**The Advantages and Disadvantages of Blockchain Technology based on Cryptocurrency Attacks**

**Comments on article writing**

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<tr class="header">
<th><strong>Section</strong></th>
<th><strong>Reviews</strong></th>
<th><strong>Suggestion</strong></th>
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<td><strong>Title</strong></td>
<td><p><strong>Suggest changing –</strong></p>
<p><strong>Reviews on the advantages and disadvantages of cryptocurrency systems.</strong></p></td>
<td></td>
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<td><strong>Abstract</strong></td>
<td><p><em>Statement 1:</em></p>
<blockquote>
<p><em>While the value of digital currencies is skyrocketing, cryptocurrency attacks are taking place continuously thus involving large sums of money.</em></p>
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<p><em>Question 1:</em></p>
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<p><em>Things to know - what is the relationship between digital currency and cryptocurrency?</em></p>
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<p><em><strong>Statement 2:</strong></em></p>
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<p><em>With the advent of blockchain technology, it has managed to save the digital currency system with the availability of a large open database.</em></p>
</blockquote>
<p><em><strong>Question 2:</strong></em></p>
<blockquote>
<p><em><strong>Technically, how can a blockchain save a digital currency system?</strong></em></p>
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<p><em><strong>Statement 3:</strong></em></p>
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<p><em>As a result, researchers believe..</em></p>
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<p><em><strong>Question 3:</strong></em></p>
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<p><em><strong>Who are the researchers? It relates to the researcher's area of ​​expertise and credibility.</strong></em></p>
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<p><em><strong>Statement:</strong></em></p>
<blockquote>
<p><em>blockchain technology is the best and greatest technology in dealing with these attacks.</em></p>
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<p><em><strong>Question 4:</strong></em></p>
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<p><em><strong>Avoid the use of the words best and greatest, as cryptocurrency on blockchain technology is still in the process of improvement.</strong></em></p>
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<p><em><strong>Additional questions:</strong></em></p>
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<p><em><strong>Most of the statements given above are not supported in any part of the article written.</strong></em></p>
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<td><strong>Redo</strong></td>
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<td><strong>1.0 Introduction</strong></td>
<td><p><strong>Additional questions:</strong></p>
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<p><strong>I would like to emphasize it is important to begin section 1.0 Introduction, by first introducing the terms digital currency and cryptocurrency. This is to ensure that the terms digital money and cryptocurrency are then suitable/can be used interchangeably or not.</strong></p>
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<p><strong>Statement 1:</strong></p>
<blockquote>
<p>Once this digital currency is mined,</p>
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<p><strong>Question 1:</strong></p>
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<p><strong>I suggest the use of the word digital currency here be changed to cryptocurrency. This is because most of the words used from the beginning of this paragraph are written referring to cryptocurrency.</strong></p>
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<p><strong>Statement 2:</strong></p>
<blockquote>
<p>blockchain technology will kep..</p>
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<p><strong>Question 2:</strong></p>
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<p><strong>kep?</strong></p>
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<p><strong>Statement 3:</strong></p>
<blockquote>
<p>In 2008, there were 51% of attacks occurring against two cryptocurrency networks namely ZenCash and Bitcoin Gold. In the attacks, the total costs for both crypto covered $ 550,000 and $ 18 million [6].</p>
</blockquote>
<p><strong>Question 3:</strong></p>
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<p><strong>My first question for this statement - the first cryptocurrency, called bitcoin was created in 2009!</strong></p>
<p><strong>The second question for the same statement - I have opened the reference given [6] but failed to obtain the information as stated.</strong></p>
<p><strong>Because of that I emphasize again to differentiate between digital currency and cryptocurrency.</strong></p>
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<p><strong>Statement 4:</strong></p>
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<p>However, each technology has its advantages and disadvantages. Therefore, researchers have researched about the advantages and disadvantages of blockchain technology in cryptocurrency attacks. Among its advantages are a reliable distributed system, no government interface, increased security &amp; financial efficiency, better stability, and instant payment with cost reduction. The disadvantages of this technology are private keys, 51% attacks, difficult data modification, large energy consumption, and illegal activity.</p>
</blockquote>
<p><strong>Question 4:</strong></p>
<blockquote>
<p><strong>Who are the researchers?</strong></p>
<p><strong>Include a reference list of researchers whose facts are quoted here. List separately according to the advantages and disadvantages as written.</strong></p>
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<p><strong>Statement 5:</strong></p>
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<p>The use of digital currency being higher than cash in this area.</p>
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<p><strong>Question 5:</strong></p>
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<p><strong>What area is being talked about here? State it clearly.</strong></p>
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<p><strong>Statement 6:</strong></p>
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<p>This can be evidenced when shopping malls, hotels and restaurants use this digital money system to make payments and transactions.</p>
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<p><strong>Question 6:</strong></p>
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<p><strong>What is evidenced by this saying?</strong></p>
<p><strong>Once again emphasized here to understand the difference between digital currency and cryptocurrency.</strong></p>
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<p><strong>Statement 7:</strong></p>
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<p>Even convenience stores, and eateries on the shoulder of the road also use payment systems like this.</p>
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<p><strong>Question 7:</strong></p>
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<p><strong>What is meant by "payment systems like this"? Is it cash, digital currency, or cryptocurrency?</strong></p>
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<td><strong>Reject and redo</strong></td>
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<td><strong>2.0 Literature Review</strong></td>
<td><strong>The arranged literature review does not use the basic three-part structure.</strong></td>
<td><strong>Reject and redo</strong></td>
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<td><strong>3.0 The Advantages and Disadvantage of Blockchain</strong></td>
<td><p><strong>There are two things in question:</strong></p>
<p><strong>First - is this an original research article, case study article, or review article?</strong></p>
<p><strong>Then, if this is an original research article or a case study article, the question is - Is the use of subheadings for section 3.0 as used here appropriate? Authors of articles must use standard writing methods to write subheadings for section 3.0.</strong></p>
<p><strong>If this is a review article, the content of this section should also be written systematically with evidence through references from previous researchers, and the writing should also be in a coherent structure.</strong></p></td>
<td><strong>Reject and redo</strong></td>
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<td><strong>Conclusion</strong></td>
<td><strong>No relevant conclusions were given.</strong></td>
<td><strong>Redo</strong></td>
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<td><strong>References</strong></td>
<td><strong>No comment</strong></td>
<td><strong>-</strong></td>
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