This article will go over the top 21 most attractive developer jobs in the decade to come. Note that the purpose of this article is to look forward to the future rather than looking backward into the past. The future is inherently uncertain but we did everything we could (as you’ll see) to remain objective … Read more
The word Decentralized Finance or DeFi is now almost synonymous with the word blockchain, as DeFi is one of the largest and the most in-demand skills in the blockchain space. In this post, we start by getting to know what DeFi is, how DeFi works and the key concepts behind DeFi. This is part 1 … Read more
In this article, I am going to explain the fundamentals of a Solidity source file structure. In a way, a rookie (like me and you) can understand the basics of Ethereum programming. First things first – the Solidity file that stores your code will have a .sol extension. Take action. In your favorite browser go … Read more
In this first article in the series, we’ll start with the basics of what Solidity is, what smart contracts are, how they work, how they are implemented, and then dig right into some cool Solidity examples and details. Terminology Of course, the first question poses itself: what is Solidity? As you could have imagined, Solidity … Read more
Step 1: Get Started In this first article in the series, we’ll start with the basics of what Solidity is, what smart contracts are, how they work, how they are implemented, and then dig right into some cool Solidity examples and details. Of course, the first question poses itself: What is Solidity? As you could … Read more
Do you have written a decentralized app (dApp) and you want to check it for potential exploits and hacks? Do you need to prepare your dApp for a security audit and vulnerability analysis? Don’t worry, we have your back! 🛡️ In this article based on the smart contract security course by Finxter Creator Yogesh, we’ll … Read more
What are Polygon and MATIC all about and why is another blockchain needed? You will find answers to these questions in this article. The article starts with problems plaguing Ethereum, workable solutions to the problem, and then dives into more details of the Polygon network, its history, tokenomics, and an overview of the Polygon SDK. … Read more
This is part 8 and a continuation of the Smart Contract Security Series. Ownership Exploit Private Variable Exploit Reentrancy Attack tx.origin Phishing Attack Denial of Service Attack Storage Collision Attack Randomness Attack Replay Attack This post provides insights into the replay attack in blockchains. As per the wiki, a replay attack is a valid data … Read more
This is part 7 and a continuation of the Smart Contract Security Series. Ownership Exploit Private Variable Exploit Reentrancy Attack tx.origin Phishing Attack Denial of Service Attack Storage Collision Attack Randomness Attack Replay Attack In this tutorial, the randomness attack or also called replicated logic attack is analyzed. The problem in Solidity contracts is finding … Read more
What is Fuzzing? Fuzz testing (or fuzzing) is an automated software testing method with the goal to find vulnerabilities, security issues, and defects of the application. The idea is to inject invalid, malformed, or unexpected inputs into the application using a fuzzing tool and observing how the system reacts to those inputs (e.g., exceptions, leakage … Read more
In this guide, I’ve compiled the top 7 freelancing niches I found highly profitable based on my experience working as a business owner and freelancer myself, hiring hundreds of freelance developers for my company, and teaching thousands of freelancing students through our books and courses. Each niche is presented with a video where I show … Read more
This post is part 5 of our Smart Contract Security Series: Ownership Exploit Private Variable Exploit Reentrancy Attack tx.origin Phishing Attack Denial of Service Attack Storage Collision Attack Randomness Attack Replay Attack The post discusses the Denial of Service or alias the DoS attack. The Denial of Service (hence referred to as DoS) restricts legitimate … Read more