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      "body": "Congratulations @notax! You received a personal award!\n\n<table><tr><td>https://steemitimages.com/70x70/http://steemitboard.com/@notax/birthday1.png</td><td>Happy Birthday! - You are on the Steem blockchain for 1 year!</td></tr></table>\n\n<sub>_You can view [your badges on your Steem Board](https://steemitboard.com/@notax) and compare to others on the [Steem Ranking](http://steemitboard.com/ranking/index.php?name=notax)_</sub>\n\n\n**Do not miss the last post from @steemitboard:**\n<table><tr><td><a href=\"https://steemit.com/steemitboard/@steemitboard/the-steem-blockchain-survived-its-first-virus-plague\"><img src=\"https://steemitimages.com/64x128/https://steemitimages.com/0x0/![](https://cdn.steemitimages.com/DQmYKnawrtqFCShyVvVs4QS7548eretcMUKQJc3D2f69pb9/image.png)\"></a></td><td><a href=\"https://steemit.com/steemitboard/@steemitboard/the-steem-blockchain-survived-its-first-virus-plague\">The Steem blockchain survived its first virus plague!</a></td></tr></table>\n\n###### [Vote for @Steemitboard as a witness](https://v2.steemconnect.com/sign/account-witness-vote?witness=steemitboard&approve=1) to get one more award and increased upvotes!",
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      "body": "Welcome to Steem notax! Partiko is a fast and beautiful mobile app for Steem and unlike other Steem apps, we take 0% cut of your earnings! You can also be rewarded Partiko Points while using Partiko and exchange Partiko Points for upvotes!\n\nPartiko for Android can be downloaded [here on Google Play](https://play.google.com/store/apps/details?id=io.partiko.android) and the iOS version is available [here on the App Store](https://itunes.apple.com/us/app/partiko/id1401033260?mt=8).\n\nIf you have more questions, feel free to join our [Discord channel](https://discord.gg/N7Et97G) and ask @crypto.talk, we're always here to help!\n\nThank you so much for your interest!",
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      "body": "Wanted to welcome you to Steemit & be one of your first upvotes. For me, the 2 best things about being a Steemian are sharing and automation. The sharing part is when you upvote someone else's post, you get a piece of the curation (money/crypto) from that post (and vice versa). The automation comes from using  [steemauto.com](http://steemauto.com/)  to auto upvote so you can literally make crypto (Steem) in your sleep.\n\nFor example, we can share the curation on my post from today called \"[Swimming with a Chinese Softshell Turtle](https://steemit.com/travel/@stewsak/bndn4bu9)\" by upvoting it (The Sharing). The amount of money is shown in the post.\n\nAfter signing in to  [steemauto.com](http://steemauto.com/)  using Steemconnect (a part of the Steem blockchain), come back and click here:   \"[Stewsak Fanbase](https://steemauto.com/dash.php?i=2&fan=stewsak)\" and follow to upvote and receive a piece of the curation to all of my posts (the automation). Sharing is beautiful and I would love to share the piece of the money/crypto with you on *all* of my post. I look forward to reading your post in the near future and if you have any questions, ask away :) Have an outstanding week!\n\n\"Wishing you the best...\"\n\n# @stewsak",
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      "title": "Welcome to Steem!",
      "body": "<center>\nWelcome to Steem @notax. <br/><br/>Do read [A thumb rule for steemit minnows - 50:100:200:25](https://steemit.com/steemit/@steemladder/a-thumb-rule-for-steemit-minnows-50-100-200-25) for starter tips. <br/> <br/>Spend time reading [Steem Blue Paper](https://steem.io/steem-bluepaper.pdf) to know how Steem blockchain works and if you still have any queries ask them on our [Ask me anything about Steemit post](https://steemit.com/steem/@steemladder/there-are-no-dumb-questions-ask-anything-you-want-to-know-about-steem-blockchain) and we will try to answer that.<br/><br/>All the Best!!!\n</center>",
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      "title": "Introducing @notax | Love Blockchain and Crypto",
      "body": "<html>\n<p>Hello Steemians! I'm @notax</p>\n<p><br></p>\n<p>It was April this year when I first joined Steemit.</p>\n<p>I'm a beginner.</p>\n<p>I decided to start posting in earnest, and I started writing from a while ago.</p>\n<p>I cannot write much because I do not have enough STEEM POWER. (T.T)</p>\n<p>Initially, I didn't know what to do. It seems like people are introducing themselves and communicating.</p>\n<p>I thought it was over when I wrote my own. (it's really hard to find out what's going on here at first)</p>\n<p><br></p>\n<p>First, let me introduce myself briefly.</p>\n<p>I am a system engineer.</p>\n<p>I work in Korea and I am interested in blockchain and cryptocurrency.</p>\n<p>So I'm going to write about them.</p>\n<p><br></p>\n<p><img src=\"https://2.bp.blogspot.com/-YC5n--gnh-4/W7xbjt5JUuI/AAAAAAAAULs/M1bvDJoITCsQjDNNXmEcaboDcvOsH6IYACLcBGAs/s640/blockchain-3357567_960_720.jpg\" width=\"640\" height=\"320\"/></p>\n<p><br></p>\n<p>I started by sharing various information on Steemit and wanting to make a small amount of money.</p>\n<p>I would like a lot of help. I will try hard with a small goal!</p>\n<p>Have a nice day!</p>\n</html>",
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      "title": "About DEX(Decentralized exchange)",
      "body": "@@ -5836,37 +5836,34 @@\n rong%3Edecentraliz\n-ation\n+ed\n  exchange%3C/stron\n",
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      "title": "About DEX(Decentralized exchange)",
      "body": "<html>\n<p>Since bitcoin was created in 2008 and another cryptocurrency was born, many people began to trade cryptocurrency. Market cap and trading volumes are steadily rising and more people are trading cryptocurrency online.</p>\n<p><br></p>\n<p>Through the so-called <strong>exchange</strong>, you can buy and sell different cryptocurrencies in either ordinary currencies or other cryptocurrencies. The cryptocurrency exchange plays an important role in the cryptocurrency ecosystem by enabling it to purchase cryptocurrencies in the currency like US Dollars.</p>\n<p>However, most cryptocurrency exchanges, such as Binance, OKEx, and Bitfinex which we commonly call exchange, are <strong>centralized exchanges</strong>. Transactions are made on a centralized database of exchange servers, not on a blockchain basis. Because of this, many problems have been raised.</p>\n<p><br></p>\n<p><img src=\"https://3.bp.blogspot.com/-_CJ845_2V7s/W7mLin04GnI/AAAAAAAAUK4/2E6eQOlxhiMXTgcndPEKtt2pp5xHOVYzACLcBGAs/s640/%25EC%259D%25B4%25EB%25AF%25B8%25EC%25A7%2580%2B3.png\" width=\"640\" height=\"419\"/></p>\n<p><br></p>\n<h1>The problem of a centralized cryptographic exchange</h1>\n<p>The most common problem is<strong> security vulnerability</strong>. Blockchain technology, which is the basis of cryptocurrency, uses decentralized distributed data storage technology, so it is safe from cyber attacks such as hacking. However, the cryptocurrency exchange itself does not use blockchain technology and is therefore vulnerable. Many exchanges, such as Mt. Gox, Poloniex, Bithumb, and Coinrail have already been hacked by attackers. The victims did not get proper compensation from the exchange. Most transactions are stored on their own servers and are vulnerable to hacking attacks.</p>\n<p>There is also a problem with <strong>stability</strong>. If a lot of users are involved in the exchange server, the processing time of the sale or withdrawal will be delayed, and the server itself may be down, which may cause damage to investors. It took several days to deposit and withdraw from the Bithumb exchange, and Bittrex was freezing or slow responding to the pricing indicators at all.</p>\n<p>This centralized exchange has problems such as hacking, delays in transactions, and obstacles that require investors to use the exchange at a high level of risk. Demand for <strong>decentralized exchanges</strong> is increasing as confidence in existing exchanges declines.</p>\n<p><br></p>\n<h1>The emergence of decentralized cryptocurrency exchange</h1>\n<p>The decentralized exchange does not use its own central server to hold your funds. You do not have to trust a third party because it allows you to make direct transactions with users through automated processes and is done with smart contract.</p>\n<p>There are already many decentralized exchanges such as EtherDelta, 0x, Bancor, etc., and Binance and Bithumb are also preparing to launch a decentralized cryptographic exchange.</p>\n<p><br></p>\n<p>Decentralized exchange seems to be much better because there is no risk of hacking, but there are problems too.</p>\n<p>There is a <strong>lack of volume and liquidity</strong>. This is because exchanges are not well known and the amount of transactions is low. This is not only a decentralized exchange but also a centralized exchange.</p>\n<p>There is also a problem with the<strong> speed of trading</strong>. Because it uses smart contract, the amount of transactions that can be processed per unit time is less than the centralized exchange. That means it takes longer to trade. This raises the question of whether we can respond to changing prices every minute or every second. This is a structural limitation of the blockchain technology. Therefore, people are trying to find a solution through various attempts such as generating a transaction only when a transaction is confirmed.</p>\n<p>It is also one of the <strong>side effects of the pre-sale of the minors</strong> who are aiming for the market profit due to delays in trading. Everyone can see all the transactions, so they see the tokens that the price will go up with the mass purchase, and then they get a profit on the market by putting a sale transaction.</p>\n<p><br></p>\n<p><img src=\"https://3.bp.blogspot.com/-p22ijj8DLAw/W7mLitZyUhI/AAAAAAAAUK0/mkF1VzSx5nofHrzVnNTWnqa8EZfM0m0OQCLcBGAs/s640/9980FD395BB8415022.jpg\" width=\"640\" height=\"480\"/></p>\n<p><br></p>\n<p>In addition to this problem, since the transaction between the cryptocurrency and the real currency is made, the intervention of the central institution such as the bank is indispensable, so the introduction of the decentralization exchange is premature.</p>\n<p>Both centralized and decentralized exchanges have advantages and disadvantages, and a <strong>hybrid exchange</strong> that takes advantage of these advantages is emerging as a new alternative. It is a model that implements P2P blockchain transaction as order system of decentralization exchange while speeding up transaction by using transaction method of centralized exchange.</p>\n<p><br></p>\n<h1>Conclusion</h1>\n<p>With the development of blockchain technology and the introduction of new technology cryptocurrency, a cryptocurrency exchange that plays an important role in the ecosystem is also developing. Although a decentralized exchange has emerged due to the problems of centralized exchanges, there are many inconveniences to use and some problems to solve. In addition, the government will have to regulate the cryptocurrency market. Centralized exchanges that meet regulatory requirements and are highly efficient are likely to lead the market for a while. However, the essence of the blockchain platform is in decentralization. With the new technology flow, I thinks that decentralization of the exchange will accelerate.</p>\n<p>Currently, the '<strong>decentralization exchange</strong>' market is still in its infant stage, and there are not many transactions. This includes the desire to allow market participants to securely trade cryptocurrency without using a platform operated by a specific institution. Could such a wish come true? The cryptocurrency exchange also seems to be in the experimental stage, like several cryptocurrencies. I wonder if the experiment will flow in any direction and whether it will bring abundance to our lives.</p>\n<p><br></p>\n<p><br></p>\n</html>",
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      "body": "<html>\n<h1>Beyond the sea of information</h1>\n<p>We have lived in the sea of information since <strong>Internet</strong> has appeared in the world and has come across various new technologies such as <strong>e-mail, social media, big data, and the Internet of things</strong>. The Internet has brought a positive change in the world as a whole, but it also has serious limitations. It infringes on privacy as much as it brings abundance. Online communications and transactions have increased, but cybercrime has also increased. Developers were struggling with security, privacy breaches, and so on. Protocols have been developed and many improvements have been made, but the infrastructure of the Internet is vulnerable to security, so we could not rule out <strong>the existence of third parties</strong>. People had to trust a third party as much as they did in a money transaction.</p>\n<p>Then, in 2008, the global financial industry collapsed, and anonymously someone (or several) named <strong>Satoshi Nakamoto</strong> conceived a new protocol. By using a <strong>bitcoin</strong>, a cryptocurrency, it is possible to establish rules by distributed calculation, and to ensure the authenticity by exchanging data through a large number of devices without third party verification. The emergence of this new technology has created a stir in the world. The establishment of vested interests boasted and despised, but political idealists saw freedom and revolution in this technology, and computer engineers hung on the great potential of this technology.</p>\n<blockquote>“Bitcoin is just one example of something that uses a blockchain. Cryptocurrencies are just one example of decentralized technologies. And now that the Internet is big enough and diverse enough, I think we will see different flavors of decentralized technologies and blockchains. I think decentralized networks will be the next huge wave in technology. The blockchain allows our smart devices to speak to each other better and faster.”<br>\nMelanie Swan, author of Blockchain: Blueprint for a New Economy</blockquote>\n<h1>What is blockchain?</h1>\n<p>It is a distributed data storage technology that transparently records transactions on a ledger that anyone can read, and replicates them to multiple computers and stores them. Several computers verify the record to prevent hacking.</p>\n<p><img src=\"https://3.bp.blogspot.com/-B0RoYhjcsWQ/W7VwNR_yWPI/AAAAAAAAUKM/WcmGAsuX-7U2bsH-r_-amcper6rGGmzzwCLcBGAs/s640/%25EC%259D%25B4%25EB%25AF%25B8%25EC%25A7%2580%2B3.png\" width=\"640\" height=\"472\"/></p>\n<p>Bitcoin was developed using a <strong>distributed data storage technique</strong> called a <strong>blockchain</strong>. It is a method of storing data in a block and connecting it in a chain form to replicate it to many computers around the world simultaneously. Data is not stored in a file somewhere, so it does not need to be kept on a centralized server, and there is no database exposed to hacking. It is always on the network so anyone can see the history. Every time a transaction occurs in a blockchain, all trading partners share and collate information, making it impossible to forge or tamper with the data. You do not have to worry about security vendors being vulnerable to fraudulent firewalls or financial institutions.</p>\n<p>Let's compare the transaction between the existing bank and bitcoin.</p>\n<p>In order to transfer money to a person named A, he had to <strong>pay a fee to the intermediary supervisory bank and get certified</strong>.</p>\n<p>However, when sending a bitcoin, people who access the Internet will <strong>authenticate the transaction and share the transaction ledger without a separate certification authority</strong>. If you do not need to pay a bank fee and only have an Internet connection, you can transfer money from anywhere in the world. This is made possible through blockchain technology that works in P2P mode.</p>\n<p><img src=\"https://3.bp.blogspot.com/-Uip_Z6_-E7o/W7VwNYccPWI/AAAAAAAAUKI/4Ftr3RJn2Wc_YQnbrSAQcfgdoleyYa3jwCLcBGAs/s640/9916313E5BA79F192A.jpg\" width=\"615\" height=\"467\"/></p>\n<p>But the blockchain is not all perfect. There is anxiety that network participants can trust each other. If someone tries to manipulate a block of a chain, you can manipulate it if you invest more than half of the network's computational resources. Fortunately, however, this concern disappears with regard to bitcoin. In order to steal the bitcoin <strong>it is virtually impossible to rewrite the history of all the blocks in the blockchain</strong>. Concerns have emerged that the development of quantum computers with innovative computational capabilities and computational speeds can threaten blockchain technology, but it is generally accepted by academia that there is no credibility. (It is still under debate among experts, as to whether the speed of development of the blockchain technology can be overtaken by a quantum computer to break Bitcoin's security system.) Theoretically it is possible, but it is practically impossible.</p>\n<h1>What are the application areas of the blockchain?</h1>\n<p>You cannot think of a blockchain as limited to a bitcoin. There are many pieces of information that can be stored in a blockchain, so the area in which this technology can be used is also very broad. All transaction activity will be recorded in a publicly distributed ledger that can be seen by anyone accessing the Internet, thereby reducing financial fraud. Because it can not be falsified, it can be used to track the distribution process or to authenticate the artwork. You will be able to have your will or contract executed on your own, and you will not have to manipulate the patent date. It can also be used to manage medical records shared between hospitals.</p>\n<p>In fact, Estonia currently operates an e-government system based on blockchain. When the patient visits the hospital, the information recorded in the digital ID and the patient's medical history are transmitted to the doctor. It is very useful when it is difficult to communicate like an older person or unconscious patient. In case of an emergency, the ambulance will send the records to the hospital in advance so that quick treatment can be done. Thus, the blockchain can be used in <strong>various fields requiring reliability</strong>.</p>\n<p><img src=\"https://4.bp.blogspot.com/-yfMBuCw_Q3Y/W7VwNaIDDwI/AAAAAAAAUKQ/qKEjQcb1IwE7mRdKjJdqbx3fyzrt89QgQCLcBGAs/s640/99C9BD375BA79F311A.jpg\" width=\"640\" height=\"400\"/></p>\n<h1>Conclusion</h1>\n<p>Like the dot-com boom in the 1990s, the investment in blockchain start-ups is increasing. Investing in cryptocurrency is so overheated that speculators and criminals are jumping. There are side effects such as ponzi scheme, but it should be spread well. Obviously, with the advent of blockchain, those who provide trust services, such as banks and notaries, have come up with a huge challenge to their survival. This is because bitcoin networks that use blockchain technology can bypass traditional financial sanctions. These new networks can evolve to create a<strong> safer and more reliable society</strong>. Many countries seem to have a lukewarm attitude in adopting the blockchain technology. But the development of technology is an irreversible flow. How will the government, the finance, and the lawmaking agency accept the block chain in the future? And what will happen to our lives?</p>\n</html>",
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      "body": "<html>\n<p><img src=\"https://4.bp.blogspot.com/-v0AmvlqP9kI/W7T6E8ZgOTI/AAAAAAAAUJ0/slHlEtWHE5cQrmYZsabiIfMmix3NfpGJwCLcBGAs/s640/%25EC%259D%25B4%25EB%25AF%25B8%25EC%25A7%2580%2B2.png\" width=\"640\" height=\"419\"/></p>\n<p>The concept of bitcoin is difficult to define in a word. Because we need to know a lot of concepts on the ground. Let's dig into bitcoin which is representative of cryptocurrency.</p>\n<p>First of all, I will go over the concept of money.</p>\n<h1>What is Money?</h1>\n<ul>\n  <li>[Noun] &lt;Economy&gt; A measure of the value of exchange of goods, generalized means of mediating its exchange. Coins, banknotes, and so on.</li>\n</ul>\n<p>There are many kinds of currencies in addition to the dollar, which is the currency we use in the world. Let's take an example.</p>\n<p>Let's say you play Overwatch. To buy a character's skin, you need to pay a certain amount of 'league tokens'. It's a deal with a 'league token'. 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I am going to the US subprime mortgage crisis in 2007.</p>\n<p><img src=\"https://1.bp.blogspot.com/-oZQ96RyrrZs/W7T6D_s-wDI/AAAAAAAAUJw/7Q2H3D3i5Zgbz9q8hJEHxjQsyhtGg0MQACLcBGAs/s640/99A7A0455BA5FBB538.jpg\" width=\"640\" height=\"426\"/></p>\n<p>At the time of the subprime mortgage crisis, US super-large mortgage lenders went bankrupt, and this caused a global credit crunch that adversely affected the real economy. The key currency, the dollar, has plummeted, prices have risen, and interest rates have bottomed out. There was hyperinflation. We have witnessed the collapse of the dollar, the key currency. The United States has implemented a quantitative easing policy to remedy this. The US federal bank that has the currency issue right took out the dollar and used it to repay the debts of the company and the country that have become insolvent.</p>\n<p>Satoshi Nakamoto, who developed bitcoin for the first time, seems to have dreamed of a change in the dollar-based system of money. Distrust of the state, distrust of the government, distrust of the dollar, and these were the occasions for making bitcoin.</p>\n<p><img src=\"https://3.bp.blogspot.com/-YpDa9fNxHjg/W7T6D2pAG_I/AAAAAAAAUJs/thI3c4VLXOU0Q2Q5-Z0lnWNkf5CJe53GgCLcBGAs/s640/9939284C5BA5FBF601.jpg\" width=\"640\" height=\"426\"/></p>\n<p>Bitcoin is different from PayPal, which is an online payment platform. PayPal allows you to make payments to any Internet shopping mall around the world, regardless of currency or bank type, but the system has its owner. It was a payment instrument that was constrained to be centrally controlled by someone. The financial crisis caused by the subprime mortgage crisis has caused many people to become unemployed. This case was caused by the 'deep pockets' that hold the international financial environment. This awareness has led to the idea of implementing a money system that is managed by people.</p>\n<blockquote>\"What is needed is an electronic payment system based on cryptographic proof instead of trust,\"<br>\n- Sathoshi Nakamoto, \"Bitcoin: A Peer-to-Peer Electronic Cash System\" 2008 -</blockquote>\n<h1>Features of bitcoin</h1>\n<p>The bitcoin is made and released to the world. There is no restriction on the border, and even on the day when the bank breaks, there is almost no commission paid. The money without the owner, which is traded without the intervention of the government, the central bank, and the financial institution, comes into being. Bitcoin can prevent fraud, such as forgery or duplex, without the involvement of a third party such as a bank. Bitcoin transactions are recognized as reliable transactions without any control, thanks to network technology called blockchain.</p>\n<p>Since there is no owner, bitcoin does not have a clear issuing agency. Instead, anyone can get a bitcoin through a task called mining that solves a complex function. Mining is the process of solving math problems with a computer. However, the problem to get a bitcoin is very difficult, so it takes about five years for a general PC. The difficulty of mining is getting higher and higher. So a mining expert or company with a server-level workstation emerged. There are many brokerage sites that can trade cryptocurrencies such as bitcoin, ethereum, and so on.</p>\n<p>The bitcoin system generates currency and supports transaction authentication, but does not support exchanges with other currencies. Therefore, it is possible to trade between common currency and bitcoin only through a separate exchange, like Bitforex, Binance, and Bitfinex. Bitcoin can deal with non-face-to-face as well, and the number of shops and people who appreciate the value of it makes it increasingly popular. In Japan, there is an increasing number of franchisees that pay for bitcoin. With a bitcoin you do not have to calculate the exchange rate, but there is a fee. It is a system that goes back to the person who took out the first bitcoin.</p>\n<p><img src=\"https://3.bp.blogspot.com/-VNASv3xsVyI/W7T6D-ogAqI/AAAAAAAAUJo/nMumcfeVK5Qu2x5jwfhtubIe9tVk2HD5wCLcBGAs/s640/99F8CB4C5BA5FC5D17.jpg\" width=\"640\" height=\"480\"/></p>\n<p>Bitcoin based on blockchain technology has clear limits despite innovativeness.</p>\n<h3>&lt;Limit of bitcoin&gt;</h3>\n<ol>\n  <li>Due to the nature of the blockchain, transaction cancellation is not possible if transactions are approved and the transaction contents are stored in the blockchain</li>\n  <li>We do not ask for personal information, but because the transaction is open to everyone, we can track if we know who owns the bitcoin address, so we can not guarantee the confidentiality of the transaction itself.</li>\n  <li>There is no way to revoke a private key containing a bitcoin if it is stolen or lost.</li>\n</ol>\n<p>Due to these limitations, there is the development of so-called altcoins, such as Ethereum, which has built a new blockchain network.</p>\n<p>There are also various national differences in bitcoin. 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I am going to the US subprime mortgage crisis in 2007.</p>\n<p><img src=\"https://1.bp.blogspot.com/-oZQ96RyrrZs/W7T6D_s-wDI/AAAAAAAAUJw/7Q2H3D3i5Zgbz9q8hJEHxjQsyhtGg0MQACLcBGAs/s640/99A7A0455BA5FBB538.jpg\" width=\"640\" height=\"426\"/></p>\n<p>At the time of the subprime mortgage crisis, US super-large mortgage lenders went bankrupt, and this caused a global credit crunch that adversely affected the real economy. The key currency, the dollar, has plummeted, prices have risen, and interest rates have bottomed out. There was hyperinflation. We have witnessed the collapse of the dollar, the key currency. The United States has implemented a quantitative easing policy to remedy this. The US federal bank that has the currency issue right took out the dollar and used it to repay the debts of the company and the country that have become insolvent.</p>\n<p>Satoshi Nakamoto, who developed bitcoin for the first time, seems to have dreamed of a change in the dollar-based system of money. 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      "body": "제가 감사하죠 ㅎㅎ\n도움됬으면 좋겠습니다 !",
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      "title": "",
      "body": "**Coins mentioned in post:**\n\nCoin | | Price (USD) | 📈 24h | 📈 7d\n- | - | - | - | -\n**BTC** | Bitcoin | 9333.340$ | _4.69%_ | _15.69%_\n**ETH** | Ethereum | 701.925$ | _8.84%_ | _36.9%_\n**ICX** | ICON | 4.271$ | _12.74%_ | _50.06%_\n**OMG** | OmiseGO | 16.923$ | _8.61%_ | _15.37%_",
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      "title": "",
      "body": "다음에 시간 내서 읽어봐야겠어요. 감사합니다!",
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      "author": "notax",
      "permlink": "vs-vs-vs",
      "title": "블록체인 vs 프로토콜 vs 코인 vs 토큰",
      "body": "안녕하세요. notax입니다.\n\n오늘은 <b>블록체인, 프로토콜, 코인, 토큰</b> 이 네 가지에 대한 차이점을 소개해보겠습니다.\n아래 그림을 보고 이해한다면 조금 쉬울 것 같습니다.\n\n![11.jpg](https://steemitimages.com/DQmNWQJ6futSxx9H6inhQwxAj5jCNVozCR4Zz6j9xGxKihp/11.jpg)\n\n우선 <b>블록체인</b>이란? 간단하게 '분산 데이터 저장 기술'을 말합니다.\ntechnology란 idea라고 할 수도 있죠.\n이러한 technology, idea를 가지고 사람들이 코인, 토큰이라는 것을 만들게 된 것입니다.\n\n제일 처음으로 만들어진 것이 비트코인이죠. 비트코인은 암호화폐이자 하나의 '시스템'입니다.\n비트코인 논문 제목에서도 알 수 있죠.\nBitcoin: A Peer-to-Peer Electronic Cash System\n\n\n이러한 시스템에는 프로토콜이 정의되어있습니다.\n<b>프로토콜</b>이란? '우리가 다른 이랑 어떻게 커뮤니케이션 하는지를 정의한 것'이라 할 수 있습니다.\n\n블록체인이라는 기술 위에 프로토콜이 만들어지는 것입니다.\n비트코인은 비트코인만의 프로토콜이 있고, 이더리움은 이더리움 만의 프로토콜이 있습니다.\n블록체인이라는 idea를 사용하는 것만 같고, 비트코인과 이더리움은 서로 다릅니다.\n\n비트코인, 이더리움 등에서는 각 노드에 얼마만큼의 디지털 자산이 있는지 정의되어 있습니다.\n프로토콜이 이 디지털 자산을 정의하는데 이를 우리는 <b>코인</b>이라고 부르는 것입니다. BTC, ETH 등이 있죠.\n\n프라이빗 블록체인인 하이퍼레저 패브릭에는 이러한 코인이 없습니다.\n\n\n<b>스마트 컨트렉트</b>란? '계약 결과가 명확하고, 계약 내용을 즉시 이행할 수 있도록 한 것'을 말합니다.\n간단하게 자판기를 생각하면 될 것 같습니다.\n내가 얼만큼의 돈을 자판기에 넣으면 중간 개입자 없이 어떤 음료를 뽑아 마실 수 있다는 걸 보장받게 되죠.\n\n블록체인 기술에서 스마트 컨트렉트란 블록체인에 배포되는 일종의 코드를 말합니다.\n비트코인은 비트코인 스크립트라는 스마트 컨트렉트가 있는데 반복문을 사용할 수 없고, 비트코인 잔액 외 다른 정보를 관리 할 수 없는 한계가 있습니다.\n이러한 한계를 극복하고 나온 것이 이더리움입니다.\n\n\n이더리움은 개발자들이 자신만의 스마트 컨트렉트를 만들 수 있도록 해줍니다.\n독자 코인인 ETH 외에 다른 디지털 객체의 상태를 저장하는 방식을 허용하여 다양한 재화를 이더리움 네트워크 위에 만들고 거래할 수 있게 되었습니다.\n\n이러한 이더리움 플랫폼 위에서 개발자가 작성한 스마트 컨트렉트(코드)에 의해 ETH와는 다른 디지털 재화, <b>토큰</b>이 정의되는 것입니다. OmiseGO, ICON 등이 이더리움 기반의 토큰입니다.\n\n우리가 암호화폐(cryptocurrency)라 부르는 것은 코인, 토큰을 모두 합친 것이라 할 수 있죠.\n\n\n요약하자면 다음과 같습니다.\n\n<ul>\n<li>블록체인은 분산 데이터 저장 기술이다.</li>\n<li>프로토콜은 블록체인 기술 위에서 노드 간에 커뮤니케이션하는 방법을 정의한 것이다.</li>\n<li>코인은 프로토콜에 의해 정의된다.</li>\n<li>토큰은 스마트 컨트렉트에 의해 정의된다.</li>\n</ul>\n\n알고 있는 내용 가지고 최대한 쉽게 풀어써 보려고 했는데 쉽지 않네요. 저도 모르는 부분이 많이 있다 보니ㅠㅠ\n그래도 이해하는 데 많은 도움이 되었으면 좋겠습니다ㅎㅎ",
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      "author": "steemitboard",
      "permlink": "steemitboard-notify-notax-20180415t190908000z",
      "title": "",
      "body": "Congratulations @notax! You have completed some achievement on Steemit and have been rewarded with new badge(s) :\n\n[![](https://steemitimages.com/70x80/http://steemitboard.com/notifications/firstpost.png)](http://steemitboard.com/@notax) You published your First Post\n[![](https://steemitimages.com/70x80/http://steemitboard.com/notifications/firstvote.png)](http://steemitboard.com/@notax) You made your First Vote\n[![](https://steemitimages.com/70x80/http://steemitboard.com/notifications/firstvoted.png)](http://steemitboard.com/@notax) You got a First Vote\n\nClick on any badge to view your own Board of Honor on SteemitBoard.\nFor more information about SteemitBoard, click [here](https://steemit.com/@steemitboard)\n\nIf you no longer want to receive notifications, reply to this comment with the word `STOP`\n\n> Upvote this notification to help all Steemit users. Learn why [here](https://steemit.com/steemitboard/@steemitboard/http-i-cubeupload-com-7ciqeo-png)!",
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      "body": "This is a good post, followed you so keep them coming.",
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