53 Articles 0 Followers
14 May 2020 3 minute read 10 comments banano
The cryptocurrency BANANO is always good for surprise news and tech innovation, and it’s often underestimated since many think it’s ‘just another meme coin’. Key to its growing success is next-generation tech paired with crypto education, easy and in...
3 May 2020 6 minute read 0 comments lowededwookie
So I decided to give 1Password 7 a crack. I had felt no need to upgrade before then because it was doing what I wanted. But I kept reading that 1Password can handle 2FA codes. This intrigued me because currently I use Microsoft Authenticator. It work...
2 May 2020 9 minute read 3 comments alexroan
Version 3 of OpenZeppelin’s Smart Contracts library is out! In the latest release, they introduce a brand new method of controlling access to functions. What We Know Controlling access to certain functions is paramount to ensuring the security of sm...
1 May 2020 4 minute read 0 comments alexroan
A step-by-step guide on how to import external code into your smart contracts Where to Start Getting started in the world of smart contract development can be overwhelming. There is often a lot of assumed knowledge that’s not particularly well explai...
28 Apr 2020 2 minute read 0 comments alexroan
Tech debt can quickly build up when building out an application from scratch. Frameworks like React and Redux provide great patterns to structure code in a modular fashion. And we live in a perfect world, so that’s all we’ll ever need! Except, of cou...
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...
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...
