ブロックチェーン採掘モジュールの作成

This lecture will cover and implement websocket communication for chat servers used on streaming platforms such as Africa, Naver (Chijijik), and Twitch.

It covers not only how to configure CRUD using Golang, but also how to use PostMan when collaborating with the front-end, and even repository management and environment construction! It contains the knowledge necessary for actual work.

We will tell you everything about how to build a server and perform uninterrupted deployment for stateful services such as Chijijik and AfreecaTV.

You will learn how to write queries against large amounts of data using MongoDB.

In this lecture, we will discuss how to reduce resources for server-to-server communication by implementing RPC and gRPC communications used in actual practice.

You can learn about webcam and peer-to-peer communication implemented using WebRTC.

This lecture covers the process of configuring a custom Gateway API using yaml.

In this course, you will learn how to create a Discord Bot. You can learn from simple messages to complex complexes.

We will inform you about all the security aspects of migration using MySQL and direct operation of DB Server.

In this lecture, you will learn how to use OpenTracing to perform distributed tracing across various applications.

We will inform you about the platform mass adoption method using AWS (S3, CloudFront) and MySQL (Geospatial Query).

We covered the concepts considered while migrating 20 billion data items managed through the existing MongoDB to MySQL.

In this lecture, we aim to create a Web Scraping API server using the Naver Shopping site. We will show you how to configure a managed API server by connecting MySQL and configuring a 3-tier architecture!!

This is a content about backend development using two databases, MySQL and Mongo, for job seekers preparing for backend employment.

Going one step further than the existing "Broad and Shallow Knowledge for Blockchain Games", we specifically cover NFT and NFT GAME. Through examples of recently launched NFT games, we introduce changes in technology application trends, economic systems, and strategies for effectively developing NFT games.

This lecture covers the basics of crypto investment, including the value and risks of Bitcoin, Ethereum, and other Layer 1s (Cosmos).

"There's data, but I don't know how to interpret it." This is the most common concern among people just starting with on-chain analysis. In this course, a 10-year veteran data analyst and on-chain researcher fully reveals all the tools and interpretation techniques used in real market analysis. ㆍWhich indicators react first before coin prices move ㆍWhether whales are accumulating or dumping ㆍHow to read market sentiment through bridge and stablecoin flows ㆍHow to extract data through Etherscan and Dune without programming ㆍAnd the interpretation patterns and strategies used by professional analysts This course is designed not to stop at "just looking" at on-chain data, but to help you build an analytical framework that leads to investment decisions.

Developing decentralized applications (Dapps) on the Ethereum blockchain using the Solidity language and the Truffle build framework.

This is a must-see lecture for blockchain planners, developers, and company representatives. If you didn't have time to study separately, you can understand the core of the Bitcoin and Ethereum white papers through this summary lecture.

Learn how to install your own DB, store and update data, and even implement a chat feature using sockets without using Firebase's real-time database.

This course is a hands-on process where you'll build an NFT marketplace from scratch using frontend technologies and web3.js to leverage Solidity smart contracts. Students will implement all marketplace functions from NFT minting to selling, buying, and deleting, and deploy directly to the latest testnets including Ethereum Sepolia, Polygon Amoy, and Kaia Kairos networks. You'll also learn how to use IPFS for distributed storage of NFT images and metadata, experiencing a real service-ready DApp architecture that goes beyond simple demo-level implementations. ✨ Course Features Full-stack learning: React UI, smart contract development, and multi-chain deployment all in one Latest environment support: Sepolia·Amoy·Kairos testnet support, MetaMask integration Master core NFT processes: Image upload (IPFS) → Metadata generation → Minting → Marketplace transactions Practice-focused: Real service development experience including transaction handling, UX design, and multi-chain support

You can understand metaverse technology in a short period of time, and we will teach you practical skills for creating metaverse worlds and issuing and selling NFTs without coding.

Representative projects that use the Go language include Google servers, Docker, and Uber, and recently it has been widely used in data analysis and blockchain, so the popularity of the Go language is expected to continue to rise vertically.

Learn NoSQL technology, which can handle Big Data, one of the fundamental technologies in full-stack and data science utilized by modern startups. MongoDB is the easiest and quickest technology to utilize among NoSQL databases. In this lecture, you will learn the basics of MongoDB in a short time, and also acquire the skills to manipulate and utilize MongoDB with Python.

How to view safe indicators and objective data that should not be missed when investing in Bitcoin and altcoins, and share real airdrop know-how and practical methods that made it from 0 won to 100 million won

If you are interested in the Go language, I will teach you in detail one by one so that even non-developers who do not know any language can understand. I will try to structure the lecture with as many examples and practical exercises as possible.

Learn and create Git actions yourself, the de facto standard for version control tools!

Kotlin mastery via virtual payment server course.

Have you learned the basic grammar of the Go language, but are you still having trouble using it in practice? Or have you encountered many difficult problems while using it in practice? In this lecture, we will introduce various useful packages of Go and share the know-how to improve speed.

All-in-one course: Master Node.js by building a solid foundation step-by-step from the basics 👍