Layered Architecture in Domain-Driven Design combines the principles of DDD with a layered architecture pattern. It organizes a software system into distinct layers, each with specific responsibilities

Blockchain scalability presents challenges with increased adoption, resulting in congestion, high fees, and limited throughput. This article aims to provide a comprehensive list of feasible scaling solutions and track the latest developments in this area.

Following problem analysis and proposing optimal solutions, we proceed with the system design and implementation of crucial system components for the Historical Trading Data Service

Building historical trading data faces problems from the unreliability of crypto API endpoints, especially WebSockets. This hinders the retrieval of accurate high-frequency data, like pricing information. Our mission is to calculate a precise rolling 5-minute VWAP by ticker, correcting historical data for trade errors and ensuring accuracy

Explore a comprehensive set of best practices that will empower developers to build robust, efficient, and maintainable Node.js applications. From structuring codebase and optimizing performance to handling errors and implementing security measures

Discover how the Depth First Search algorithm can help you find the best currency exchange rate. This article explores leveraging the algorithm with a database of exchange rates to optimize conversions between two arbitrary currencies, providing valuable insights for maximizing your currency exchange efficiency

The article focus on generating unique order IDs in a SQL trade history database that is being updated by multiple parallel scripts. The challenge is to prevent collisions and ensure the integrity of the order ID generation process

The challenging process of hiring software engineers in a startup and some highlighted notes to overcome the obstacles and successfully build an engineering team amidst those difficulties of the hiring landscape

Learn how to safeguard your smart contracts against reentrancy attacks by exploring an example derived from an unsecured Bank contract. Discover essential mitigation strategies and best practices to protect your decentralized applications from this kind of vulnerability

Performing a simulation to exploit a reentrancy vulnerability found within a Bank's smart contract to withdraw the entire available balance of the bank. This simulation is purely for educational or research purposes and does not serve as a recommendation or encouragement to exploit such vulnerabilities in real-world scenarios