Creating a Blockchain Mining Module

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.

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

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

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.

I'll show you everything about how to build servers for stateful services and how zero-downtime deployment works.

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 lecture about learning WebSocket communication for chat servers used in streaming platforms and actually implementing it.

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

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

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.

This is the process of developing a blockchain Web3 web application.

This text lecture claims to be a 'Bible' and is a material that has tried to correctly contain such basic contents.

Virtual assets and cryptocurrencies have driven financial innovation, but they are also being used as tools for crime, money laundering, and data breaches. This course starts with the basic concepts of virtual assets and blockchain, tracks actual cryptocurrency transaction flows, and analyzes suspicious fund movement structures.

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.

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

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

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

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.

"I have the data, but I don't know how to interpret it." This is the most common concern among those just starting with on-chain analysis. In this course, a 10-year data analyst and on-chain researcher fully reveals all the tools and interpretation techniques used in actual 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 to help you move beyond "just looking" at on-chain data and develop an analytical framework that leads to investment decisions.

This course is a hands-on practical session where you will build your own NFT marketplace using Solidity smart contracts, frontend technologies, and web3.js. Students will implement all marketplace features—from NFT minting to selling, buying, and deleting—and deploy them directly to the latest testnets: Ethereum Sepolia, Polygon Amoy, and Kaia Kairos. Additionally, you will learn how to use IPFS for the decentralized storage of NFT images and metadata, allowing you to experience a production-ready DApp architecture that goes beyond a simple demo. ✨ Key Features of This Course Full-Stack Learning: Covers React UI, smart contract writing, and multi-chain deployment all at once. Up-to-Date Environment: Supports Sepolia, Amoy, and Kairos testnets with MetaMask integration. Master the Core NFT Process: Image upload (IPFS) → Metadata creation → Minting → Marketplace trading. Practical & Hands-on: Gain real-world service development experience, including transaction handling, UX design, and multi-chain support.

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.

Kotlin mastery via virtual payment server course.

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 NoSQL technology for handling big data, one of the fundamental skills in full-stack and data science technologies used by modern startups. MongoDB is the easiest and fastest NoSQL technology to utilize. In this course, you will learn the basics of MongoDB in a short time and master the skills to handle and utilize MongoDB with Python.

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.

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

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.