What is an ERC-20 token? An ERC-20 token is a smart contract on Ethereum that implements the methods and events specified in the ERC-20 standard. It is designed to be used as a fungible token, meaning each instance (or unit) of a token has the same value as another instance of the same token. It … Read more
In this article, we continue exploring the functionality of Brownie, a smart contract development and testing framework for Solidity and Vyper. We created a simple smart contract in the previous tutorials and deployed it to the Ropsten testnet. Please check the following articles if you haven’t done so. Brownie – Smart Contracts in Python How … Read more
Creating a game of lottery where you need to generate a random number to pick a winner can be a simple task when you use the libraries of programming languages like Python or JavaScript. But in the case of Solidity, creating a secure random number is a very complex task. Due to the deterministic character … Read more
We know what a blockchain is and its wide applications. Blockchain is a distributed computing technology involving multiple nodes distributed across geographies. The problem is to ensure that each node gets the exact copy of the data. Hence, some protocol is needed to achieve this unison or consensus. This post tries to cover the need … Read more
In my previous article, we looked at how to set up Brownie, create a project with a simple smart contract, interact with it on a local blockchain and run a unit test. If you haven’t read it yet, please check the following link. Brownie – Smart Contracts in Python Now, we are ready to deploy … Read more
Can you believe 5 years ago 1 ETH was priced at $9.33 USD? ETH is now on the rise, priced at $4270.66 USD with growth showing 45,673.42%. But wait, are you still not sure what Ethereum is? Perhaps you’ve heard of it but only have a vague idea. Not to worry. I’ve compiled a list … Read more
This is an introductory article to Brownie, a smart contract development and testing framework for Solidity and Vyper, especially with Python developers in mind. We first start with the installation process and then create a project with a simple smart contract. We will look at how to interact with the smart contract on a local … Read more
This article will give you a quick overview of a Python library, Web3.py. By the end of this article, we will install it on our local computer and understand how to use the basic functionality, such as sending Ether, deploying a Smart Contract, and interacting with it in Python. What is Web3.py? Web3.py is a … Read more
Solidity does not offer a convenient built-in method to concatenate or compare the strings like other high-level programming languages such as java, Python, C or javascript, etc. the string type has just recently been introduced to the solidity language and it may take a while to improve further. However, the string concatenation is still possible … Read more
NFTs have taken the world by storm attracting the masses outside the hardcore crypto enthusiasts. What is all the fuss about anyway? Can’t you just right-click and save the artwork anyways? Investors, celebrities, artists, and collectors are flocking to this new marketplace. Despite it’s name, you’ll find tons of fun in the non-fungible token space. … Read more
MetaMask is an Ethereum wallet allowing you to interact with the Ethereum blockchain in a simple way. Once installed, users can send and receive ETH and ERC-20 tokens. In addition to this, MetaMask serves as an entry point for DeFi, dApps, and NFTs. What is MetaMask? Install MetaMask Head to the Chrome Web Store or … Read more
How do you prove authenticity and ownership of your digital assets? NFTs (non-fungible tokens) make it possibly for anyone to do so. Whether it is an image, video, audio, or physical assets, you can build your collection all thanks to the blockchain. The popularity has seen an exponential growth with brands and celebrities jumping into … Read more