Previously, most people couldn't understand what is NFT. However, since 2021, the recognition of this concept has increased significantly, and various digital contents have been sold in the form of NFTs.
The problem is, if you want to officially make money from your NFTs, you need to "mint" them. Even how well people know about NFT, they may be struggle when explain about &ldquo;mint&rdquo;.
<div class="mce-toc" style="text-align: justify;">
<h2>Table of Contents</h2>
<ul>
<li><a href="#mcetoc_1gg94fi5u2b">So, what is &ldquo;Mint&rdquo;?</a></li>
<li><a href="#mcetoc_1gg94fi5u2c">Mint and blockchain</a></li>
<li><a href="#mcetoc_1gg94fi5u2d">Mint and gas fee</a>
<ul>
<li><a href="#mcetoc_1gg94fi5u2e">Step 1 Create content</a></li>
<li><a href="#mcetoc_1gg94g88u3t">Step 2 Pick up Ethereum</a></li>
<li><a href="#mcetoc_1gg94g88u3u">Step 3 Choose a marketplace</a></li>
<li><a href="#mcetoc_1gg94g88u3v">Step 4 Create a wallet</a></li>
<li><a href="#mcetoc_1gg94g88u40">Step 5 Create an OpenSea account</a></li>
<li><a href="#mcetoc_1gg94g88u41">Step 6 Mint the NFT</a></li>
</ul>
</li>
<li><a href="#mcetoc_1gg94fi5u2f">To sum up</a></li>
</ul>
</div>
<h2 id="mcetoc_1gg94fi5u2b" style="text-align: justify;">So, what is &ldquo;Mint&rdquo;?</h2>
First heard about &ldquo;Mint&rdquo;, you think straight away to &ldquo;mint&rdquo; in &ldquo;mint chocolate ice cream&rdquo;, right?
Actually, &ldquo;mint&rdquo; is the first time when tokens that adopt a smart contract and digital content are linked one-to-one and written on the blockchain to become an NFT.&nbsp;
The former definition, a smart contract, is a digital form contract, a mechanism that will be automatically executed when all its conditions and requirements are met. And the latter one, digital content, as we know, such as videos, images, game characters and music&hellip; is the target of NFTs. However, simply creating digital content cannot be called an NFT. So, the action of &ldquo;Minting&rdquo; is necessary. The ERC-721 standard (Non-fungible tokens standard) gives unique value to digital content, so NFT can be created.
NFTs can be traded by being minted on ​​dedicated marketplaces such as <a href="https://opensea.io/" target="_blank" rel="noopener">OpenSea</a>, <a href="https://rarible.com/" target="_blank" rel="noopener">Rarible</a>, and <a href="https://superrare.com/" target="_blank" rel="noopener">SuperRare</a>. Strictly speaking, the NFT issued on the marketplace is minted and still cannot be sold at this point. It's just in the form of a completed NFT, and at the time, the ownership belongs to the creator of the digital content. After that, you can start trading after setting the price of these NFTs, and this action is called "Listing".
<h2 id="mcetoc_1gg94fi5u2c" style="text-align: justify;">Mint and blockchain</h2>
The most well-known blockchain implement used in Mint is Ethereum (ETH).
It was the first blockchain adopted ERC-721, and the NFTs which were first minted and traded are using Ethereum. So, Ethereum is equivalent with NFT, and when NFT catches fire, and its price rises in an instant, it has grown to become the second most popular after Bitcoin.
However, in order to eliminate scalability such as Gas fee and time-consuming transactions, apart from Ethereum, Polygon (POL), Polkadot (DOT), Solana (SOL) are also some popular types of crypto.
New virtual currencies have also appeared one after another. Therefore, in the past, Ethereum was the only choice for NFT mints, but now you can choose from multiple options depending on the type and characteristics of the content.
<h2 id="mcetoc_1gg94fi5u2d" style="text-align: justify;">Mint and gas fee</h2>
Minting requires gas fee depends on the marketplace being used. Some marketplaces are free, while others cost thousands of dollars.
However, recently, a new term called "lazy minting" has appeared, in which NFTs are minted after they are put in the marketplace, and the gas fee is paid by the buyer after purchasing. and issuers will no longer have to incur the gas fee.
<h2 style="text-align: justify;">Minting method</h2>
<h3 id="mcetoc_1gg94fi5u2e" style="text-align: justify;">Step 1 Create content</h3>
NFTs are unique proofs of ownership in the world, so digital content must be completely original. The contents can be videos, images, or music, but please be aware that copies are not accepted as NFTs.
<h3 id="mcetoc_1gg94g88u3t" style="text-align: justify;">Step 2 Pick up Ethereum</h3>
Buy Ethereum (ETH) on domestic exchanges. In OpenSea marketplace, many NFTs are based on ETH, so ETHis required for both minting and listing.
<h3 id="mcetoc_1gg94g88u3u" style="text-align: justify;">Step 3 Choose a marketplace</h3>
Once you have created your digital content, and get enough ETH, choose a marketplace to progress the minting. There are multiple marketplaces with different features and users, but the most major and popular is OpenSea. Therefore, this article will use OpenSea as an example.
<h3 id="mcetoc_1gg94g88u3v" style="text-align: justify;">Step 4 Create a wallet</h3>
You need to have an account to mint on OpenSea. To do so, you must first create a wallet. Metamask is the most popular cryptocurrency wallet. Therefore, we recommend using Metamask. Then, install Metamask into the Google Chrome extension.
<img class="responsiveImage" style="display: block; margin-left: auto; margin-right: auto;" src="https://api.relipa.global/storage/592/screenshot_1666754306.png" alt="" />
<h3 id="mcetoc_1gg94g88u40" style="text-align: justify;">Step 5 Create an OpenSea account</h3>
After accessing the official OpenSea website and creating an account, connect to Metamask. Deposit the Ethereum purchased in Step 1 into Metamask.
<h3 id="mcetoc_1gg94g88u41" style="text-align: justify;">Step 6 Mint the NFT</h3>
Click the person icon on the top right of the OpenSea top screen and select "My Collection" to display the input screen for creating the folder necessary for minting. After entering the necessary information and creating a folder, upload the content you want to sell as NFTs and minting is completed.
<h2 id="mcetoc_1gg94fi5u2f" style="text-align: justify;">To sum up</h2>
NFTs can be minted at any time from the marketplace as long as the preparation of your own original content is good enough.
If you mint NFT, no matter how many times you buy and sell, you will be paid a fixed percentage of the sales proceeds everytime. When the value is evaluated and the price is high, it is possible to obtain a large profit even from one NFT.&nbsp;
At Relipa, NFT minting, marketplaces launching as well as others blockchain services will be done speedily by experienced engineers and great know-how. Please feel free to contact us and start your NFT right away!

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Blockchain Future 1: Basic Knowledge about Blockchain and the Future

<div class="mce-toc" style="text-align: justify;">
<h2>Table of Contents</h2>
<ul>
<li><a href="#mcetoc_1gvsl3ab6rc">The high demand for blockchain-related skills</a></li>
<li><a href="#mcetoc_1gvsl3ab6rd">Blockchain-related skills 1: Understanding cryptography</a></li>
<li><a href="#mcetoc_1gvsl3ab6re">Blockchain-related skills 2: Understanding the mechanism</a></li>
<li><a href="#mcetoc_1gvsl3ab6rf">Blockchain-related skills 3: Programming languages</a></li>
<li><a href="#mcetoc_1gvsl3ab6rg">Blockchain-related qualifications</a>
<ul>
<li><a href="#mcetoc_1gvsl3ab6rh">Cryptocurrency skill test</a></li>
<li><a href="#mcetoc_1gvsl3ab6ri">Applied Information Engineer Examination</a></li>
</ul>
</li>
<li><a href="#mcetoc_1gvsl3ab6rj">How to accumulate and cultivate blockchain-related skills</a>
<ul>
<li><a href="#mcetoc_1gvsl3ab6rk">Programming school/Mentors</a></li>
<li><a href="#mcetoc_1gvsl3ab6rl">Online course</a></li>
<li><a href="#mcetoc_1gvsl3ab6rm">Self-study with books</a></li>
</ul>
</li>
<li><a href="#mcetoc_1gvsl3ab6rn">summary&nbsp;</a></li>
</ul>
</div>
The demand for blockchain technology, such as NFT, Metaverse, and the appearance of digital currency is on an upward trend annually. On the other hand, the lack of well-rounded engineers hinders blockchain development and implementation. In plain English, in case you have a firm ground knowledge of blockchain development skills, it is not beyond the realm of possibility that your value will be highly appreciated.
Therefore, in this article, we will give you an overview of accumulating and cultivating blockchain-related skills, necessary technologies, and qualifications.
<h2 id="mcetoc_1gvsl3ab6rc" style="text-align: justify;">The high demand for blockchain-related skills</h2>
Blockchain, which has gained popularity as a foundation for cryptographic assets, is now expanding its applications not only in the financial field but also in logistics, distribution, manufacturing, health care, real estate, government, etc. The reason for this is that blockchain is an excellent system backed by advanced technology and mechanisms that are highly reliable, secure, non-falsified, and quick.
However, due to its peculiarity, the current situation is that there is a large shortage of qualified blockchain engineers to meet the needs. Therefore, it can be said that the significance of acquiring blockchain-related skills is very high.
<h2 id="mcetoc_1gvsl3ab6rd" style="text-align: justify;">Blockchain-related skills 1: Understanding cryptography</h2>
Let's take a closer look at what kind of blockchain-related skills are required.
Initially, you need to have a firm grasp knowledge of cryptographic technology which is the core component to making blockchain secure.
Specifically, you need to consolidate your knowledge of hash functions that prevent data tampering, public key cryptography, and digital signatures essential for keeping communication data confidential, multi-sig, and pseudo-random number generators in smart contracts.&nbsp;
<h2 id="mcetoc_1gvsl3ab6re" style="text-align: justify;">Blockchain-related skills 2: Understanding the mechanism</h2>
Not only is cryptographic technology required, but it is also necessary to understand how blockchains work.
All nodes are connected one-to-one by P2P, and consensus is formed as a whole so that all these nodes share the same data.
With blockchain, sometimes you can't see the other person's face at all, and you don't know who they are. Of course, there is a good chance that an untrustworthy partner is lurking. However, it goes without saying that if the validity of transactions and the authenticity of data cannot be guaranteed, the system will not function. What is essential for this is consensus building, which is called a consensus algorithm.
There are multiple methods such as PoW (Proof of Work) represented by Bitcoin, PoS (Proof of Stake) represented by Ethereum, Endorse + Ordering Service used in Hyperledger Fabric, etc.
It is also important to understand the smart contracts required to create Dapps. A smart contract is a mechanism that automatically executes a contract according to a program, which makes it possible to give various functions to the blockchain.
Read more:&nbsp;<a href="../../blogs/blockchain-future-the-expected-future-use-cases-of-blockchain" target="_blank" rel="noopener">Blockchain Future 2: The expected future use cases of blockchain&nbsp;&nbsp;</a>
<h2 id="mcetoc_1gvsl3ab6rf" style="text-align: justify;">Blockchain-related skills 3: Programming languages</h2>
A final related skill that is essential is learning a programming language.
Specifically, C++ is used to develop Bitcoin, Go language is used to implement client software "Go Ethereum" provided by Ethereum, and blockchain is used to implement blockchain on the web. JavaScript and Solidity, which are used to develop smart contracts, are the main ones.
Neither of them is new nor special languages, and they are already familiar with development sites and relatively easy to master, so if you can learn them as required, blockchain development will become familiar.
<h2 id="mcetoc_1gvsl3ab6rg" style="text-align: justify;">Blockchain-related qualifications</h2>
Let us introduce two qualifications that are effective for acquiring blockchain skills.
<h3 id="mcetoc_1gvsl3ab6rh" style="text-align: justify;">Cryptocurrency skill test</h3>
It is implemented by the Japan Cryptocurrency Skills Certification Association (JCCA). It will be a form of taking the exam after attending the prescribed course. Mechanisms, laws, and business uses of crypto assets and blockchain.
You will be able to objectively prove that you have such knowledge.
It is divided into three levels: the beginner level &ldquo;Cryptocurrency Advisor&rdquo;, the advanced &ldquo;Certified Cryptocurrency Skills Advisor&rdquo;, and the highest level &ldquo;Certified Cryptocurrency Skills Advanced Advisor&rdquo;. Beginners and advanced levels can be obtained by taking courses for a fee, taking online exams, oral exams, etc. The highest grade is premised on obtaining a cryptocurrency advisor qualification and accumulating a certain activity record.
<h3 id="mcetoc_1gvsl3ab6ri" style="text-align: justify;">Applied Information Engineer Examination</h3>
It is an examination sponsored by Information-technology Promotion Agency and is held twice a year, in spring and autumn.
This is a highly difficult qualification for those who aim to become highly skilled IT personnel who are familiar with the planning of information strategies, the realization of IT solutions, and the development, operation, and maintenance of information systems, databases, and networks. It's a tough exam lasting 5 hours, 150 minutes in the morning and 150 minutes in the afternoon.
Read more:&nbsp;<a href="../../blogs/blockchain-future-the-expected-future-use-cases-of-blockchain" target="_blank" rel="noopener">Blockchain Future 2: The expected future use cases of blockchain</a>
<h2 id="mcetoc_1gvsl3ab6rj" style="text-align: justify;">How to accumulate and cultivate blockchain-related skills</h2>
<h3 id="mcetoc_1gvsl3ab6rk" style="text-align: justify;">Programming school/Mentors</h3>
Blockchain skills require not only programming language but also a lot of learning, such as intensifying your understanding of the blockchain mechanism and acquiring software development skills. Therefore, a programming school where you can go to school or a mentor who comes to your home and teaches you is easy to maintain motivation, and you can ask questions to the instructor on the spot, which will be a great advantage.
<ul style="text-align: justify;">
<li><a href="https://careerfoundry.com/en/blog/web-development/online-coding-schools/" target="_blank" rel="noopener">MITxPRO Professional Certificate in Coding (Full-Time)</a>: You can choose between attending part-time and full-time courses. Because of the custom-made curriculum, it is possible to learn according to the progress. In the case of online, in addition to mentoring once a week, you can consult and ask questions via chat or video call, so even beginners can feel at ease.</li>
<li><a href="https://teachers.tech/" target="_blank" rel="noopener">Tech Teacher</a>: A great advantage is that you can study at your own pace according to a custom-made curriculum that matches your level and proficiency. The instructor will come directly to your home and you can ask questions on the spot if you don't understand something, so your understanding will increase considerably. You will be charged for the time you receive instruction, and you will also need to pay for transportation from the instructor's residence to your home.</li>
</ul>
<h3 id="mcetoc_1gvsl3ab6rl" style="text-align: justify;">Online course</h3>
Currently, most schools where you can learn blockchain are online classes. The location and time are flexible, and the cost is affordable, so it is recommended for busy business man or office workers and students, but if you do not have a strong will, it may be difficult to complete the course. However, if you choose a one-on-one format, it will be effective in maintaining motivation.
<ul style="text-align: justify;">
<li><a href="https://www.coursera.org/courses?query=blockchain" target="_blank" rel="noopener">Coursera</a>: Coursera is the most prevalent learning management system which covers a wide range of knowledge in various fields. Especially, a huge amount of organizations and top-notch universities provide blockchain-related courses from beginner to specialization.&nbsp;</li>
</ul>
<h3 id="mcetoc_1gvsl3ab6rm" style="text-align: justify;">Self-study with books</h3>
In theory, it is possible to learn blockchain-related skills from books. However, learning from scratch requires a strong will and takes time to learn, so the risk of setbacks is high.
<ul>
<li style="text-align: justify;">"Blockchain Revolution: How the Technology Behind Bitcoin and Other Cryptocurrencies Is Changing the World" Don Tapscott and blockchain expert Alex Tapscott&nbsp;</li>
</ul>
Don and Alex Tapscott, the authors of &ldquo;Blockchain Revolution&rdquo; clearly explain how Blockchain technology works, how it will scale in the future, and transform everything completely online.
This book also explains the different ways blockchain technology is changing the future of transactions, money, and business.
Don Tapscott, the best-selling author of &ldquo;Wikinomics,&rdquo; and his son Alex Tapscott, a blockchain expert, showcased a well-researched fundamental book on the future of the economy.
This is considered a pastime for business leaders for the next decade and beyond. According to Tapscott, this technology will enhance the provision of expanded financial services, protection of personally identifiable information, and personal and business contracts.
<ul>
<li style="text-align: justify;">"Blockchain: Down The Rabbit Hole: (Discover The Power Of The Blockchain)" by Tim&nbsp;Lea</li>
</ul>
It is recommended for engineers with development experience because it not only provides a detailed understanding of how blockchain works but also explains practical examples with specific examples.
<ul>
<li style="text-align: justify;">"Introduction to Blockchain Technology: Theory and Practice" by Shigeichiro Yamazaki, Kodansha&nbsp;</li>
</ul>
It covers everything you need to know about blockchain from basic technology to application and business use, making it the perfect textbook for engineers who want to learn in earnest. It is divided into 15 chapters according to the theme, and there are plenty of easy-to-understand illustrations, so you can study without hesitation.
Read more:&nbsp;<a href="../../blogs/blockchain-future-basic-knowledge-about-blockchain-and-the-future" target="_blank" rel="noopener">Blockchain Future 1: Basic Knowledge about Blockchain and the Future</a>
<h2 id="mcetoc_1gvsl3ab6rn" style="text-align: justify;">Summary&nbsp;</h2>
It is undeniable that the demand for skilled blockchain engineers will be on the rise in the future. If you grasp the chance and equip yourself with professional skills and knowledge, it is not beyond the realm of possibility that you obtain a better salary and career path than the people jostling with you in the queue for sought-after jobs. So why postpone it, let&rsquo;s start your career immediately.
<a href="../../contact" target="_blank" rel="noopener">Relipa has a large number of engineers who have mastered the blockchain skills introduced in this article at a high level and have extensive development experience. If you have any requests for blockchain development, please feel free to contact us.</a>

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