{"id":5349,"date":"2026-09-08T00:02:43","date_gmt":"2026-09-07T15:02:43","guid":{"rendered":"https:\/\/blog.yeoshin.co.kr\/en\/ethereum-classic-etc-explained\/"},"modified":"2026-09-08T00:03:04","modified_gmt":"2026-09-07T15:03:04","slug":"ethereum-classic-etc-explained","status":"publish","type":"post","link":"https:\/\/blog.yeoshin.co.kr\/en\/ethereum-classic-etc-explained\/","title":{"rendered":"Ethereum Classic (ETC) Explained: The Original Blockchain"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/blog.yeoshin.co.kr\/en\/files\/2026\/09\/file-81.webp-81.webp\" alt=\"The historic hard fork that led to the creation of Ethereum and Ethereum Classic.\"\/><\/p>\n<div style=\"font-family: 'Noto Sans', sans-serif; line-height: 1.6; max-width: 800px; margin: 0 auto; font-size: 16px;\">\n<div style=\"background-color:#f5f5f5; padding:15px; border-radius:8px; font-style:italic; margin-bottom:25px; font-size:15px;\"><strong>[Ethereum Classic (ETC)]<\/strong> Ever wondered why there are two Ethereums? Dive into the fascinating history and mechanics of Ethereum Classic, the original blockchain that refused to rewrite history.<\/div>\n<p data-ke-size=\"size8\">&nbsp;<\/p>\n<p style=\"margin-bottom:15px;\">I still remember the first time I started exploring the world of cryptocurrencies. I wanted to buy some Ethereum, but when I searched on an exchange, two names popped up: Ethereum (ETH) and Ethereum Classic (ETC). I was so confused! Which one was the &#8220;real&#8221; one? Have you ever had a similar experience? \ud83d\ude0a It&#8217;s a common stumbling block for many beginners in the crypto space. Today, I want to take you on a journey to understand exactly what Ethereum Classic is, why it exists, and whether it&#8217;s still relevant today.<\/p>\n<p data-ke-size=\"size16\">&nbsp;<\/p>\n<h2 style=\"font-size:22px; color:#a0522d; margin:30px 0 15px; padding-bottom:8px; border-bottom:2px solid #d2b48c;\"><strong>The Birth of Ethereum Classic \ud83e\udd14<\/strong><\/h2>\n<p style=\"margin-bottom:15px;\">To understand ETC, we have to travel back to 2016. At that time, the Ethereum network was booming, and a massive project called &#8220;The DAO&#8221; (Decentralized Autonomous Organization) was launched. However, a hacker found a loophole and stole millions of dollars&#8217; worth of Ether.<\/p>\n<p style=\"margin-bottom:15px;\">The Ethereum community faced a massive dilemma. Do they alter the blockchain&#8217;s history to return the stolen funds to investors, or do they stick to the fundamental rule that <span style=\"background-color:#fffde7; padding:2px 4px; border-radius:3px;\">&#8220;Code is Law&#8221;<\/span> and the blockchain must remain immutable? The majority chose to rewrite history, creating what we now know as Ethereum (ETH). However, a passionate minority refused to alter the ledger. They stayed on the original, unaltered blockchain, which became <strong>Ethereum Classic (ETC)<\/strong>.<\/p>\n<div style=\"background-color:#fff3e0; border-left:4px solid #ffb74d; padding:15px; margin:20px 0; border-radius:0 8px 8px 0;\"><strong>\ud83d\udca1 Did you know!<\/strong><br \/>Ethereum Classic is actually the original Ethereum blockchain! It preserves the exact history of the network prior to the famous 2016 DAO hack.<\/div>\n<p data-ke-size=\"size16\">&nbsp;<\/p>\n<h2 style=\"font-size:22px; color:#a0522d; margin:30px 0 15px; padding-bottom:8px; border-bottom:2px solid #d2b48c;\"><strong>ETH vs. ETC: What&#8217;s the Difference? \ud83d\udcca<\/strong><\/h2>\n<p style=\"margin-bottom:15px;\">While they share the same origin, ETH and ETC have grown into entirely different ecosystems over the years. The most significant difference today is how they secure their networks.<\/p>\n<table style=\"width:100%; border-collapse:collapse; margin:20px 0;\">\n<thead>\n<tr>\n<th style=\"padding:12px; text-align:left; border:1px solid #ddd; background-color:#f5f5f5; font-weight:bold;\">Feature<\/th>\n<th style=\"padding:12px; text-align:left; border:1px solid #ddd; background-color:#f5f5f5; font-weight:bold;\">Ethereum (ETH)<\/th>\n<th style=\"padding:12px; text-align:left; border:1px solid #ddd; background-color:#f5f5f5; font-weight:bold;\">Ethereum Classic (ETC)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:12px; border:1px solid #ddd;\">Consensus Mechanism<\/td>\n<td style=\"padding:12px; border:1px solid #ddd;\">Proof of Stake (PoS)<\/td>\n<td style=\"padding:12px; border:1px solid #ddd;\">Proof of Work (PoW)<\/td>\n<\/tr>\n<tr style=\"background-color:#f9f9f9;\">\n<td style=\"padding:12px; border:1px solid #ddd;\">Supply Limit<\/td>\n<td style=\"padding:12px; border:1px solid #ddd;\">Infinite (with burn mechanics)<\/td>\n<td style=\"padding:12px; border:1px solid #ddd;\">Capped at 210.7 million ETC<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:12px; border:1px solid #ddd;\">Philosophy<\/td>\n<td style=\"padding:12px; border:1px solid #ddd;\">Social consensus &#038; upgrades<\/td>\n<td style=\"padding:12px; border:1px solid #ddd;\">Code is Law (Immutability)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"background-color:#ffebee; border-left:4px solid #f44336; padding:15px; margin:20px 0; border-radius:0 8px 8px 0;\"><strong>\u26a0\ufe0f Warning:<\/strong><br \/>Because ETC relies on Proof of Work and has a smaller network hash rate compared to Bitcoin, it has historically been susceptible to &#8220;51% attacks.&#8221; Always consider security risks when investing!<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/blog.yeoshin.co.kr\/en\/files\/2026\/09\/file-82.webp-82.webp\" alt=\"With Ethereum&#8217;s shift to PoS, miners flocked to Ethereum Classic to keep their rigs running.\"\/><\/p>\n<div style=\"font-family: 'Noto Sans', sans-serif; line-height: 1.6; max-width: 800px; margin: 0 auto; font-size: 16px;\">\n<h2 style=\"font-size:22px; color:#a0522d; margin:30px 0 15px; padding-bottom:8px; border-bottom:2px solid #d2b48c;\"><strong>Mining &#038; Economics of ETC \ud83e\uddee<\/strong><\/h2>\n<p style=\"margin-bottom:15px;\">Since Ethereum transitioned to Proof of Stake (an event known as &#8220;The Merge&#8221;), many crypto miners needed a new home for their hardware. Ethereum Classic became a prime destination! I find it fascinating how miners migrated to keep their equipment running.<\/p>\n<div style=\"background-color:#f5f5f5; padding:15px; border-radius:8px; margin:20px 0;\">\n<h3 style=\"font-size:18px; color:#333; margin:0 0 10px;\">\ud83d\udcdd Example: Miner Revenue Calculation<\/h3>\n<p style=\"margin-bottom:8px;\">Let&#8217;s say you want to estimate your potential mining revenue. The basic formula is:<\/p>\n<p style=\"margin-bottom:15px;\"><strong>Revenue = (Your Hashrate \/ Total Network Hashrate) &times; Block Reward &times; Blocks per Day<\/strong><\/p>\n<ul style=\"margin: 0 0 15px 20px; padding: 0;\">\n<li style=\"margin-bottom:8px;\">Step 1: Determine your rig&#8217;s hashrate (e.g., 500 MH\/s).<\/li>\n<li style=\"margin-bottom:8px;\">Step 2: Check current network hashrate and difficulty.<\/li>\n<li style=\"margin-bottom:8px;\">Step 3: Subtract your electricity costs from the gross revenue.<\/li>\n<\/ul>\n<\/div>\n<div style=\"background-color:#f8f9fa; padding:20px; border-radius:8px; margin:25px 0;\">\n<h3 style=\"font-size:18px; margin:0 0 15px; color:#a0522d;\">\ud83d\udd22 Simple Crypto ROI Estimator<\/h3>\n<p style=\"margin-bottom:15px; font-size:14px;\">Enter your investment amount and expected growth percentage to see your potential return.<\/p>\n<div style=\"display:flex; flex-wrap:wrap; margin-bottom:15px; align-items:center;\">\n<div style=\"width:100%; font-weight:bold; margin-bottom:5px;\">Investment Amount ($):<\/div>\n<p><input type=\"number\" id=\"investAmount\" placeholder=\"e.g., 1000\" style=\"width:100%; padding:10px; border:1px solid #ddd; border-radius:4px;\"><\/div>\n<div style=\"display:flex; flex-wrap:wrap; margin-bottom:15px; align-items:center;\">\n<div style=\"width:100%; font-weight:bold; margin-bottom:5px;\">Expected Growth (%):<\/div>\n<p><input type=\"number\" id=\"growthPercent\" placeholder=\"e.g., 20\" style=\"width:100%; padding:10px; border:1px solid #ddd; border-radius:4px;\"><\/div>\n<p><button onclick=\"calculateCryptoROI()\" style=\"background-color:#a0522d; color:white; border:none; padding:12px 20px; border-radius:4px; cursor:pointer; font-weight:bold;\">Calculate<\/button><\/p>\n<div id=\"roiResult\" style=\"display:none; margin-top:20px; padding:15px; background-color:#fff; border:1px solid #ddd; border-radius:4px;\"><\/div>\n<\/div>\n<p><script>function calculateCryptoROI(){var amount=parseFloat(document.getElementById('investAmount').value);var growth=parseFloat(document.getElementById('growthPercent').value);if(isNaN(amount)||isNaN(growth)){alert('Please enter valid numbers!');return;}var profit=amount*(growth\/100);var total=amount+profit;document.getElementById('roiResult').innerHTML='<strong>Estimated Profit:<\/strong> $'+profit.toFixed(2)+'<br \/><strong>Total Value:<\/strong> $'+total.toFixed(2);document.getElementById('roiResult').style.display='block';}<\/script><\/p>\n<h2 style=\"font-size:22px; color:#a0522d; margin:30px 0 15px; padding-bottom:8px; border-bottom:2px solid #d2b48c;\"><strong>The Future of Ethereum Classic \ud83d\udc69\u200d\ud83d\udcbc\ud83d\udc68\u200d\ud83d\udcbb<\/strong><\/h2>\n<p style=\"margin-bottom:15px;\">Is there a future for ETC? To be honest, it faces tough competition from newer, faster blockchains. However, its strict adherence to the &#8220;Code is Law&#8221; philosophy gives it a unique position as a <span style=\"background-color:#fff9c4; padding:2px 4px; border-radius:3px;\">true, uncompromising decentralized network<\/span>. It remains popular among purists who believe a blockchain&#8217;s history should never be tampered with under any circumstances.<\/p>\n<style>.single-summary-card-container { font-family: 'Noto Sans', sans-serif; display: flex; justify-content: center; align-items: center; padding: 20px 10px; background-color: #faf0e6; margin: 20px 0; } .single-summary-card { width: 100%; max-width: 700px; background-color: #ffffff; border-radius: 12px; box-shadow: 0 6px 18px rgba(0,0,0,0.12); padding: 25px; display: flex; flex-direction: column; overflow: hidden; border: 1px solid #d2b48c; } .single-summary-card .card-header { display: flex; align-items: center; border-bottom: 2px solid #a0522d; padding-bottom: 12px; margin-bottom: 12px; } .single-summary-card .card-header-icon { font-size: 34px; color: #a0522d; margin-right: 14px; } .single-summary-card .card-header h3 { font-size: 26px; color: #a0522d; margin: 0; line-height: 1.3; font-weight: 700; } .single-summary-card .card-content { flex-grow: 1; display: flex; flex-direction: column; justify-content: space-around; font-size: 17px; line-height: 1.65; color: #444; } .single-summary-card .card-content .section { margin-bottom: 10px; } .single-summary-card .card-content strong { color: #8b4513; font-weight: 600; } .single-summary-card .card-content .highlight { background-color: #fff9c4; padding: 2px 6px; border-radius: 3px; font-weight: bold; } .single-summary-card .card-footer { font-size: 14px; color: #777; text-align: center; padding-top: 12px; border-top: 1px dashed #d2b48c; margin-top: auto; }<\/style>\n<div class=\"single-summary-card-container\">\n<div class=\"single-summary-card\">\n<div class=\"card-header\"><span class=\"card-header-icon\">\ud83d\udca1<\/span><\/p>\n<h3>ETC Summary<\/h3>\n<\/div>\n<div class=\"card-content\">\n<div class=\"section\"><strong>\u2728 Origin:<\/strong> Created after the 2016 DAO hack to preserve the original history.<\/div>\n<div class=\"section\"><strong>\ud83d\udcca Mechanism:<\/strong> Continues to use <span class=\"highlight\">Proof of Work (PoW)<\/span> for network consensus.<\/div>\n<div class=\"section\"><strong>\ud83e\uddee Supply:<\/strong> Unlike ETH, ETC has a fixed maximum supply of 210.7 million.<\/div>\n<div class=\"section\"><strong>\ud83d\udc69\u200d\ud83d\udcbb Philosophy:<\/strong> Strictly adheres to the principle that &#8220;Code is Law.&#8221;<\/div>\n<\/div>\n<div class=\"card-footer\">*Cryptocurrency investments carry high risk. Always do your own research!<\/div>\n<\/div>\n<\/div>\n<div style=\"border-top:1px dashed #ddd; margin:30px 0;\"><\/div>\n<h2 style=\"font-size:22px; color:#a0522d; margin:30px 0 15px; padding-bottom:8px; border-bottom:2px solid #d2b48c;\"><strong>FAQ \u2753<\/strong><\/h2>\n<div style=\"margin:30px 0;\">\n<div style=\"margin-bottom:20px;\">\n<div style=\"font-weight:bold; margin-bottom:5px;\">Q: Is Ethereum Classic a dead coin?<\/div>\n<div style=\"padding-left:15px;\">A: Not at all! While it has less development activity than ETH, it still boasts a strong community, active trading volume, and a robust mining network.<\/div>\n<\/div>\n<div style=\"margin-bottom:20px;\">\n<div style=\"font-weight:bold; margin-bottom:5px;\">Q: Can I send ETH to an ETC wallet?<\/div>\n<div style=\"padding-left:15px;\">A: No! Sending ETH to an ETC wallet (or vice versa) can result in permanent loss of your funds. Always double-check the network before transferring.<\/div>\n<\/div>\n<div style=\"margin-bottom:20px;\">\n<div style=\"font-weight:bold; margin-bottom:5px;\">Q: Why did Ethereum Classic keep Proof of Work?<\/div>\n<div style=\"padding-left:15px;\">A: The ETC community believes PoW offers superior decentralization and security compared to PoS, aligning with their core philosophy.<\/div>\n<\/div>\n<div style=\"margin-bottom:20px;\">\n<div style=\"font-weight:bold; margin-bottom:5px;\">Q: What is the maximum supply of ETC?<\/div>\n<div style=\"padding-left:15px;\">A: ETC has a hard cap of 210.7 million coins, meaning no more will ever be created once that limit is reached.<\/div>\n<\/div>\n<div style=\"margin-bottom:20px;\">\n<div style=\"font-weight:bold; margin-bottom:5px;\">Q: Is ETC a good investment?<\/div>\n<div style=\"padding-left:15px;\">A: Like any crypto, it&#8217;s highly volatile. It appeals to those who value decentralization and immutability, but you must assess your own risk tolerance.<\/div>\n<\/div>\n<\/div>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is Ethereum Classic a dead coin?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not at all! While it has less development activity than ETH, it still boasts a strong community, active trading volume, and a robust mining network.\"}},{\"@type\":\"Question\",\"name\":\"Can I send ETH to an ETC wallet?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No! Sending ETH to an ETC wallet (or vice versa) can result in permanent loss of your funds. Always double-check the network before transferring.\"}},{\"@type\":\"Question\",\"name\":\"Why did Ethereum Classic keep Proof of Work?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The ETC community believes PoW offers superior decentralization and security compared to PoS, aligning with their core philosophy.\"}},{\"@type\":\"Question\",\"name\":\"What is the maximum supply of ETC?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"ETC has a hard cap of 210.7 million coins, meaning no more will ever be created once that limit is reached.\"}},{\"@type\":\"Question\",\"name\":\"Is ETC a good investment?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Like any crypto, it's highly volatile. It appeals to those who value decentralization and immutability, but you must assess your own risk tolerance.\"}}]}<\/script><\/p>\n<p style=\"margin-bottom:15px;\">Exploring the story of Ethereum Classic has always been one of my favorite topics in the crypto space. It really highlights how technology isn&#8217;t just about code; it&#8217;s about human philosophy and choices. Whether you see ETC as a relic of the past or the true vision of Ethereum, its impact on blockchain history is undeniable.<\/p>\n<p style=\"margin-bottom:15px;\">What do you think about the &#8220;Code is Law&#8221; philosophy? Do you prefer ETH or ETC? Let me know your thoughts in the comments below! \ud83d\ude0a<\/p>\n<\/div>\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"Dive into the fascinating history, mechanics, and future of Ethereum Classic\u2014the network that refused to rewrite its past.","protected":false},"author":1,"featured_media":5350,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"csco_singular_sidebar":"","csco_page_header_type":"","csco_page_load_nextpost":"","footnotes":"","rank_math_title":"Ethereum Classic (ETC) Explained: The Original Blockchain","rank_math_description":"Understand Ethereum Classic (ETC), the original blockchain behind the DAO hack. Learn key differences with ETH, PoW mining, and tokenomics in this guide.","rank_math_canonical_url":"","rank_math_focus_keyword":"Ethereum Classic, Ethereum Classic ETC, ETH vs ETC, Ethereum Classic explained, ETC mining"},"categories":[26],"tags":[454],"class_list":["post-5349","post","type-post","status-publish","format-standard","has-post-thumbnail","category-wiki","tag-ethereum-classic-etc-cryptocurrency-blockchain-proof-of-work-crypto-mining-ethereum-split","cs-entry"],"acf":[],"_links":{"self":[{"href":"https:\/\/blog.yeoshin.co.kr\/en\/wp-json\/wp\/v2\/posts\/5349","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.yeoshin.co.kr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.yeoshin.co.kr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.yeoshin.co.kr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.yeoshin.co.kr\/en\/wp-json\/wp\/v2\/comments?post=5349"}],"version-history":[{"count":2,"href":"https:\/\/blog.yeoshin.co.kr\/en\/wp-json\/wp\/v2\/posts\/5349\/revisions"}],"predecessor-version":[{"id":5352,"href":"https:\/\/blog.yeoshin.co.kr\/en\/wp-json\/wp\/v2\/posts\/5349\/revisions\/5352"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.yeoshin.co.kr\/en\/wp-json\/wp\/v2\/media\/5350"}],"wp:attachment":[{"href":"https:\/\/blog.yeoshin.co.kr\/en\/wp-json\/wp\/v2\/media?parent=5349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.yeoshin.co.kr\/en\/wp-json\/wp\/v2\/categories?post=5349"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.yeoshin.co.kr\/en\/wp-json\/wp\/v2\/tags?post=5349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}