<\/p>\n<h2>Developers Had High Expectations from the Start<\/h2>\n<p>The originator of the second-layer implementation is the company Matter Labs. The same company received a grant from the Ethereum Foundation itself at the beginning of 2019 to give it the opportunity to start development work. The solution is based on the approach of a zero-knowledge proof. The result is called \u201cZK Sync\u201d and is the basis for the good solution when it comes to data protection. The developers also explicitly relied on the experience of users in their work. From an expert point of view, this decision was a wise one, which is also confirmed by the management of Matter Labs. The Ethereum system must continue to meet the technical requirements and application wishes of the members of the community even after the upgrade, they say.      <\/p>\n<h2>Transactions should also Become more Secure<\/h2>\n<p>Not to mention, of course, the system&#8217;s ability to realize a noticeably higher throughput for transactions. In any case, the decentralized aspect must be preserved. With the hard fork approach (as well as all those that are likely to come), Ethereum&#8217;s mass compatibility is to be promoted. The following criteria were summarized in the presentation on the hard fork:   <\/p>\n<ul>\n<li>exemplary privacy for users<\/li>\n<li>fast\/short execution times for transactions<\/li>\n<li>high transaction security<\/li>\n<li>low transaction costs and secure<\/li>\n<\/ul>\n<p>Transactions must of course also be processed smoothly and without delays. The ZK Sync approach is intended to meet these requirements through the Hard Fork Istanbul. The transactions made are now stored outside the blockchain, while the funds in the system are bound to the actual mainchain by smart contracts. In the course of the mandatory verification of transactions, no system damage should be possible in the future; at the same time, the risk of cybercriminals being able to steal funds is minimized. To get funds back, the involvement of the auditors involved is not required.    <\/p>\n<h2>Ethereum should be a Role Model for Transaction Processing<\/h2>\n<p>The declared goal of the Istanbul hard fork was and is ultimately to declare war on the \u201ccongestion\u201d in the system, which is often criticized. Dissatisfaction often arose because costs had sometimes risen drastically due to the high blockchain utilization. Ethereum now wants to say goodbye to these temporary problems. This primarily includes increasing the aforementioned transaction volume per second. ETH founder Vitalik Buterin, for example, has repeatedly criticized the fact that the blockchain has not yet reached the limits of its potential.    <\/p>\n<p>More <a href=\"https:\/\/www.coinpro.ch\/en\/insights-en\/\">knowledge and background information on cryptocurrencies<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Ethereum system has barely completed its hard fork called \u201cIstanbul\u201d when reports of the next event of this kind are already on the horizon. In January 2020, the next hard fork, \u201cMuir Glacier\u201d, is scheduled to follow Istanbul and bring further optimizations in terms of transaction times. However, many laypeople lack an understanding of&#8230;<\/p>\n","protected":false},"author":6,"featured_media":35064,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[17319,17331],"tags":[17501],"class_list":["post-39847","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ethereum-en","category-knowledge","tag-ethereum-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>The Big Overview of the Ethereum Hard Fork Istanbul - CoinPro.ch<\/title>\n<meta name=\"description\" content=\"CoinPro.ch: Ethereum Hard Fork Istanbul Overview.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.coinpro.ch\/en\/ethereum-en\/the-big-overview-of-the-ethereum-hard-fork-istanbul\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Big Overview of the Ethereum Hard Fork Istanbul\" \/>\n<meta property=\"og:description\" content=\"CoinPro.ch: Ethereum Hard Fork Istanbul Overview.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.coinpro.ch\/en\/ethereum-en\/the-big-overview-of-the-ethereum-hard-fork-istanbul\/\" \/>\n<meta property=\"og:site_name\" content=\"CoinPro.ch\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/coinpro.ch\/\" \/>\n<meta property=\"article:author\" content=\"coinpro.ch\/\" \/>\n<meta property=\"article:published_time\" content=\"2019-12-17T13:01:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-08T15:10:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.coinpro.ch\/wp-content\/uploads\/2019\/12\/Ethereum-hardfork-istanbul.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1018\" \/>\n\t<meta property=\"og:image:height\" content=\"732\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Paul\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@CoinproCH\" \/>\n<meta name=\"twitter:site\" content=\"@CoinproCH\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"Paul\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"5\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.coinpro.ch\\\/en\\\/ethereum-en\\\/the-big-overview-of-the-ethereum-hard-fork-istanbul\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.coinpro.ch\\\/en\\\/ethereum-en\\\/the-big-overview-of-the-ethereum-hard-fork-istanbul\\\/\"},\"author\":{\"name\":\"Paul\",\"@id\":\"https:\\\/\\\/www.coinpro.ch\\\/en\\\/#\\\/schema\\\/person\\\/bbfd28c5e051014b104fe21ced32d1e9\"},\"headline\":\"The Big Overview of the Ethereum Hard Fork Istanbul\",\"datePublished\":\"2019-12-17T13:01:41+00:00\",\"dateModified\":\"2025-08-08T15:10:23+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.coinpro.ch\\\/en\\\/ethereum-en\\\/the-big-overview-of-the-ethereum-hard-fork-istanbul\\\/\"},\"wordCount\":1090,\"publisher\":{\"@id\":\"https:\\\/\\\/www.coinpro.ch\\\/en\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.coinpro.ch\\\/en\\\/ethereum-en\\\/the-big-overview-of-the-ethereum-hard-fork-istanbul\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.coinpro.ch\\\/wp-content\\\/uploads\\\/2019\\\/12\\\/Ethereum-hardfork-istanbul.png\",\"keywords\":[\"Ethereum\"],\"articleSection\":[\"Ethereum\",\"Knowledge\"],\"inLanguage\":\"de\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.coinpro.ch\\\/en\\\/ethereum-en\\\/the-big-overview-of-the-ethereum-hard-fork-istanbul\\\/\",\"url\":\"https:\\\/\\\/www.coinpro.ch\\\/en\\\/ethereum-en\\\/the-big-overview-of-the-ethereum-hard-fork-istanbul\\\/\",\"name\":\"The Big Overview of the Ethereum Hard Fork Istanbul - 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