Recommended Tags: Programming, Coding, Developer, Web Development. Just one is enough!
28 Apr 2020 3 minute read 1 comment alexroan
This article explains how to secure your smart contracts against arithmetic overflows and underflows Prerequisites: A basic understanding of the Ethereum Blockchain and Smart Contracts. Introduction This is part 2 of a series on securing your Smart...
27 Apr 2020 4 minute read 0 comments X-51
So what does an out of work software dev/gamer/all-round creative type do when he is bored out of his brain and can't do much because of a heavily locked down city? He decides to create a game! So I'm going to document the process, the designing, t...
27 Apr 2020 2 minute read 2 comments Chanh Ha
Introduction Most mobile apps need to store persistence data locally. There are many reasons to do so, from restoring the app state at the last session, to improve app performance. Therefore, Flutter offers us several ways to accomplish this feature....
26 Apr 2020 4 minute read 14 comments alexroan
This article explains how to secure your smart contracts against reentrancy and ownership theft attacks. Prerequisites: A basic understanding of the Ethereum Blockchain and Smart Contracts. Introduction Tunnel vision, a pitfall that every developer...
26 Apr 2020 5 minute read 0 comments alexroan
This article walks through how to test Smart Contracts using Solidity and JavaScript. Prerequisites: A basic understanding of Blockchain, Ethereum and Javascript. The full working project code can be found on Github. The Importance of Software Testi...
26 Apr 2020 3 minute read 1 comment alexroan
Always use OpenZeppelin Don’t get me wrong, writing smart contracts from scratch is a great learning tool. Tasking yourself with creating an ERC20-compliant contract from start to finish is one of the best ways to gain an understanding of the logic...
26 Apr 2020 7 minute read 0 comments Manyong'oments
The word, programmer is associated with a wide variety of images, but at the end of they day, they are just problem solvers. In this post, i will share some of the app ideas, that i came up with and by all means you are welcome to use them to your li...
25 Apr 2020 5 minute read 0 comments alexroan
1. Define the Purpose Before starting, make sure you have a clear understanding of what your smart contract is supposed to do. What value does it add? How should it be used? Consider the question of whether or not it even needs to be a blockchain app...
25 Apr 2020 5 minute read 0 comments alexroan
ERC-721 tokens: What they are? How do they work? How can we use them? ERC-20 vs. ERC-721 At the height of the ICO bubble in 2017, ERC-20 tokens were everywhere. They were used as a form of crowdfunding by tech companies, with some claiming future use...
25 Apr 2020 5 minute read 14 comments alexroan
Use testnets and free web services to deploy Ethereum DApps for free Building a portfolio of decentralized applications (DApps) is the best way to show the world you’re a blockchain developer. You might think that maintaining a portfolio of public DA...
